Tootfinder

A look at the autonomous truck industry's challenges, including a lack of federal regulation, as Aurora and Kodiak plan a major expansion in Texas this year (Trisha Thadani/Washington Post)
https://wapo.st/3xlJxje

Ready or not, self-driving semi-trucks are coming to America’s highways
As several self-driving truck companies gain momentum around the country, state and federal lawmakers are grappling with how to regulate the new technology.

Spectral properties of two-dimensional half-space semi-Dirac semi-metals
Tuyen Vu
https://arxiv.org/abs/2402.17610 https://arxiv.org/…

Spectral properties of two-dimensional half-space semi-Dirac semi-metals
The paper deals with the semi-Dirac operator in a half-space arising in the description of quasiparticles in quantum mechanics as well as in semi-metals materials and related structures. It completely shows the self-adjointness, computes the square and the spectrum of the operator. We also set up sufficient conditions for the existence of the point and discrete spectrum by including some appropriate potentials in the problem and study the spectral stability properties for perturbed operators.

The Camberville E-Bike Lending Library just crossed two years of bike loan-days since October 1st, with 4200 tracked miles on the odometers of the library bikes.
The first loan from the library was a year ago this month, but I didn't get serious about tracking loans until October. Since then, more than 144 different loans have happened... and more than 45 people bought e-bikes after borrowing one!

Semi-device independent characterization of multiphoton indistinguishability
Giovanni Rodari, Leonardo Novo, Riccardo Albiero, Alessia Suprano, Carlos T. Tavares, Eugenio Caruccio, Francesco Hoch, Taira Giordani, Gonzalo Carvacho, Marco Gardina, Niki Di Giano, Serena Di Giorgio, Giacomo Corrielli, Francesco Ceccarelli, Roberto Osellame, Nicol\`o Spagnolo, Ernesto F. Galv\~ao, Fabio Sciarrino

Semi-device independent characterization of multiphoton indistinguishability
Multiphoton indistinguishability is a central resource for quantum enhancement in sensing and computation. Developing and certifying large scale photonic devices requires reliable and accurate characterization of this resource, preferably using methods that are robust against experimental errors. Here, we propose a set of methods for the characterization of multiphoton indistinguishability, based on measurements of bunching and photon number variance. Our methods are robust in a semi-device ind…

This https://arxiv.org/abs/2404.12727 has been replaced.
initial toot: https://mastoxiv.page/@arXiv_mat…

Characterizations of open and semi-open maps of compact Hausdorff spaces by induced maps
Let $f\colon X\rightarrow Y$ be a continuous surjection of compact Hausdorff spaces. By $$f_*\colon\mathfrak{M}(X)\rightarrow\mathfrak{M}(Y),\ μ\mapsto μ\circ f^{-1} \quad{\rm and}\quad 2^f\colon2^X\rightarrow2^Y,\ A\mapsto f[A]$$ we denote the induced continuous surjections on the probability measure spaces and hyperspaces, respectively. In this paper we mainly show the following facts: (1) If $f_*$ is semi-open, then $f$ is semi-open. (2) If $f$ is semi-open densely open, then $f_*$ is …

New topological subsystem codes from semi-regular tessellations
Eduardo Brandani da Silva, Evandro Mazetto Brizola
https://arxiv.org/abs/2402.18814 https:/…

New topological subsystem codes from semi-regular tessellations
In this work, we present new constructions for topological subsystem codes using semi-regular Euclidean and hyperbolic tessellations. They give us new families of codes, and we also provide a new family of codes obtained through an already existing construction, due to Sarvepalli and Brown. We also prove new results that allow us to obtain the parameters of these new codes.

This https://arxiv.org/abs/2404.17113 has been replaced.
initial toot: https://mastoxiv.page/@arXiv_csLG_…

MER 2024: Semi-Supervised Learning, Noise Robustness, and Open-Vocabulary Multimodal Emotion Recognition
Multimodal emotion recognition is an important research topic in artificial intelligence. Over the past few decades, researchers have made remarkable progress by increasing dataset size and building more effective architectures. However, due to various reasons (such as complex environments and inaccurate labels), current systems still cannot meet the demands of practical applications. Therefore, we plan to organize a series of challenges around emotion recognition to further promote the develop…

Well-posedness and convergence of entropic approximation of semi-geostrophic equations
Guillaume Carlier, Hugo Malamut
https://arxiv.org/abs/2404.17387 htt…

Well-posedness and convergence of entropic approximation of semi-geostrophic equations
We prove existence and uniqueness of solutions for an entropic version of the semi-geostrophic equations. We also establish convergence to a weak solution of the semi-geostrophic equations as the entropic parameter vanishes. Convergence is also proved for discretizations that can be computed numerically in practice as shown recently in [6].

Semi-parametric goodness-of-fit testing for INAR models
Maxime Faymonville, Carsten Jentsch, Christian H. Wei{\ss}
https://arxiv.org/abs/2402.17425 https:/…

Semi-parametric goodness-of-fit testing for INAR models
Among the various models designed for dependent count data, integer-valued autoregressive (INAR) processes enjoy great popularity. Typically, statistical inference for INAR models uses asymptotic theory that relies on rather stringent (parametric) assumptions on the innovations such as Poisson or negative binomial distributions. In this paper, we present a novel semi-parametric goodness-of-fit test tailored for the INAR model class. Relying on the INAR-specific shape of the joint probability ge…

This https://arxiv.org/abs/2309.04846 has been replaced.
initial toot: https://mastoxiv.page/@arXiv_mat…

Non-commutative Optimal Transport for semi-definite positive matrices
We introduce the von Neumann entropy regularization of Unbalanced Non-commutative Optimal Transport, specifically Non-commutative Optimal Transport between semi-definite positive matrices (not necessarily with trace one). We prove the existence of a minimizer, compute the weak dual formulation and prove $Γ$-convergence results, demonstrating convergence to both Unbalanced Non-commutative Optimal Transport (as the Entropy-regularization parameter tends to zero) and von Neumann entropy regulariz…

i am semi-bingeing “constellation” on appleTV and it makes me feel so uneasy (i’m enjoying it, it just leaves me feeling unsettled lol)

This https://arxiv.org/abs/2302.11030 has been replaced.
initial toot: https://mastoxiv.page/@arXiv_mat…

Log $p$-divisible groups and semi-stable representations
Let $\mathscr{O}_K$ be a henselian DVR with field of fractions $K$ and residue field of characteristic $p>0$. Let $S$ denote $\mathop{\mathrm{Spec}} \mathscr{O}_K$ endowed with the canonical log structure. We show that the generic fiber functor $\mathbf{BT}_{S, {\mathrm{d}}}^{\log}\to \mathbf{BT}^{\mathrm{st}}_K$ between the category of dual representable log $p$-divisible groups over $S$ and the category of $p$-divisible groups with semistable reduction over $K$ is an equivalence. If $\mathscr…

Sanjay Puri Architects has completed a spiral community center.
"Taking a cue from traditional Indian courtyards and sand dunes simultaneously, the built space swirls from the ground level to a nine-metre height, creating a semi-sheltered open amphitheatre & allowing the roof to be accessible as a garden space,"
#architecture

The way you feel depends a lot on the way people treat you.
If you get love and respect you feel quite different
than if you're constantly told you're a semi-deranged idiot because your brain is incapable of rational thought.
#StopTreatingTeensLikeDirt

Optimization of foreground moment deprojection for semi-blind CMB polarization reconstruction
Alessandro Carones, Mathieu Remazeilles
https://arxiv.org/abs/2402.17579

Optimization of foreground moment deprojection for semi-blind CMB polarization reconstruction
Upcoming Cosmic Microwave Background (CMB) experiments, aimed at measuring primordial CMB B-modes, require exquisite control of Galactic foreground contamination. Minimum-variance techniques, like the Needlet Internal Linear Combination (NILC), have proven effective in reconstructing the CMB polarization signal and mitigating foregrounds across diverse sky models without suffering from mismodelling errors. Still, residual contamination may bias the recovered CMB polarization at large angular sc…

Semi-infinite simple exclusion process: from current fluctuations to target survival
Aur\'elien Grabsch, Hiroki Moriya, Kirone Mallick, Tomohiro Sasamoto, Olivier B\'enichou
https://arxiv.org/abs/2404.18481

Semi-infinite simple exclusion process: from current fluctuations to target survival
The symmetric simple exclusion process (SEP), where diffusive particles cannot overtake each other, is a paradigmatic model of transport in the single-file geometry. In this model, the study of currents has attracted a lot of attention, but so far most results are restricted to two geometries: (i) a finite system between two reservoirs, which does not conserve the number of particles but reaches a nonequilibrium steady state, and (ii) an infinite system which conserves the number of particles b…

Partial absence of cosine problem in 3d Lorentzian spin foams
Alexander F. Jercher, Jos\'e Diogo Sim\~ao, Sebastian Steinhaus
https://arxiv.org/abs/2404.16943

Partial absence of cosine problem in 3d Lorentzian spin foams
We study the semi-classical limit of the recently proposed coherent spin foam model for (2+1) Lorentzian quantum gravity. Specifically, we analyze the gluing equations derived from the stationary phase approximation of the vertex amplitude. Typically these exhibit two solutions yielding a cosine of the Regge action. However, by inspection of the algebraic equations as well as their geometrical realization, we show in this note that the behavior is more nuanced: when all triangles are either spa…

This https://arxiv.org/abs/2205.11677 has been replaced.
link: https://scholar.google.com/scholar?q=a

Semi-Supervised Clustering of Sparse Graphs: Crossing the Information-Theoretic Threshold
The stochastic block model is a canonical random graph model for clustering and community detection on network-structured data. Decades of extensive study on the problem have established many profound results, among which the phase transition at the Kesten-Stigum threshold is particularly interesting both from a mathematical and an applied standpoint. It states that no estimator based on the network topology can perform substantially better than chance on sparse graphs if the model parameter is…

Display in the Air: Balancing Distraction and Workload in AR Glasses Interfaces for Driving Navigation
Xiangyang He, Keyuan Zhou
https://arxiv.org/abs/2404.18357 https://arxiv.org/pdf/2404.18357
arXiv:2404.18357v1 Announce Type: new
Abstract: Augmented Reality (AR) navigation via Head-Mounted Displays (HMDs), particularly AR glasses, is revolutionizing the driving experience by integrating real-time routing information into the driver's field of view. Despite the potential of AR glasses, the question of how to display navigation information on the interface of these devices remains a valuable yet relatively unexplored research area. This study employs a mixed-method approach involving 32 participants, combining qualitative feedback from semi-structured interviews with quantitative data from usability questionnaires in both simulated and real-world scenarios. Highlighting the necessity of real-world testing, the research evaluates the impact of five icon placements on the efficiency and effectiveness of information perception in both environments. The experiment results indicate a preference for non-central icon placements, especially bottom-center in real world, which mostly balances distraction and workload for the driver. Moreover, these findings contribute to the formulation of four specific design implications for augmented reality interfaces and systems. This research advances the understanding of AR glasses in driving assistance and sets the stage for further developments in this emerging technology field.

Who were the Ukrainian Cossacks?: https://benborges.xyz/2024/03/28/who-were-the.html

This https://arxiv.org/abs/2308.09375 has been replaced.
initial toot: https://mastoxiv.page/@arXiv_ees…

Image Processing and Machine Learning for Hyperspectral Unmixing: An Overview and the HySUPP Python Package
Spectral pixels are often a mixture of the pure spectra of the materials, called endmembers, due to the low spatial resolution of hyperspectral sensors, double scattering, and intimate mixtures of materials in the scenes. Unmixing estimates the fractional abundances of the endmembers within the pixel. Depending on the prior knowledge of endmembers, linear unmixing can be divided into three main groups: supervised, semi-supervised, and unsupervised (blind) linear unmixing. Advances in Image pr…

A characterisation of semigroups with only countably many subdirect products with $\mathbb{Z}$
Ashley Clayton, Catherine Reilly, Nik Ru\v{s}kuc
https://arxiv.org/abs/2404.18122

A characterisation of semigroups with only countably many subdirect products with $\mathbb{Z}$
Let $\mathbb{Z}$ be the additive (semi)group of integers. We prove that for a finite semigroup $S$ the direct product $\mathbb{Z}\times S$ contains only countably many subdirect products (up to isomorphism) if and only if $S$ is regular. As a corollary we show that $\mathbb{Z}\times S$ has only countably many subsemigroups (up to isomorphism) if and only if $S$ is completely regular.

It’s every time, here.
From: @…
https://social.kiesow.net/@dkiesow/112180707160383842

This https://arxiv.org/abs/2308.14857 has been replaced.
initial toot: https://mastoxiv.page/@arXiv_hepp…

First simultaneous global QCD analysis of dihadron fragmentation functions and transversity parton distribution functions
We perform a comprehensive study within quantum chromodynamics (QCD) of dihadron observables in electron-positron annihilation, semi-inclusive deep-inelastic scattering, and proton-proton collisions, including recent cross section data from Belle and azimuthal asymmetries from STAR. We extract simultaneously for the first time $π^+π^-$ dihadron fragmentation functions (DiFFs) and the nucleon transversity distributions for up and down quarks as well as antiquarks. For the transversity distribu…

This https://arxiv.org/abs/2301.09002 has been replaced.
initial toot: https://mastoxiv.page/@arXiv_mat…

The Gysin braid for $S^3$-actions on manifolds
Given a smooth action of the sphere $\mathbb S^3$ on a manifold $M$, we have previously constructed a Gysin sequence relating the cohomology of the manifold $M$ and that of the orbit space $M/\mathbb S^3$. This sequence involves an exotic term depending on the subset $M^{\mathbb S^1}$. Notice that the orbit space is a stratified pseudomanifold, a kind of singular spaces where intersection cohomology applies. In the case where the the action is semi-free, the first author has already construct…

When I ordered our wall-print, I also ordered an A4 sized print of the photo on High Quality paper (Hahnemühle Baryta).
And I must admit: I'm really amazed! Nice, thick paper, some structure. semi glossy. It really feels like quality. Oh and it's my wife's favourite photo. I'll try to post one or two more later. Maybe I can show more of it.
The photo was taken in #Ireland

Decremental $(1 \epsilon)$-Approximate Maximum Eigenvector: Dynamic Power Method
Deeksha Adil, Thatchaphol Saranurak
https://arxiv.org/abs/2402.17929 https…

Decremental $(1+ε)$-Approximate Maximum Eigenvector: Dynamic Power Method
We present a dynamic algorithm for maintaining $(1+ε)$-approximate maximum eigenvector and eigenvalue of a positive semi-definite matrix $A$ undergoing \emph{decreasing} updates, i.e., updates which may only decrease eigenvalues. Given a vector $v$ updating $A\gets A-vv^{\top}$, our algorithm takes $\tilde{O}(\mathrm{nnz}(v))$ amortized update time, i.e., polylogarithmic per non-zeros in the update vector. Our technique is based on a novel analysis of the influential power method in the dyna…

This https://arxiv.org/abs/2302.14779 has been replaced.
initial toot: https://mastoxiv.page/@arXiv_mat…

Twisted Drinfeld Centers and Framed String-Nets
We discuss a string-net construction on 2-framed surfaces, taking as algebraic input a finite, rigid tensor category, which is neither assumed to be pivotal nor semi-simple. It is shown that circle categories of our framed string-net construction essentially compute Drinfeld centers twisted by powers of the double dual functor.

Daily pic of Brisbane
Rowing club 8s practice at dusk on the Brisbane River.

If you’re interested in a semi-non-serious live post of the #SCOTUS hearing on content moderation and you’re over on BlueSky, Rahaeli is doing a great heckling listen:
https://bsky.app/profile/rahael…

This https://arxiv.org/abs/2403.10063 has been replaced.
initial toot: https://mastoxiv.page/@arXiv_csLG_…

Unified Projection-Free Algorithms for Adversarial DR-Submodular Optimization
This paper introduces unified projection-free Frank-Wolfe type algorithms for adversarial continuous DR-submodular optimization, spanning scenarios such as full information and (semi-)bandit feedback, monotone and non-monotone functions, different constraints, and types of stochastic queries. For every problem considered in the non-monotone setting, the proposed algorithms are either the first with proven sub-linear $α$-regret bounds or have better $α$-regret bounds than the state of the art,…

Finite volume simulation of a semi-linear Neumann problem (Keller-Segel model) on rectangular domains
Nardjess Benoudina, Fatima Zohra Boutaf, Nasserdine Kechkar
https://arxiv.org/abs/2404.17145

Finite volume simulation of a semi-linear Neumann problem (Keller-Segel model) on rectangular domains
In this study, the finite volume method is implemented for solving the problem of the semilinear equation: $-d δu+ u=u^q (d, q>0) $with a homogeneous Neumann boundary condition. This problem is equivalent to the known stationary Keller-Segel model, which arises in chemotaxis.After discretization, a nonlinear algebraic system is obtained and solved on the platform Matlab. As a result, many single peaked and multi-peaked shapes in 3D and contour plots can be drawn depending on the parameters d a…

This https://arxiv.org/abs/2201.12612 has been replaced.
link: https://scholar.google.com/scholar?q=a

On Non-Cooperative Perfect Information Semi-Markov Games
We show that an N-person non-cooperative semi-Markov game under limiting ratio average pay-off has a pure semi-stationary Nash equilibrium. In an earlier paper, the zero-sum two person case has been dealt with. The proof follows by reducing such perfect information games to an associated semi-Markov decision process (SMDP) and then using existence results from the theory of SMDP. Exploiting this reduction procedure, one gets simple proofs of the following: (a) zero-sum two person perfect inform…

Self-supervised contrastive learning of radio data for source detection, classification and peculiar object discovery
S. Riggi, T. Cecconello, S. Palazzo, A. M. Hopkins, N. Gupta, C. Bordiu, A. Ingallinera, C. Buemi, F. Bufano, F. Cavallaro, M. D. Filipovi\'c, P. Leto, S. Loru, A. C. Ruggeri, C. Trigilio, G. Umana, F. Vitello
https://

Self-supervised contrastive learning of radio data for source detection, classification and peculiar object discovery
New advancements in radio data post-processing are underway within the SKA precursor community, aiming to facilitate the extraction of scientific results from survey images through a semi-automated approach. Several of these developments leverage deep learning (DL) methodologies for diverse tasks, including source detection, object or morphology classification, and anomaly detection. Despite substantial progress, the full potential of these methods often remains untapped due to challenges assoc…

A Semi-Automatic Approach to Create Large Gender- and Age-Balanced Speaker Corpora: Usefulness of Speaker Diarization & Identification
R\'emi Uro, David Doukhan, Albert Rilliard, La\"etitia Larcher, Anissa-Claire Adgharouamane, Marie Tahon, Antoine Laurent
https://arxiv.org/abs/2404.17552

A Semi-Automatic Approach to Create Large Gender- and Age-Balanced Speaker Corpora: Usefulness of Speaker Diarization & Identification
This paper presents a semi-automatic approach to create a diachronic corpus of voices balanced for speaker's age, gender, and recording period, according to 32 categories (2 genders, 4 age ranges and 4 recording periods). Corpora were selected at French National Institute of Audiovisual (INA) to obtain at least 30 speakers per category (a total of 960 speakers; only 874 have be found yet). For each speaker, speech excerpts were extracted from audiovisual documents using an automatic pipeline co…

Integrable semi-discretization for a modified Camassa-Holm equation with cubic nonlinearity
Bao-Feng Feng, Heng-Chun Hu, Han-Han Sheng, Wei Yin, Guo-Fu Yu
https://arxiv.org/abs/2404.18372

Integrable semi-discretization for a modified Camassa-Holm equation with cubic nonlinearity
In the present paper, an integrable semi-discretization of the modified Camassa-Holm (mCH) equation with cubic nonlinearity is presented. The key points of the construction are based on the discrete Kadomtsev-Petviashvili (KP) equation and appropriate definition of discrete reciprocal transformations. First, we demonstrate that these bilinear equations and their determinant solutions can be derived from the discrete KP equation through Miwa transformation and some reductions. Then, by scrutiniz…

Imagine being a time metereologist and part of a task force that has to decide if and when we need a negative leap second to align our timekeeping with the Earth's rotation. A decision that could cause many critical computer systems to malfunction.

And then, because of the magnitude of that decision, being semi-relieved that the decision can be delayed by approximately 3 years because… wait for it.… the melting polar ice is slowing down the planet's rotation as it is moving mas…

Semi-parametric goodness-of-fit testing for INAR models
Maxime Faymonville, Carsten Jentsch, Christian H. Wei{\ss}
https://arxiv.org/abs/2402.17425 https:/…

Semi-parametric goodness-of-fit testing for INAR models
Among the various models designed for dependent count data, integer-valued autoregressive (INAR) processes enjoy great popularity. Typically, statistical inference for INAR models uses asymptotic theory that relies on rather stringent (parametric) assumptions on the innovations such as Poisson or negative binomial distributions. In this paper, we present a novel semi-parametric goodness-of-fit test tailored for the INAR model class. Relying on the INAR-specific shape of the joint probability ge…

This https://arxiv.org/abs/2401.07278 has been replaced.
link: https://scholar.google.com/scholar?q=a

Semi-Supervised Semantic Segmentation using Redesigned Self-Training for White Blood Cells
Artificial Intelligence (AI) in healthcare, especially in white blood cell cancer diagnosis, is hindered by two primary challenges: the lack of large-scale labeled datasets for white blood cell (WBC) segmentation and outdated segmentation methods. These challenges inhibit the development of more accurate and modern techniques to diagnose cancer relating to white blood cells. To address the first challenge, a semi-supervised learning framework should be devised to efficiently capitalize on the s…

Refined distributional limit theorems for compound sums
Vsevolod K. Malinovskii
https://arxiv.org/abs/2404.17155 https://arxiv.org/pd…

Refined distributional limit theorems for compound sums
The paper is a sketch of systematic presentation of distributional limit theorems and their refinements for compound sums. When analyzing, e.g., ergodic semi-Markov systems with discrete or continuous time, this allows us to separate those aspects that lie within the theory of random processes from those that relate to the classical summation theory. All these limit theorems are united by a common approach to their proof, based on the total probability rule, auxiliary multidimensional limit the…

i am semi-bingeing “constellation” on appleTV and it makes me feel so uneasy (i’m enjoying it, it just leaves me feeling unsettled lol)

Studying The Effect of Radiation Pressure on Evolution of a Population III Stellar Cluster
Sukalpa Kundu, Jayanta Dutta
https://arxiv.org/abs/2402.18197 ht…

Studying The Effect of Radiation Pressure on Evolution of a Population III Stellar Cluster
Recent numerical simulations have shown that the unstable disk within the central regime of the primordial gas cloud fragments to form multiple protostars on several scales. Their evolution depends on the mass accretion phenomenon, interaction with the surrounding medium and radiative feedback respectively. In this work, we use a fast semi-analytical framework in order to model multiple protostars within a rotating cloud, where the mass accretion is estimated via a Bondi-Hoyle flow and the feed…

I had to take a few weeks off the #ScheduleA beat for personal reasons. Now that I'm back, the backlog is....daunting.
It's so hard to keep track of even a tiny slice of this phenomenon (I've been focusing mainly on DP cases just to keep it semi-manageable).
But I keep telling myself: If no one even tries, nothing will improve.
Anyway, if I missed anything good,…

This https://arxiv.org/abs/2208.01989 has been replaced.
link: https://scholar.google.com/scholar?q=a

Thermodynamic Formalism on the Skorokhod space: the continuous time Ruelle operator, entropy, pressure, entropy production and expansiveness
Consider the semi-flow given by the continuous time shift $Θ_t:\mathcal{D} \to \mathcal{D} $, $t \geq 0$, acting on the $\mathcal{D} $ of \textit{càdlàg} paths $w: [0,\infty) \to S^1$, where $S^1$ is the unitary circle. We equip the space $\mathcal{D} $ with the Skorokhod metric, and we show that the semi-flow is expanding. We also introduce a stochastic semi-group $e^{t\, L}$, $t \geq 0,$ where $L$ acts linearly on continuous functions $f:S^1\to\mathbb{R}$. This stochastic semigroup and a…

Cell Electropermeabilization Modeling via Multiple Traces Formulation and Time Semi-Implicit Coupling
Isabel A. Mart\'inez \'Avila, Carlos Jerez-Hanckes, Irina Pettersson
https://arxiv.org/abs/2403.19371

Cell Electropermeabilization Modeling via Multiple Traces Formulation and Time Semi-Implicit Coupling
We simulate the electrical response of multiple disjoint biological 3D cells in the electropermeabilization process. Instead of solving the boundary value problem in the volume, we reduce it to a system of boundary integrals equations with nonlinear dynamics on the cell membranes via a coupling the local Multiple Traces Formulation with a time semi-implicit scheme. Spatially, boundary unknowns are approximated by spherical harmonics, thereby allowing for spectral convergence rates for suitable …

On formal non-commutative deformations of smooth varieties
Yujiro Kawamata
https://arxiv.org/abs/2402.15685 https://arxiv.org/pdf/240…

On formal non-commutative deformations of smooth varieties
We will develop a formal non-commutative (NC) deformation theory of smooth algebraic varieties $X$ defined over a field $k$, and describe a semi-universal deformation where the tangent space $T^1$ and the obstruction space $T^2$ are given as subspaces of Hochschild cohomology groups.

This https://arxiv.org/abs/2402.07852 has been replaced.
initial toot: https://mastoxiv.page/@arXiv_csCR_…

The Complexity of Algebraic Algorithms for LWE
Arora & Ge introduced a noise-free polynomial system to compute the secret of a Learning With Errors (LWE) instance via linearization. Albrecht et al. later utilized the Arora-Ge polynomial model to study the complexity of Gröbner basis computations on LWE polynomial systems under the assumption of semi-regularity. In this paper we revisit the Arora-Ge polynomial and prove that it satisfies a genericity condition recently introduced by Caminata & Gorla, called being in generic coordinates. For…

Don't forget, #AllThingsTech has our own Discord server for those that are looking to hang out and chat outside of Mastodon.
We feel that there are often times that longer, more in-depth conversations are wanted/needed and Discord is a great place to have those conversations.
It's a great place to give us feedback about our server to help make it a better place.…

An optimization based limiter for enforcing positivity in a semi-implicit discontinuous Galerkin scheme for compressible Navier-Stokes equations
Chen Liu, Xiangxiong Zhang
https://arxiv.org/abs/2402.15645

An optimization based limiter for enforcing positivity in a semi-implicit discontinuous Galerkin scheme for compressible Navier-Stokes equations
We consider an optimization based limiter for enforcing positivity of internal energy in a semi-implicit scheme for solving gas dynamics equations. With Strang splitting, the compressible Navier-Stokes system is splitted into the compressible Euler equations, solved by the positivity-preserving Runge-Kutta discontinuous Galerkin (DG) method, and the parabolic subproblem, solved by Crank-Nicolson method with interior penalty DG method. Such a scheme is at most second order accurate in time, high…

A diving heuristic for mixed-integer problems with unbounded semi-continuous variables
Katrin Halbig, Alexander Hoen, Ambros Gleixner, Jakob Witzig, Dieter Weninger
https://arxiv.org/abs/2403.19411

A diving heuristic for mixed-integer problems with unbounded semi-continuous variables
Semi-continuous decision variables arise naturally in many real-world applications. They are defined to take either value zero or any value within a specified range, and occur mainly to prevent small nonzero values in the solution. One particular challenge that can come with semi-continuous variables in practical models is that their upper bound may be large or even infinite. In this article, we briefly discuss these challenges, and present a new diving heuristic tailored for mixed-integer opti…

This https://arxiv.org/abs/2309.05051 has been replaced.
initial toot: https://mastoxiv.page/@arX…

Cavity-Magnon-Polariton spectroscopy of strongly hybridized electro-nuclear spin excitations in LiHoF4
We first present a formalism that incorporates the input-output formalism and the linear response theory to employ cavity-magnon-polariton coupling as a spectroscopic tool for investigating strongly hybridized electro-nuclear spin excitations. A microscopic relation between the generalized susceptibility and the scattering parameter |S11| in strongly hybridized cavity-magnon-polariton systems has been derived without resorting to semi-classical approximations. The formalism is then ap…

This https://arxiv.org/abs/2310.09940 has been replaced.
initial toot: https://mastoxiv.page/@arXiv_ees…

Semi-Supervised End-to-End Learning for Integrated Sensing and Communications
Integrated sensing and communications (ISAC) is envisioned as one of the key enablers of next-generation wireless systems, offering improved hardware, spectral, and energy efficiencies. In this paper, we consider an ISAC transceiver with an impaired uniform linear array that performs single-target detection and position estimation, and multiple-input single-output communications. A differentiable model-based learning approach is considered, which optimizes both the transmitter and the sensing r…

A finitely presented group with transcendental spectral radius
Corentin Bodart
https://arxiv.org/abs/2404.17840 https://arxiv.org/pdf…

A finitely presented group with transcendental spectral radius
In this short note, we prove the existence of a finitely presented group with transcendental spectral radius. The proof relies on links between decidability of the Word Problem and semi-computability of the spectral radius.

A Universal Method for Solar Filament Detection from H-alpha Observations using Semi-supervised Deep Learning
Andrea Diercke, Robert Jarolim, Christoph Kuckein, Sergio J. Gonz\'alez Manrique, Marco Ziener, Astrid M. Veronig, Carsten Denker, Werner P\"otzi, Tatiana Podladchikova, Alexei A. Pevtsov
https://arxiv.org/abs/2…

A Universal Method for Solar Filament Detection from H-alpha Observations using Semi-supervised Deep Learning
Filaments are omnipresent features in the solar atmosphere. Their location, properties and time evolution can provide information about changes in solar activity and assist the operational space weather forecast. Therefore, filaments have to be identified in full disk images and their properties extracted from these images. Manual extraction is tedious and takes much time; extraction with morphological image processing tools produces a large number of false-positive detections. Automatic object…

This https://arxiv.org/abs/2306.12998 has been replaced.
initial toot: https://mastoxiv.page/@arXiv_hepp…

Transversity distributions and tensor charges of the nucleon: extraction from dihadron production and their universal nature
We perform the first global quantum chromodynamics (QCD) analysis of dihadron production for a comprehensive set of data in electron-positron annihilation, semi-inclusive deep-inelastic scattering, and proton-proton collisions, from which we extract simultaneously the transversity distributions of the nucleon and $π^+π^-$ dihadron fragmentation functions. We incorporate in our fits known theoretical constraints on transversity, namely, its small-$x$ asymptotic behavior and the Soffer bound. W…

A semi-analytical model for the propagation of a structured jet in a magnetized medium
Leonardo Garcia-Garcia, Diego Lopez-Camara, Davide Lazzati
https://arxiv.org/abs/2403.17086 …

A semi-analytical model for the propagation of a structured jet in a magnetized medium
This study presents a semi-analytical model that models the effects that a static magnetized medium with a tangled field produces in relativistic collimated jets. The model is a first approximation that addresses the magnetic field present in the medium and is based on pressure equilibrium principles between the jet, cocoon, and external medium. A fraction of the ambient medium field is allowed to be entrained in the cocoon. We find that the jet and cocoon properties are affected at high magnet…

No, I do not know why some people refuse to recognize a moral responsibility to do whatever they reasonably can to make sure a lesser evil defeats the greater one, when that is all one can practically do.
Even just voting for a semi-recovered corporatist who comes down wrong on multiple issues but mostly isn't a Fascist. Because If he loses, the only realistic alternative is a blatant Fascist worse on everything.
(No CW: definitely broader than

Another semi quiet night. Finishing up 34 mini oatmeal bran muffins for the wife. She likes them when I make her lunches. Later I do two small fruit bowls for next two days. In the morning I ask what type of sandwich she wants for lunch. I know exactly what she has and not added sugars, lots of fiber and natural flavours. Her job in the morning (@ 05:15) is to grind coffee beans & brew a fresh pot of coffee ready for me @ 05:30.

Little devils, they are...
#cats #Caturday

Semi-on-Demand Hybrid Transit Route Design with Shared Autonomous Mobility Services
Max T. M. Ng, Florian Dandl, Hani S. Mahmassani, Klaus Bogenberger
https://arxiv.org/abs/2403.15804

Semi-on-Demand Hybrid Transit Route Design with Shared Autonomous Mobility Services
This study examines the route design of a semi-on-demand hybrid route directional service in the public transit network, offering on-demand flexible route service in low-density areas and fixed route service in higher-density areas with Shared Autonomous Mobility Service (SAMS). The study develops analytically tractable cost expressions that capture access, waiting, and riding costs for users, and distance-based operating and time-based vehicle costs for operators. Two formulations are presente…

Semi-Substructural Logics with Additives
Niccol\`o Veltri (Tallinn University of Technology), Cheng-Syuan Wan (Tallinn University of Technology)
https://arxiv.org/abs/2404.14922 <…

Semi-Substructural Logics with Additives
This work concerns the proof theory of (left) skew monoidal categories and their variants (e.g. closed monoidal, symmetric monoidal), continuing the line of work initiated in recent years by Uustalu et al. Skew monoidal categories are a weak version of Mac Lane's monoidal categories, where the structural laws are not required to be invertible, they are merely natural transformations with a specific orientation. Sequent calculi which can be modelled in such categories can be identified as deduc…

CSS-Tricks might be back?
This first post in nearly a year is authored by a Digital Ocean dev advocate:
“Accessible Forms with Pseudo Classes”
https://css-tricks.com/accessible-forms-with-pseudo-classes/#comment-1808192
Yes, …

Accessible Forms with Pseudo Classes | CSS-Tricks
Hey all you wonderful developers out there! In this post, I am going to take you through creating a simple contact form using semantic HTML and an awesome CSS

It’s warm and sunny here in Copenhagen! Have to roll up my semi-winter coat and put it in the Freitag bag. A bit surprisingly, it turned out to be essential during this April.

A hybrid approach to semi-automated Rust verification
Sacha-\'Elie Ayoun, Xavier Denis, Petar Maksimovi\'c, Philippa Gardner
https://arxiv.org/abs/2403.15122

A hybrid approach to semi-automated Rust verification
While recent years have been witness to a large body of work on efficient and automated verification of safe Rust code, enabled by the rich guarantees of the Rust type system, much less progress has been made on reasoning about unsafe code due to its unique complexities. We propose a hybrid approach to end-to-end Rust verification in which powerful automated verification of safe Rust is combined with targeted semi-automated verification of unsafe~Rust. To this end, we present Gillian-Rust, a pr…

forbidden sex toy (it's a device to semi-automatically tie rebar together)

Time-efficient filtering of polarimetric data by checking physical realizability of experimental Mueller matrices
Tatiana Novikova, Alexey Ovchinnikov, Gleb Pogudin, Jessica C. Ramella-Roman
https://arxiv.org/abs/2402.18555

Time-efficient filtering of polarimetric data by checking physical realizability of experimental Mueller matrices
Imaging Mueller polarimetry has already proved its potential for metrology, remote sensing and biomedicine. The real-time applications of this modality require both video rate image acquisition and fast data post-processing algorithms. First, one must check the physical realizability of the experimental Mueller matrices in order to filter out non-physical data, i.e. to test the positive semi-definiteness of the 4x4 Hermitian coherency matrix calculated from the elements of the corresponding Mue…

the number of monitor earpieces getting removed by the performers during national (semi-)final performances is quite high #eurovision

This https://arxiv.org/abs/2404.05635 has been replaced.
initial toot: https://mastoxiv.page/@arXiv_mat…

Semi-Infinite Programs for Robust Control and Optimization: Efficient Solutions and Extensions to Existence Constraints
Discrete-time robust optimal control problems generally take a min-max structure over continuous variable spaces, which can be difficult to solve in practice. In this paper, we extend the class of such problems that can be solved through a previously proposed local reduction method to consider those with existence constraints on the uncountable variables. We also consider the possibility of non-unique trajectories that satisfy equality and inequality constraints. Crucially, we show that the pro…

This https://arxiv.org/abs/2306.13523 has been replaced.
initial toot: https://mastoxiv.page/@arXiv_mat…

Weak error expansion of a stopped numerical scheme for singular Langevin process
We show expansion \textit{à la Talay-Tubaro} of a stopped numerical scheme for the Langevin process in the case of a singular potential. In order to achieve this, we provide estimates on the associated semi-group of the process. The class of admissible potentials includes the Lennard-Jones interaction with confinement, which is an important potential in molecular dynamics and served as the primary motivation for this study.

FORECASTOR -- II. Simulating Galaxy Surveys with the Cosmological Advanced Survey Telescope for Optical and UV Research
Madeline A. Marshall, Laurie Amen, Tyrone E. Woods, Patrick J. Cote, L. Y. Aaron Yung, Melissa Amenouche, Emily K. Pass, Michael Balogh, Samir Salim, Thibaud Moutard
https://arxiv.org/abs/2402.17163

FORECASTOR -- II. Simulating Galaxy Surveys with the Cosmological Advanced Survey Telescope for Optical and UV Research
The Cosmological Advanced Survey Telescope for Optical and UV Research (CASTOR) is a planned flagship space telescope, covering the blue-optical and UV part of the spectrum. Here we introduce the CASTOR image simulator, a Python GalSim package-based script capable of generating mock CASTOR images from an input catalogue. We generate example images from the CASTOR Wide, Deep, and Ultra-Deep surveys using simulated light-cones from the Santa Cruz Semi-Analytic Model. We make predictions for the p…

This https://arxiv.org/abs/2311.17835 has been replaced.
initial toot: https://mastoxiv.page/@arXiv_mat…

A semigroup with linearithmic Dehn function
It is known that there is no finitely presented group for which the Dehn function lies asymptotically strictly between linear and quadratic functions. This work presents an example of a semigroup that has Dehn function equivalent to $n \log n$, thus it lies strictly inside the said gap. The example is obtained by symmetrizing the rewriting rules of a particular semi-Thue system, which has the derivational complexity function $n \log n$. We also show that such connection is not universal by prov…

i am semi-ready for #MondayActionMovie

This https://arxiv.org/abs/2404.11003 has been replaced.
initial toot: https://mastoxiv.page/@arXiv_csCV_…

InfoMatch: Entropy Neural Estimation for Semi-Supervised Image Classification
Semi-supervised image classification, leveraging pseudo supervision and consistency regularization, has demonstrated remarkable success. However, the ongoing challenge lies in fully exploiting the potential of unlabeled data. To address this, we employ information entropy neural estimation to harness the potential of unlabeled samples. Inspired by contrastive learning, the entropy is estimated by maximizing a lower bound on mutual information across different augmented views. Moreover, we theor…

This https://arxiv.org/abs/2402.14503 has been replaced.
initial toot: https://mastoxiv.page/@arXiv_csHC_…

Understanding Human-AI Collaboration in Music Therapy Through Co-Design with Therapists
The rapid development of musical AI technologies has expanded the creative potential of various musical activities, ranging from music style transformation to music generation. However, little research has investigated how musical AIs can support music therapists, who urgently need new technology support. This study used a mixed method, including semi-structured interviews and a participatory design approach. By collaborating with music therapists, we explored design opportunities for musical A…

An optimization based limiter for enforcing positivity in a semi-implicit discontinuous Galerkin scheme for compressible Navier-Stokes equations
Chen Liu, Xiangxiong Zhang
https://arxiv.org/abs/2402.15645

An optimization based limiter for enforcing positivity in a semi-implicit discontinuous Galerkin scheme for compressible Navier-Stokes equations
We consider an optimization based limiter for enforcing positivity of internal energy in a semi-implicit scheme for solving gas dynamics equations. With Strang splitting, the compressible Navier-Stokes system is splitted into the compressible Euler equations, solved by the positivity-preserving Runge-Kutta discontinuous Galerkin (DG) method, and the parabolic subproblem, solved by Crank-Nicolson method with interior penalty DG method. Such a scheme is at most second order accurate in time, high…

This https://arxiv.org/abs/2403.17767 has been replaced.
initial toot: https://mastoxiv.page/@arXiv_sta…

Asymptotic Bayes risk of semi-supervised learning with uncertain labeling
This article considers a semi-supervised classification setting on a Gaussian mixture model, where the data is not labeled strictly as usual, but instead with uncertain labels. Our main aim is to compute the Bayes risk for this model. We compare the behavior of the Bayes risk and the best known algorithm for this model. This comparison eventually gives new insights over the algorithm.

This https://arxiv.org/abs/2401.00339 has been replaced.
initial toot: https://mastoxiv.page/@arXiv_grqc_…

Cylindrical Gravitational Waves in Einstein-Aether Theory
Along the lines of the Einstein-Rosen wave equation of General Relativity (GR), we derive a gravitational wave equation with cylindrical symmetry in the Einstein-aether (EA) theory. We show that the gravitational wave in the EA is periodic in time for both the metric functions $Ψ(r,t)$ and $H(r,t)$. However, in GR, $Ψ(r,t)$ is periodic in time, but $H(r,t)$ is semi-periodic in time, having a secular drifting in the wave frequency. The evolution of wave pulses of a given width is entirely diff…

This https://arxiv.org/abs/2311.10265 has been replaced.
initial toot: https://mastoxiv.page/@arXiv_mat…

On the dimension of limit sets on $\mathbb{P}(\mathbb{R}^3)$ via stationary measures: the theory and applications
This paper investigates the (semi)group action of $\mathrm{SL}_3(\mathbb{R})$ on $\mathbb{P}(\mathbb{R}^3)$, a primary example of non-conformal, non-linear, and non-strictly contracting action. We study the Hausdorff dimension of a dynamically defined limit set in $\mathbb{P}(\mathbb{R}^3)$ and generalize the classical Patterson-Sullivan formula using the approach of stationary measures. The two main examples are Anosov representations in $\mathrm{SL}_3(\mathbb{R})$ and the Rauzy gasket. 1.…

This https://arxiv.org/abs/2305.05637 has been replaced.
initial toot: https://mastoxiv.page/@arXiv_mat…

Signed tropicalization of polar cones
We study the tropical analogue of the notion of polar of a cone, working over the semiring of tropical numbers with signs. We characterize the cones which arise as polars of sets of tropically nonnegative vectors by an invariance property with respect to a tropical analogue of Fourier-Motzkin elimination. We also relate tropical polars with images by the nonarchimedean valuation of classical polars over real closed nonarchimedean fields and show, in particular, that for semi-algebraic sets over…

This https://arxiv.org/abs/2309.06075 has been replaced.
initial toot: https://mastoxiv.page/@arXiv_ees…

A2V: A Semi-Supervised Domain Adaptation Framework for Brain Vessel Segmentation via Two-Phase Training Angiography-to-Venography Translation
We present a semi-supervised domain adaptation framework for brain vessel segmentation from different image modalities. Existing state-of-the-art methods focus on a single modality, despite the wide range of available cerebrovascular imaging techniques. This can lead to significant distribution shifts that negatively impact the generalization across modalities. By relying on annotated angiographies and a limited number of annotated venographies, our framework accomplishes image-to-image transla…

Radiation Efficiency and Gain Bounds for Microstrip Patch Antennas
Ben A. P. Nel, Anja K. Skrivervik, Mats Gustafsson
https://arxiv.org/abs/2403.18844 http…

Radiation Efficiency and Gain Bounds for Microstrip Patch Antennas
This paper presents radiation efficiency and gain bounds for microstrip patch antennas. The presented bounds are shown to be good predictors of antenna performance. Using the bounds, patch miniaturization techniques based on high permittivity substrates and geometrical shaping are compared. Further, a semi-analytic model is developed to approximate the bounds. Measurements are used to validate the bounds. Finally, maximum bandwidth of a microstrip patch antenna is linked to its maximum radiatio…

Macroscale fracture surface segmentation via semi-supervised learning considering the structural similarity
Johannes Rosenberger, Johannes Tlatlik, Sebastian M\"unstermann
https://arxiv.org/abs/2403.18337

Macroscale fracture surface segmentation via semi-supervised learning considering the structural similarity
To this date the safety assessment of materials, used for example in the nuclear power sector, commonly relies on a fracture mechanical analysis utilizing macroscopic concepts, where a global load quantity K or J is compared to the materials fracture toughness curve. Part of the experimental effort involved in these concepts is dedicated to the quantitative analysis of fracture surfaces. Within the scope of this study a methodology for the semi-supervised training of deep learning models for fr…

This https://arxiv.org/abs/2305.13265 has been replaced.
initial toot: https://mastoxiv.page/@arXiv_mat…

Semi-galois Categories IV: A deformed reciprocity law for Siegel modular functions
This paper is a sequel to our previous work, where we proved the ``modularity theorem'' for algebraic Witt vectors over imaginary quadratic fields. This theorem states that, in the case of imaginary quadratic fields $K$, the algebraic Witt vectors over $K$ are precisely those generated by the modular vectors whose components are given by special values of deformation family of Fricke modular functions; arithmetically, this theorem implies certain congruences between special values of modular fu…

i am semi-ready for #MondayActionMovie

Carleman estimates for space semi-discrete approximations of one-dimensional stochastic parabolic equation and its applications
Bin Wu, Ying Wang, Zewen Wang
https://arxiv.org/abs/2403.19413

Carleman estimates for space semi-discrete approximations of one-dimensional stochastic parabolic equation and its applications
In this paper, we study discrete Carleman estimates for space semi-discrete approximations of one-dimensional stochastic parabolic equation. As applications of these discrete Carleman estimates, we apply them to study two inverse problems for the spatial semi-discrete stochastic parabolic equations, including a discrete inverse random source problem and a discrete Cauchy problem. We firstly establish two Carleman estimates for a one-dimensional semi-discrete stochastic parabolic equation, one f…

This https://arxiv.org/abs/2307.03249 has been replaced.
initial toot: https://mastoxiv.page/@arXiv_…

Single field inflation in the light of Pulsar Timing Array Data: Quintessential interpretation of blue tilted tensor spectrum through Non-Bunch Davies initial condition
In this work, we present a quintessential interpretation of having a blue-tilted tensor power spectrum for canonical single-field slow-roll inflation to explain the recently observed Pulsar Timing Array (NANOGrav 15-year and EPTA) signal of Gravitational Waves (GW). We formulate the complete semi-classical description of cosmological perturbation theory in terms of scalar and tensor modes using the Non-Bunch Davies initial condition. We found that the existence of the blue tilt ($n_t$) within t…

A hybrid approach to semi-automated Rust verification
Sacha-\'Elie Ayoun, Xavier Denis, Petar Maksimovi\'c, Philippa Gardner
https://arxiv.org/abs/2403.15122

A hybrid approach to semi-automated Rust verification
While recent years have been witness to a large body of work on efficient and automated verification of safe Rust code, enabled by the rich guarantees of the Rust type system, much less progress has been made on reasoning about unsafe code due to its unique complexities. We propose a hybrid approach to end-to-end Rust verification in which powerful automated verification of safe Rust is combined with targeted semi-automated verification of unsafe~Rust. To this end, we present Gillian-Rust, a pr…

This https://arxiv.org/abs/2212.08426 has been replaced.
link: https://scholar.google.com/scholar?q=a

Statistically consistent inverse optimal control for discrete-time indefinite linear-quadratic systems
The Inverse Optimal Control (IOC) problem is a structured system identification problem that aims to identify the underlying objective function based on observed optimal trajectories. This provides a data-driven way to model experts' behavior. In this paper, we consider the case of discrete-time finite-horizon linear-quadratic problems where: the quadratic cost term in the objective is not necessarily positive semi-definite; the planning horizon is a random variable; we have both process noise …

Gluonic contributions to semi-inclusive DIS in the target fragmentation region
Kai-Bao Chen, Jian-Ping Ma, Xuan-Bo Tong
https://arxiv.org/abs/2402.15112 ht…

Gluonic contributions to semi-inclusive DIS in the target fragmentation region
We study one-loop contributions to semi-inclusive deep inelastic scattering in the target fragmentation region for a polarized lepton beam and nucleon target. Complete one-loop results at leading twist are derived, with a particular focus on the gluonic channel. It shows that four structure functions are generated uniquely by the gluon fracture functions starting at one-loop. Additionally, we obtain two structure functions associated with the longitudinal polarization of the virtual photon, and…

This https://arxiv.org/abs/2309.01721 has been replaced.
initial toot: https://mastoxiv.page/@arXiv_sta…

Direct and Indirect Treatment Effects in the Presence of Semi-Competing Risks
Semi-competing risks refer to the phenomenon that the terminal event (such as death) can censor the non-terminal event (such as disease progression) but not vice versa. The treatment effect on the terminal event can be delivered either directly following the treatment or indirectly through the non-terminal event. We consider two strategies to decompose the total effect into a direct effect and an indirect effect under the framework of mediation analysis in completely randomized experiments by a…

Two-sided Lieb-Thirring bounds
Sven Bachmann, Richard Froese, Severin Schraven
https://arxiv.org/abs/2403.19023 https://arxiv.org/pdf…

Two-sided Lieb-Thirring bounds
We prove upper and lower bounds for the number of eigenvalues of semi-bounded Schrödinger operators in all spatial dimensions. As a corollary, we obtain two-sided estimates for the sum of the negative eigenvalues of atomic Hamiltonians with Kato potentials. Instead of being in terms of the potential itself, as in the usual Lieb-Thirring result, the bounds are in terms of the landscape function, also known as the torsion function, which is a solution of $(-Δ+ V +M)u_M =1$ in $\mathbb{R}^d$; he…

Asymptotic Bayes risk of semi-supervised learning with uncertain labeling
Victor Leger, Romain Couillet
https://arxiv.org/abs/2403.17767 https://

Asymptotic Bayes risk of semi-supervised learning with uncertain labeling
This article considers a semi-supervised classification setting on a Gaussian mixture model, where the data is not labeled strictly as usual, but instead with uncertain labels. Our main aim is to compute the Bayes risk for this model. We compare the behavior of the Bayes risk and the best known algorithm for this model. This comparison eventually gives new insights over the algorithm.

This https://arxiv.org/abs/2203.01633 has been replaced.
link: https://scholar.google.com/scholar?q=a

Numerical method for feasible and approximately optimal solutions of multi-marginal optimal transport beyond discrete measures
We propose a numerical algorithm for the computation of multi-marginal optimal transport (MMOT) problems involving general measures that are not necessarily discrete. By developing a relaxation scheme in which marginal constraints are replaced by finitely many linear constraints and by proving a specifically tailored duality result for this setting, we approximate the MMOT problem by a linear semi-infinite optimization problem. Moreover, we are able to recover a feasible and approximately optim…

Exact and Leading Order Radiative Effects in Semi-inclusive Deep Inelastic Scattering
Igor Akushevich, Alexander Ilyichev, Stanislav Srednyak
https://arxiv.org/abs/2403.18029

Exact and Leading Order Radiative Effects in Semi-inclusive Deep Inelastic Scattering
Radiative effects in semi-inclusive hadron leptoproduction of unpolarized particles are calculated within the leading order approximation. The contributions of the infrared-free sum of the effects of real and virtual photon emission as well as the contribution of exclusive radiative tail are considered. It is demonstrated how the obtained formulae in the leading log approximation can be obtained using the standard approach of the leading log approximation as well as from the exact expressions f…

Semi-Supervised Learning for Deep Causal Generative Models
Yasin Ibrahim, Hermione Warr, Konstantinos Kamnitsas
https://arxiv.org/abs/2403.18717 https://…

Semi-Supervised Learning for Deep Causal Generative Models
Developing models that can answer questions of the form "How would $x$ change if $y$ had been $z$?" is fundamental for advancing medical image analysis. Training causal generative models that address such counterfactual questions, though, currently requires that all relevant variables have been observed and that corresponding labels are available in training data. However, clinical data may not have complete records for all patients and state of the art causal generative models are unable to ta…

This https://arxiv.org/abs/2309.01721 has been replaced.
initial toot: https://mastoxiv.page/@arXiv_sta…

Direct and Indirect Treatment Effects in the Presence of Semi-Competing Risks
Semi-competing risks refer to the phenomenon that the terminal event (such as death) can censor the non-terminal event (such as disease progression) but not vice versa. The treatment effect on the terminal event can be delivered either directly following the treatment or indirectly through the non-terminal event. We consider two strategies to decompose the total effect into a direct effect and an indirect effect under the framework of mediation analysis in completely randomized experiments by a…

This https://arxiv.org/abs/2305.06960 has been replaced.
initial toot: https://mastoxiv.page/@arXiv_mat…

A Fixed-Point Approach to Non-Commutative Central Limit Theorems
We show how the renormalization group approach can be used to prove quantitative central limit theorems (CLTs) in the setting of free, Boolean, bi--free and bi--Boolean independence under finite third moment assumptions. The proofs rely on the construction of a contractive metric over the space of probability measures over $\mathbb{R}$ or $\mathbb{R}^2$, which has the appropriate analogue of a Gaussian distribution as a fixed point (for instance, the semi--circle law in the case of free indepen…

This https://arxiv.org/abs/2310.04744 has been replaced.
link: https://scholar.google.com/scholar?q=a

Unitary (semi)causal quantum-circuit representation of black hole evaporation
A general structure of unitary evolution (evaporation) of the black hole, respecting causality imposed by the event horizon (semicausality), has been derived and presented in the language of quantum circuits. The resulting consequences for the evolution of the corresponding entanglement entropy and the entropy curve have been determined. As an illustration of the general scheme, two families of qubit toy models have been discussed: tensor product models and controlled non-product models.

Selective Mixup Fine-Tuning for Optimizing Non-Decomposable Objectives
Shrinivas Ramasubramanian, Harsh Rangwani, Sho Takemori, Kunal Samanta, Yuhei Umeda, Venkatesh Babu Radhakrishnan
https://arxiv.org/abs/2403.18301

Selective Mixup Fine-Tuning for Optimizing Non-Decomposable Objectives
The rise in internet usage has led to the generation of massive amounts of data, resulting in the adoption of various supervised and semi-supervised machine learning algorithms, which can effectively utilize the colossal amount of data to train models. However, before deploying these models in the real world, these must be strictly evaluated on performance measures like worst-case recall and satisfy constraints such as fairness. We find that current state-of-the-art empirical techniques offer s…

This https://arxiv.org/abs/2402.07064 has been replaced.
initial toot: https://mastoxiv.page/@arXiv_mat…

Exact Semi-Definite Programs for Piecewise SOS-Convex Moment Optimization and Applications
In this paper, we present exact Semi-Definite Program (SDP) reformulations for a broad class of infinite-dimensional moment optimization problems involving piecewise Sums-of-Squares (SOS) convex polynomials and projected spectrahedral support sets. These reformulations show that the optimal value of the original moment problem can be found by solving a single SDP. In particular, we show how an optimal probability measure is recovered for these problems by solving a single SDP. This is done by f…