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What’s Next? Javonte Williams and the RB equation in Dallas https://www.dallascowboys.com/news/what-s-next-javonte-williams-and-the-rb-equation-in-dallas

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RE: https://mstdn.social/@kevinrns/115776345217319180
I'm a big linux fan, but it's the other side of this equation which is compelling:
While Silicon Valley is trying to take control of the world, you (we, all of us) need to get off its proper…

A belated #ThursdayFiveList: courtesy of @…, #TheShortestSongs:
1. Steve Ibsen, “The Kitty Cat Dance” [1:29]—

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Weighted Stochastic Differential Equation to Implement Wasserstein-Fisher-Rao Gradient Flow
Herlock Rahimi
https://arxiv.org/abs/2512.17878 https://arxiv.org/pdf/2512.17878 https://arxiv.org/html/2512.17878
arXiv:2512.17878v1 Announce Type: new
Abstract: Score-based diffusion models currently constitute the state of the art in continuous generative modeling. These methods are typically formulated via overdamped or underdamped Ornstein--Uhlenbeck-type stochastic differential equations, in which sampling is driven by a combination of deterministic drift and Brownian diffusion, resulting in continuous particle trajectories in the ambient space. While such dynamics enjoy exponential convergence guarantees for strongly log-concave target distributions, it is well known that their mixing rates deteriorate exponentially in the presence of nonconvex or multimodal landscapes, such as double-well potentials. Since many practical generative modeling tasks involve highly non-log-concave target distributions, considerable recent effort has been devoted to developing sampling schemes that improve exploration beyond classical diffusion dynamics.
A promising line of work leverages tools from information geometry to augment diffusion-based samplers with controlled mass reweighting mechanisms. This perspective leads naturally to Wasserstein--Fisher--Rao (WFR) geometries, which couple transport in the sample space with vertical (reaction) dynamics on the space of probability measures. In this work, we formulate such reweighting mechanisms through the introduction of explicit correction terms and show how they can be implemented via weighted stochastic differential equations using the Feynman--Kac representation. Our study provides a preliminary but rigorous investigation of WFR-based sampling dynamics, and aims to clarify their geometric and operator-theoretic structure as a foundation for future theoretical and algorithmic developments.
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Pete Buttigieg and Robert Reich have highlighted our plan to
✅ defeat Citizens United:
“Interesting things are happening across the country…
Montana is trying to address this through attention to what a corporation can and can’t do,
because that’s actually decided at the state level.
So instead of working it at the ‘speech’ side of the equation,
💥they’re working at the
‘what is a corporation’ side of the equation.” --Secretary

Donate to Transparent Election Initiative
Show your support with a contribution.

The Age-Structured Chemostat with Substrate Dynamics as a Control System
Iasson Karafyllis, Dionysis Theodosis, Miroslav Krstic
https://arxiv.org/abs/2511.09963 https://arxiv.org/pdf/2511.09963 https://arxiv.org/html/2511.09963
arXiv:2511.09963v1 Announce Type: new
Abstract: In this work we study an age-structured chemostat model with a renewal boundary condition and a coupled substrate equation. The model is nonlinear and consists of a hyperbolic partial differential equation and an ordinary differential equation with nonlinear, nonlocal terms appearing both in the ordinary differential equation and the boundary condition. Both differential equations contain a non-negative control input, while the states of the model are required to be positive. Under an appropriate weak solution framework, we determine the state space and the input space for this model. We prove global existence and uniqueness of solutions for all admissible initial conditions and all allowable control inputs. To this purpose we employ a combination of Banach's fixed-point theorem with implicit solution formulas and useful solution estimates. Finally, we show that the age-structured chemostat model gives a well-defined control system on a metric space.
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This is a subtweet...
People who are not anti-capitalist sometimes wonder: "Why is there a monopoly on X life-critical thing?" (E.g., epipens, insulin, web search).
This one is really simple actually: because monopolies are more profitable than competition, and the foundation of capitalism is that capital = power.
Various societies have recognized the necropolitical outcomes of monopolies and have tried to erect barriers to monopoly; we all know that monopolies are bad, death-and-suffering-causing things. But since these societies mostly remain capitalist, they allow these barriers to be eroded by the power of capital (to do otherwise would be to repudiate capitalism because it puts a limit on the power of money). The barriers are ineffective, and the capital = power equation holds, and monopolies result and get to do their killing & maiming thing (remember: even things like social media monopolies that you wouldn't expect to pay for political assassinations like a mining company still profit from inciting genocides). *Sometimes* there are oligopolies instead of monopolies, but instances of really competitive markets are pretty rare for things that are widely sought-after.
The "government will manage the markets to prevent bad outcomes like monopolies" strategy has failed repeatedly, spectacularly, and almost universally. To actually prevent monopolies you need a population that no longer believes that money should equal power, it's that simple. Sadly, it's actually not that simple, since all of the alternatives which equate something else to power, like "the king" or "party loyalty as judged by the supreme leader" have the same problems or worse. The attitude you need to cultivate is "nobody should have power," which is hard because *all* of the power-systems we have constantly propagandize against this attitude in myriad ways. Still, in the future once we've broken free of this age where hierarchy is accepted, people will look back and wonder whether the historical records are even credible given how much needless death and suffering were endured with little resistance.
#anarchy #capitalism

This is not a sponsored post :)
A few weeks ago my Magimix « L’expresso automatique » died on me. After several attempts to repair it I had to give up and buy a new espresso machine. Since it’s almost Christmas and shit I splurged on this.
This thing is definitely not plug & play. I’m not even finished tuning the quantity vs grind size knobs — it’s like finding the « ideal » solution for a single equation with two unknowns, and the equation depends on the particular coffee yo…

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I occasionally stop by Reddit for a couple of chuckles. As per usual - the magic is always in the comments
#ShamelesslyStolenFromReddit #shitpost #shitposting

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Travelling wave solutions of equations in the Burgers Hierarchy
Amitava Choudhuri, Modhan Mohan Panja, Supriya Chatterjee, Benoy Talukdar
https://arxiv.org/abs/2511.06333 https://arxiv.org/pdf/2511.06333 https://arxiv.org/html/2511.06333
arXiv:2511.06333v1 Announce Type: new
Abstract: We emphasize that construction of travelling wave solutions for partial differential equations is a problem of considerable interest and thus introduce a simple algebraic method to generate such solutions for equations in the Burgers hierarchy. Our method based on a judicious use of the well known Cole-Hopf transformation is found to work satisfactorily for higher Burgers equations for which the direct method of integration is inapplicable. For Burgers equation we clearly demonstrate how does the diffusion term in the equation counteract the nonlinearity to result in a smooth wave. We envisage a similar study for higher equations in the Buggers hierarchy and establish that (i) as opposed to the solution of the Burgers equation, the purely nonlinear terms of these equations support smooth solutions and more interestingly (ii) the complete solutions of all higher-order equations are identical.
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Nonlinear seismic amplitude versus offset inversion using the exact Zoeppritz equation
Wiktor Waldemar Weibull, Nisar Ahmed
https://arxiv.org/abs/2512.13172 https://

@… As a “computer person” in this equation, it strikes me as obvious that, if some exploit exists, no matter how hard you try to keep it secret, bad actors are already out there who posses the knowledge.
Trying to keep it under wraps only serves to allow those actors to exploit the issue, without the rest of us being any wiser.
I suppose that’s ex…

Oh no, just noticed it's flipped right now. ;) Need to tweak the transformation equation to fix that first.

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Series D, Episode 11 - Orbit
SERVALAN: I hope so, Egrorian. I've waited a long time for this.
EGRORIAN: His death is a mathematical certainty. The product of a simple equation.
https://blake.torpidity.net/m/411/202 B7B6

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Pauli Master Equation numerical analysis of coherent and incoherent dressed fermions in triplet unconventional superconductors
Pedro L. Contreras E
https://arxiv.org/abs/2512.07274

Atomic and molecular systems for radiation thermometry
Stephen P. Eckel, Eric B. Norrgard, Christopher Holloway, Nikunjkumar Prajapati, Noah Schlossberger, Matthew Simons
https://arxiv.org/abs/2512.08668 https://arxiv.org/pdf/2512.08668 https://arxiv.org/html/2512.08668
arXiv:2512.08668v1 Announce Type: new
Abstract: Atoms and simple molecules are excellent candidates for new standards and sensors because they are both all identical and their properties are determined by the immutable laws of quantum physics. Here, we introduce the concept of building a standard and sensor of radiative temperature using atoms and molecules. Such standards are based on precise measurement of the rate at which blackbody radiation (BBR) either excites or stimulates emission for a given atomic transition. We summarize the recent results of two experiments while detailing the rate equation models required for their interpretation. The cold atom thermometer (CAT) uses a gas of laser cooled $^{85}$Rb Rydberg atoms to probe the BBR spectrum near 130~GHz. This primary, {\it i.e.}, not traceable to a measurement of like kind, temperature measurement currently has a total uncertainty of approximately 1~\%, with clear paths toward improvement. The compact blackbody radiation atomic sensor (CoBRAS) uses a vapour of $^{85}$Rb and monitors fluorescence from states that are either populated by BBR or populated by spontaneous emission to measure the blackbody spectrum near 24.5~THz. The CoBRAS has an excellent relative precision of $u(T)\approx 0.13$~K, with a clear path toward implementing a primary
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Temperature dependence of the spontaneous magnetization of Ni2MnGa and other ferromagnets. The superellipse equation
A. Perevertov
https://arxiv.org/abs/2512.24771 https://

Residual Symmetry Reductions and Painlev\'e Solitons
Yan Li, Ya-Rong Xia, Ruo-Xia Yao, S. Y. Lou
https://arxiv.org/abs/2511.09077 https://arxiv.org/pdf/2511.09077 https://arxiv.org/html/2511.09077
arXiv:2511.09077v1 Announce Type: new
Abstract: This letter introduces the novel concept of Painlev\'e solitons -- waves arising from the interaction between Painlev\'e waves and solitons in integrable systems. Painlev\'e solitons may also be viewed as solitons propagating against a Painlev\'e wave background, in analogy with the established notion of elliptic solitons, which refer to solitons on an elliptic wave background. By employing a novel symmetry decomposition method aided by nonlocal residual symmetries, we explicitly construct (extended) Painlev\'e II solitons for the Korteweg-de Vries (KdV) equation and (extended) Painlev\'e IV solitons for the Boussinesq equation.
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An inexact semismooth Newton-Krylov method for semilinear elliptic optimal control problem
Shiqi Chen, Xuesong Chen
https://arxiv.org/abs/2511.10058 https://arxiv.org/pdf/2511.10058 https://arxiv.org/html/2511.10058
arXiv:2511.10058v1 Announce Type: new
Abstract: An inexact semismooth Newton method has been proposed for solving semi-linear elliptic optimal control problems in this paper. This method incorporates the generalized minimal residual (GMRES) method, a type of Krylov subspace method, to solve the Newton equations and utilizes nonmonotonic line search to adjust the iteration step size. The original problem is reformulated into a nonlinear equation through variational inequality principles and discretized using a second-order finite difference scheme. By leveraging slanting differentiability, the algorithm constructs semismooth Newton directions and employs GMRES method to inexactly solve the Newton equations, significantly reducing computational overhead. A dynamic nonmonotonic line search strategy is introduced to adjust stepsizes adaptively, ensuring global convergence while overcoming local stagnation. Theoretical analysis demonstrates that the algorithm achieves superlinear convergence near optimal solutions when the residual control parameter $\eta_k$ approaches to 0. Numerical experiments validate the method's accuracy and efficiency in solving semilinear elliptic optimal control problems, corroborating theoretical insights.
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Here We Goooo: Three keys to Cowboys beating the Cardinals https://www.dallascowboys.com/news/here-we-goooo-three-keys-to-cowboys-beating-the-cardinals

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Replaced article(s) found for physics.atom-ph. https://arxiv.org/list/physics.atom-ph/new
[1/1]:
- Perturbation-assisted Observation of the Lowest Vibrational Level of the $\mathrm{b}^{3}\Pi_{0}$ ...
Yang, Nie, Yu, Liu, Avalos, He, Klos, Kotochigova, Dieckmann
https://arxiv.org/abs/2510.17166 https://mastoxiv.page/@arXiv_physicsatomph_bot/115411364513995859
- Direct Measurement of the $5s5p\,{}^1P_1 \to 5s4d\,{}^1D_2$ Decay Rate in Strontium
Naohiro Okamoto, Takatoshi Aoki, Yoshio Torii
https://arxiv.org/abs/2510.22184 https://mastoxiv.page/@arXiv_physicsatomph_bot/115450966319591523
- Turbulence and far-from-equilibrium equation of state of Bogoliubov waves in Bose-Einstein Conden...
Ying Zhu, Giorgio Krstulovic, Sergey Nazarenko
https://arxiv.org/abs/2408.15163 https://mastoxiv.page/@arXiv_condmatquantgas_bot/113038670682163852
- Observation of quantum free fall and the consistency with the equivalence principle
Or Dobkowski, et al.
https://arxiv.org/abs/2502.14535 https://mastoxiv.page/@arXiv_quantph_bot/114040790353608831
- Microwave-field quantum metrology with inherent robustness against detection losses enabled by Ry...
Kurzyna, Niewelt, Mazelanik, Wasilewski, Demkowicz-Dobrza\'nski, Parniak
https://arxiv.org/abs/2505.01506 https://mastoxiv.page/@arXiv_quantph_bot/114459737137154531
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Crosslisted article(s) found for nlin.SI. https://arxiv.org/list/nlin.SI/new
[1/1]:
- Anti-commuting Solutions of the Yang-Baxter-like Matrix Equation
Mohammed Ahmed Adam Abdalrahman, Huijian Zhu, Jiu Ding, Qianglian Huang
https://arxiv.org/abs/2511.05088 https://mastoxiv.page/@arXiv_mathNA_bot/115524577525797883
- Exactly solvable Stuart-Landau models in arbitrary dimensions
Pragjyotish Bhuyan Gogoi, Rahul Ghosh, Debashis Ghoshal, Awadhesh Prasad, Ram Ramaswamy
https://arxiv.org/abs/2511.05160 https://mastoxiv.page/@arXiv_nlinCD_bot/115524434020594392
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Replaced article(s) found for physics.atom-ph. https://arxiv.org/list/physics.atom-ph/new
[1/1]:
- Generalized spheroidal wave equation for real and complex valued parameters. An algorithm based o...
Mykhaylo V. Khoma

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