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Physics Preprint PDF DOI

Triadic Phase Transitions in AI Networks: Composite-Operator Scaling in Cognitive Architectures

Eduardo Salazar · 2026

Multi-agent AI architectures whose dominant collective observable is a $k$-body spin correlator $O_k\equiv\langle\phi^k\rangle$ over a $\mathbb{Z}_2$-symmetric order parameter exhibit composite-operat…

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Physics Preprint PDF DOI

Big Dipper, Help Me Find A Way -- Dip-hunting at hadron colliders

Diego A. Baron Moreno, Christoph Englert, Yvonne Peters · 2026

Destructive interference between signal and background processes poses a fundamental challenge in searches for top-philic scalar resonances, significantly reducing experimental sensitivity to well-mot…

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Physics Preprint PDF DOI

Differentiable Forward Modeling for Efficient and Accurate Shear Inference

Ismael Mendoza, Axel Guinot, Matthew R. Becker, Camille Avestruz, Jean-Eric Campagne, Natalia Porqueres, Michael Schneider, Eleni Tsaprazi · 2026

Forthcoming Stage-IV dark energy optical surveys, such as LSST, have the ambitious goal of measuring cosmological parameters at sub-percent precision. Realizing their full scientific potential require…

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Mathematics Preprint PDF DOI

Trivial extensions of Koszul Artin-Schelter regular algebras

Kenta Ueyama · 2026

Let $S$ be an $\mathbb N$-graded Koszul Artin-Schelter regular algebra and let $\sigma$ be a graded algebra automorphism of $S$. We study the stable category of graded maximal Cohen-Macaulay modules o…

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Physics Preprint PDF DOI

On non-relativistic integrable models and 4d SCFTs

Rotem Ben Zeev, Anirudh Deb, Hee-Cheol Kim, Shlomo S. Razamat · 2026

We elaborate on the relation between the generalized Schur index of $N=2$ SCFTs in four dimensions and the non-relativistic limit of the elliptic Ruijsenaars-Schneider model. In particular we discuss …

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AI & Data Science Preprint PDF DOI

An Efficient Black-Box Reduction from Online Learning to Multicalibration, and a New Route to $\Phi$-Regret Minimization

Gabriele Farina, Juan Carlos Perdomo · 2026

We give a Gordon-Greenwald-Marks (GGM) style black-box reduction from online learning to online multicalibration. Concretely, we show that to achieve high-dimensional multicalibration with respect to …

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Mathematics Preprint PDF DOI

Statistical Limit Theorems for Axiom A Diffeomorphisms: Exponential Mixing, Central Limit Theorem, and Large Deviations

Abdoulaye Thiam · 2026

We establish statistical limit theorems for equilibrium states of Axiom A diffeomorphisms, derived from the spectral gap of the Ruelle transfer operator established in Part I (Thiam2026a) and transfer…

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Physics Preprint PDF DOI

Spherical singularities in compactified Ruijsenaars--Schneider systems

L. Feher, H.R. Dullin · 2026

We investigate certain Liouville integrable systems constructed earlier via reduction of the quasi-Hamiltonian double of $\mathrm{SU}(n)$. These systems live on compact connected symplectic manifolds …

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Mathematics Preprint PDF DOI

Chevalley property of module-finite Hopf algebras and discriminant ideals

Yimin Huang, Tiancheng Qi, Quanshui Wu, Ruipeng Zhu · 2026

In this paper, we study the Chevalley property of Cayley-Hamilton Hopf algebras in the sense of De Concini-Procesi-Reshetikhin-Rosso using discriminant ideals. For any affine Cayley-Hamilton Hopf alge…

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Mathematics Preprint PDF DOI

$C^{\infty}$ regularity of the Alt-Phillips Functional for negative powers

Lu Chen, Jiali Lan, Yong Wu · 2026

In this paper, we study the regularity of the free boundary for minimizers of the Alt-Phillips functional with negative powers \[\mathcal{E}_{\gamma}(u)=\int_{\Omega}\frac{1}{2}|\nabla u|^2+\frac{1}{\…

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Physics Preprint PDF DOI

Discovery of low-redshift analogues to "Little Red Dots" in DESI: A later evolutionary stage of compact LRDs?

Weiyu Ding, Xu Kong, Wei-Jian Guo, Hu Zou, Jialai Wang, Fujia Li, Hongxin Zhang, Jie Song, Jingyi Zhang, Niu Li, Wen-Xiong Li · 2026

The James Webb Space Telescope (JWST) has recently discovered a population of compact, red sources at z > 4 known as "Little Red Dots" (LRDs). They are characterized by their V-shaped continuum spectr…

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Physics Preprint PDF DOI

Denoising clustering covariance matrices with Rotational Invariant Estimators

Antonio Farina, Massimo Guidi, Alfonso Veropalumbo, Claudio Guida · 2026

Cosmological parameter inference from galaxy clustering relies critically on accurate estimates of the covariance and precision matrices. These are often obtained from a limited number of mock catalog…

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Mathematics Preprint PDF DOI

On a Weiss-type Almost Monotonicity Formula

Aelson Sobral · 2026

We establish a Weiss-type almost-monotonicity formula for a broad class of variable-coefficient energy functionals, assuming only minimal regularity of the coefficients. As an application, we classify…

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Physics Preprint PDF DOI

Engineered non-Gaussian Coherence as a Thermodynamic Resource for Quantum Batteries

Kingshuk Adhikary · 2026

Accessing quantum advantage (QA) is a legitimate task in energy harvesting devices, and it is potentially reshaping thermodynamic concepts. In this respect, the resourceful quantum non-Gaussian (QNG) …

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Physics Preprint PDF DOI

DREAMuS: Dark matter REsearch with Advanced Muon Source

Xiang Chen, Zejia Lu, Liangwen Chen, Jun Gao, Shao-Feng Ge, Zhanxu Hao, Yang Hu, Bingzhi Li, Cen Mo, Zhiyu Sun, Huayang Wang, Chonghao Wu, Yu Xu, Xueheng Zhang, Yulei Zhang, Liang Li · 2026

We propose DREAMuS, a fixed-target experiment at the High Intensity Heavy-Ion Accelerator Facility (HIAF), to search for muon-philic dark matter mediated by light flavor-violating bosons. DREAMuS is d…

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AI & Data Science Preprint PDF DOI

From Recency Bias to Stable Convergence Block Kaczmarz Methods for Online Preference Learning in Matchmaking Applications

James Nguyen · 2026

We present a family of Kaczmarz-based preference learning algorithms for real-time personalized matchmaking in reciprocal recommender systems. Post-step L2 normalization, common in Kaczmarz-inspired o…

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Economics & Finance Preprint PDF DOI

Identification in (Endogenously) Nonlinear SVARs Is Easier Than You Think

James A. Duffy, Sophocles Mavroeidis · 2026

We study identification in structural vector autoregressions (SVARs) in which the endogenous variables enter nonlinearly on the left-hand side of the model, a feature we term endogenous nonlinearity, …

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Mathematics Preprint PDF DOI

The two-phase Alt-Phillips problem for quasilinear operators

Yousef Alamri, Jose Miguel Urbano · 2026

We establish interior regularity and optimal growth estimates for sign-changing minimizers of the $p-$singular or $p-$degenerate quasilinear Alt--Phillips functional throughout the full range of $1<p<…

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Physics Preprint PDF DOI

Superconformal index for $\mathcal{N} = 4$ Super Yang-Mills and Elliptic Macdonald Polynomials

Gao-fu Ren, Min-xin Huang · 2026

We establish a connection between the superconformal index of $\mathcal{N}=4$ $U(N)$ SYM and the elliptic Ruijsenaars-Schneider integrable system. The index admits an expression in terms of elliptic M…

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Mathematics Preprint PDF DOI

Verifying Well-Posedness of Linear PDEs using Convex Optimization

Declan S. Jagt, Matthew M. Peet · 2026

Ensuring that a PDE model is well-posed is a necessary precursor to any form of analysis, control, or numerical simulation. Although the Lumer-Phillips theorem provides necessary and sufficient condit…

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