Mathematical physics sits at the fascinating intersection where abstract equations meet the fundamental laws of our universe. This field uses rigorous mathematical tools to model everything from the behavior of subatomic particles to the curvature of spacetime, turning complex theories into testable predictions. It is the language through which physicists describe reality, bridging the gap between pure mathematics and physical observation.

On Gist.Science, we process every new preprint published in this category on arXiv to make these dense studies accessible to everyone. Whether you are a specialist or a curious reader, you will find both plain-language overviews and detailed technical summaries for each paper. Below are the latest mathematical physics papers from arXiv, curated to help you explore the cutting edge of theoretical science.

Monotonicity, global symplectification and the stability of Dry Ten Martini Problem

This paper establishes that for trigonometric-polynomial potentials with irrational frequencies, every type I energy with a positive Lyapunov exponent satisfying the gap-labelling condition forms the boundary of an open spectral gap, thereby proving the robustness of the "all spectral gaps are open" property for the supercritical almost-Mathieu operator under small perturbations through a novel geometric approach involving monotonicity and global symplectification.

Xianzhe Li, Disheng Xu, Qi Zhou2026-04-09🔢 math-ph

Cholesteric Fingers from a Magnetic Perspective: Topology, Energetics, and Interactions

This paper establishes a unified continuum framework linking chiral liquid crystals and chiral magnets to characterize cholesteric fingers (CF-1 and CF-2) as composite meron-based topological solitons, detailing their structural evolution, repulsive or attractive interactions, and thickness-dependent stability under varying anchoring and background conditions.

Takayuki Shigenaga, Andrey O. Leonov2026-04-09🔢 math-ph

Quantum Relative-alpha-Entropies: A Structural and Geometric Perspective

This paper introduces a novel quantum relative-alpha-entropy that extends Umegaki's relative entropy beyond the traditional f-divergence framework, revealing a fundamentally geometric notion of quantum distinguishability characterized by nonlinear convexity, additivity, and an exact correspondence with classical relative-alpha-entropy via Nussbaum-Szkola distributions.

Sayantan Roy, Atin Gayen, Aditi Kar Gangopadhyay, Sugata Gangopadhyay2026-04-09🔢 math-ph

Continuum dynamics from quantised interaction rules

This paper introduces the Fast Quantised Numerical Method (FQNM), a novel approach that executes conservative dynamics directly through discrete, antisymmetric integer transfer rules on countable states, thereby achieving superior accuracy in high-frequency transport and robustness in nonlinear shock formation while maintaining exact discrete conservation without relying on traditional floating-point approximations.

Park Junhu, Yongsoo Ha, Myungjoo Kang2026-04-09🔢 math-ph

Branes and Representations of DAHA CC1C^\vee C_1: affine braid group action on category

This paper establishes a derived equivalence between the category of Lagrangian AA-branes on the SL(2,C)\mathrm{SL}(2,\mathbb{C})-character variety of a four-punctured sphere and the representation category of the spherical DAHA of type CC1C^\vee C_1 by utilizing brane quantization to reveal an affine braid group action of type D4D_4, thereby offering new insights into the low-energy dynamics of SU(2) Nf=4N_f=4 Seiberg-Witten theory.

Junkang Huang, Satoshi Nawata, Yutai Zhang, Shutong Zhuang2026-04-08🔢 math-ph