Tootfinder

"The good news is, those same software workers can still influence the state of the world in a positive light. In the pages of this magazine, now celebrating its fifth year of existence, we have tried to highlight the various ways they can do this:
By promoting a healthy dialogue between management and software engineers.
By showing empathy with one another and with mankind.
By unionizing and fighting against atrocious work conditions."

Conformal coronary calcification volume estimation with conditional coverage via histogram clustering
Olivier Jaubert, Salman Mohammadi, Keith A. Goatman, Shadia S. Mikhael, Conor Bradley, Rebecca Hughes, Richard Good, John H. Hipwell, Sonia Dahdouh
https://arxiv.org/abs/2506.04030

Conformal coronary calcification volume estimation with conditional coverage via histogram clustering
Incidental detection and quantification of coronary calcium in CT scans could lead to the early introduction of lifesaving clinical interventions. However, over-reporting could negatively affect patient wellbeing and unnecessarily burden the medical system. Therefore, careful considerations should be taken when automatically reporting coronary calcium scores. A cluster-based conditional conformal prediction framework is proposed to provide score intervals with calibrated coverage from trained s…

This https://arxiv.org/abs/2004.09217 has been replaced.
link: https://scholar.google.com/scholar?q=a

Vanishing Chern classes for numerically flat Higgs bundles
I consider Higgs bundles satisfying a notion of ampleness that was introduce Bruzzo, Graña Otero and Hernández Ruipérez, and prove that the Chern classes of rank $r$ H-ample Higgs bundles over dimension $n$, polarized, smooth, complex, projective varieties are positive under opportune hypothesis. I extend this to non-negativeness of Chern classes of all numerically effective Higgs bundles; and use this condition to prove the vanishing of Chern classes of numerically flat Higgs bundles.

This https://arxiv.org/abs/2505.20597 has been replaced.
initial toot: https://mastoxiv.page/@arXiv_hept…

LSZ ghostbusters in the quadratic gravity stage
The present letter considers the quantization method developed in [1]-[9], which postulates that, in several situations, negative norm or ghost states can be avoided in order to give positive probabilities. These authors also postulate a candidate for a path integral for those theories, following pioneer works initiated by Dirac [10]} and Pauli \[11]. However, taking into account the non standard oscillator algebra inherent to this method, in order to be sure that unitarity is not violated, one…

Paper Of Record delves into how unchecked global warming #climate chaos created catastrophic conditions for deadly #floods in #TX. The #GuadalupeRiver

As the World Warms, Extreme Rain Is Becoming Even More Extreme
Even in places, like Central Texas, with a long history of floods, human-caused warming is creating the conditions for more frequent and severe deluges.

This https://arxiv.org/abs/2301.07476 has been replaced.
initial toot: https://mastoxiv.page/@arXiv_mat…

Negative Moment Bounds for Sample Autocovariance Matrices of Stationary Processes Driven by Conditional Heteroscedastic Errors and Their Applications
We establish a negative moment bound for the sample autocovariance matrix of a stationary process driven by conditional heteroscedastic errors. This moment bound enables us to asymptotically express the mean squared prediction error (MSPE) of the least squares predictor as the sum of three terms related to model complexity, model misspecification, and conditional heteroscedasticity. A direct application of this expression is the development of a model selection criterion that can asymptotically…

Generalized cones admitting a curvature-dimension condition
Matteo Calisti, Christian Ketterer, Clemens S\"amann
https://arxiv.org/abs/2506.02723 http…

Generalized cones admitting a curvature-dimension condition
We study (generalized) cones over metric spaces, both in Riemannian and Lorentzian signature. In particular, we establish synthetic lower Ricci curvature bounds à la Lott-Villani-Sturm and Ohta in the metric measure case, and à la Cavalletti-Mondino in Lorentzian signature. Here, a generalized cone is a warped product of a one-dimensional base space, which will be positive or negative definite, over a fiber that is a metric space. We prove that Riemannian or Lorentzian generalized cones over …

Itinerant versus localized magnetism in spin gapped metallic half-Heusler compounds: Stoner criterion and magnetic interactions
E. Sas{\i}oglu, W. Beida, S. Ghosh, M. Tas, B. Sanyal, S. Lounis, S. Blugel, I. Mertig, I. Galanakis
https://arxiv.org/abs/2506.03416

Itinerant versus localized magnetism in spin gapped metallic half-Heusler compounds: Stoner criterion and magnetic interactions
Spin gapped metals have recently emerged as promising candidates for spintronic and nanoelectronic applications, enabling functionalities such as sub-60mV/dec switching, negative differential resistance, and non-local spin-valve effects in field-effect transistors. Realizing these functionalities, however, requires a deeper understanding of their magnetic behavior, which is governed by a subtle interplay between localized and itinerant magnetism. This interplay is particularly complex in spin g…

Moduli space of Conformal Field Theories and non-commutative Riemannian geometry
Yan Soibelman
https://arxiv.org/abs/2506.00896 https://

Moduli space of Conformal Field Theories and non-commutative Riemannian geometry
We discuss the analogy between collapsing Conformal Field Theories and measured Gromov-Hausdorff limit of Riemannian manifolds with non-negative Ricci curvature. Motivated by this analogy we propose the notion of non-commutative (``quantum") Riemannian d-geometry. We explain how this structure is related to Connes's spectral triples in the case d=1. In the Appendix based on the unpublished joint work with Maxim Kontsevich we discuss deformation theory of Quantum Field Theories as well as an app…

This https://arxiv.org/abs/2403.07698 has been replaced.
initial toot: https://mastoxiv.page/@arXiv_mat…

The Kazdan-Warner problem on compact Kähler surfaces
In this paper, we investigate a Kazdan-Warner problem on compact Kähler surfaces, which corresponds to prescribing sign-changing Chern scalar curvatures, and establish a Chen-Li type existence theorem on compact Kähler surfaces when the candidate curvature function is of negative average. Moreover, we give an alternative proof of Ding-Liu's theorem [Trans. Amer. Math. Soc. 347(1995) 1059-1066] on prescribing sign-changing Gaussian curvatures.