output
19922026

4,122 papers

math.KT2026

Categories with conjugation and octagons of Witt groups

David W. Lewis, Jean-Pierre Tignol

A categorical approach is proposed for the construction of 8-periodic chain complexes of Witt groups of categories with duality. Exactness of the resulting sequences is proved unde…

physics.atom-ph2026★ 1 cited

Optically Derived Radio-Frequency Benchmark in Methanol: A Sub-kHz Reference for Astrophysical Tests of Fundamental Physics

Frank M. J. Cozijn, Arthémise Altman, Alexandr S. Bogomolov +8

Methanol radio lines observed in space provide sensitive probes of whether the proton-to-electron mass ratio has changed over cosmic time, but such tests require laboratory rest fr…

cond-mat.mes-hall2026★ 1 cited

Quantum Heat Under the Microscope: A Perspective on Cryogenic Scanning Thermal Microscopy

Valentin Fonck, Jean Spiece, Pascal Gehring

Exploring thermal transport at cryogenic temperatures presents both significant challenges and valuable insights. By uncovering the thermal counterpart of well-known quantum phenom…

cs.CV2026

Localized Conformal Prediction for Image Classification with Vision-Language Models

Clément Fuchs, Tim Bary, Benoît Macq

Conformal predictions have attracted significant attention in the field of uncertainty quantification, mainly because of their strong marginal coverage guarantees. Full conditional…

astro-ph.SR2026

Formation of Suprathermal Electron Populations in the Expanding, Turbulent Solar Wind

Maximilien Péters de Bonhome, Fabio Bacchini, Luca Pezzini +1

Nonthermal features are ubiquitously observed in electron velocity distribution functions in the solar wind, yet their origin in the collisionless, turbulent, expanding solar-wind…

cond-mat.mtrl-sci2026

Ab initio study of magnetism in pristine and defective MnBi2Te4

Ana Beatriz Pedro Fontes, Jiaqi Zhou, Simon M. -M. Dubois +1

The magnetic material MnBi2Te4 (MBT) has garnered significant attention due to its unique combination of long-range antiferromagnetism and nontrivial topological electronic propert…