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arXiv preprints from January 1, 2026 through September 22, 2026 — 14:07:07 EST

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Posted in cond-mat.supr-con · 2026-01-14 · Igor de M. Froldi, Hermann Freire

Highly efficient superconducting diode effect in unconventional $p$-wave magnets

We investigate the emergence of superconducting phases, both with zero and finite Cooper-pair center of mass momenta, in recently proposed unconventional $p$-wave magnets. As a consequence, we find that, while these magnetic phases are in principle compatible with a conventional pairing state at zero field, a Fulde-Ferrell phase can...

💬 0 commentsarXiv:2601.09783v1PDF
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Posted in hep-ph · 2026-01-14 · Kim V. Berghaus, Adrien Florio, M. Laine, Franz R. Sattler

Classical equipartition dynamics between axions and non-Abelian gauge fields

Motivated by axion-like inflation and its warm embedding within the Standard Model, we study the early stages of the energy transfer between an axion condensate and an SU(2) gauge ensemble, by employing non-linear classical real-time lattice simulations. The discretized equations of motion are worked out, elaborating on Gauss...

💬 0 commentsarXiv:2601.09784v2PDF
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Posted in quant-ph · 2026-01-14 · Jan Carlo Schumann, Igor Lesanovsky, Parvinder Solanki

Hierarchical time crystals

Spontaneous symmetry breaking is one of the central organizing principles in physics. Time crystals have emerged as an exotic phase of matter, spontaneously breaking the time translational symmetry, and are mainly categorized as discrete or continuous. While these distinct types of time crystals have been extensively explored as...

💬 0 commentsarXiv:2601.09779v1PDF
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Posted in cond-mat.supr-con · 2026-01-14 · Kazi Ranjibul Islam, Samuel Awelewa, Andrey V. Chubukov, Maxim Dzero

Spatially resolved collective modes in d-wave superconductors

We analyze the dispersion of collective modes in a superconductor with $d-$wave symmetry of the order parameter in the presence of long-range Coulomb interaction. We use diagrammatic technique and quasiclassical theory in Keldysh-Nambu formalism to compute longitudinal and transverse pair susceptibilities and extract from them the...

💬 0 commentsarXiv:2601.09782v1PDF
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Posted in astro-ph.GA · 2026-01-14 · T. J. L. C. Bakx, Hiddo S. B. Algera, Prachi Prajapati, George Bendo, Stefano Berta, Laura Bonavera, Pierre Cox, Joaquin González-Nuevo, Masato Hagimoto, Kevin Harrington, Matthew Lehnert, Stephen Serjeant, Pasquale Temi, Paul van der Werf, Chentao Yang, Gianfranco De Zotti

Breathless BEARS: [O$_{\rm \,III}$] 88$μ$m Emission of Dusty Star-Forming Galaxies at $z = 3-4$

We present [O$_{\rm \,III}$] 88$μ$m observations towards four ${\it Herschel}$-selected dusty star-forming galaxies (DSFGs; log$_{10}$ $μ$L$_{\rm IR}$/L$_{\odot}$ = 13.5 - 14 at $z = 2.9 - 4$) using the Atacama Compact Array (ACA) in Bands 9 and 10. We detect [O$_{\rm \,III}$] emission in all four targets at >3$σ$, finding line...

💬 0 commentsarXiv:2601.09780v1PDF
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Posted in hep-th · 2026-01-14 · Charlie Cummings, Jonathan J. Heckman

The Topological Equivalence Principle: On Decoupling TFTs from Gravity

Topological field theories (TFTs) play an important role in characterizing the deep infrared (IR) of many quantum systems with a mass gap, as well as the global symmetries of quantum field theories (QFTs) decoupled from gravity. In gravitational asymptotically AdS spacetimes, TFT sectors which are putatively decoupled from local...

💬 0 commentsarXiv:2601.09781v1PDF
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Posted in astro-ph.GA · 2026-01-14 · Raphael E. Hviding, Anna de Graaff, Hanpu Liu, Andy D. Goulding, Yilun Ma, Jenny E. Greene, Leindert A. Boogaard, Andrew J. Bunker, Nikko J. Cleri, Marijn Franx, Michaela Hirschmann, Joel Leja, Rohan P. Naidu, Jorryt Matthee, David J. Setton, Hannah Übler, Giacomo Venturi, Bingjie Wang

The X-Ray Dot: Exotic Dust or a Late-Stage Little Red Dot?

JWST's "Little Red Dots" (LRDs) are increasingly interpreted as active galactic nuclei (AGN) obscured by dense thermalized gas rather than dust as evidenced by their X-ray weakness, blackbody-like continua, and Balmer line profiles. A key question is how LRDs connect to standard UV-luminous AGN and whether transitional phases exist...

💬 0 commentsarXiv:2601.09778v1PDF
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Posted in cs.CV · 2026-01-14 · Chi-Pin Huang, Yunze Man, Zhiding Yu, Min-Hung Chen, Jan Kautz, Yu-Chiang Frank Wang, Fu-En Yang

Fast-ThinkAct: Efficient Vision-Language-Action Reasoning via Verbalizable Latent Planning

Vision-Language-Action (VLA) tasks require reasoning over complex visual scenes and executing adaptive actions in dynamic environments. While recent studies on reasoning VLAs show that explicit chain-of-thought (CoT) can improve generalization, they suffer from high inference latency due to lengthy reasoning traces. We propose...

💬 0 commentsarXiv:2601.09708v2PDF
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Posted in hep-th · 2026-01-14 · Marco Maria Baccianti, Lorenz Eberhardt, Sebastian Mizera

Precision asymptotics of string amplitudes

Recent work revealed a tension between the Gross-Mende analysis of the high-energy fixed-angle behavior of string amplitudes and the explicit numerical data. Motivated by this puzzle, we revisit the problem of classifying saddle-point geometries for the one-loop amplitude. We find an infinite family of complex saddles that dominate...

💬 0 commentsarXiv:2601.09707v2PDF
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Posted in cs.CL · 2026-01-14 · Andreea Dutulescu, Stefan Ruseti, Mihai Dascalu

Value-Aware Numerical Representations for Transformer Language Models

Transformer-based language models often achieve strong results on mathematical reasoning benchmarks while remaining fragile on basic numerical understanding and arithmetic operations. A central limitation is that numbers are processed as symbolic tokens whose embeddings do not explicitly encode numerical value, leading to systematic...

💬 0 commentsarXiv:2601.09706v1PDF
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Posted in cond-mat.str-el · 2026-01-14 · Liam A. V. Nagle-Cocco, Andrew L. Goodwin, Clare P. Grey, Siân E. Dutton

Revisiting Jahn--Teller Transitions in Correlated Oxides with Monte Carlo Modeling

Jahn--Teller (JT) distortions are a key driver of physical properties in many correlated oxide materials. Cooperative JT distortions, in which long-range orbital order reduces the symmetry of the average structure macroscopically, are common in JT-distorted materials at low temperatures. This long-range order will often melt on...

💬 0 commentsarXiv:2601.09705v4PDF
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Posted in cs.SE · 2026-01-14 · Sicong Liu, Yanxian Huang, Mingwei Liu, Jiachi Chen, Ensheng Shi, Yuchi Ma, Hongyu Zhang, Yin Zhang, Yanlin Wang

ShortCoder: Knowledge-Augmented Syntax Optimization for Token-Efficient Code Generation

Code generation tasks aim to automate the conversion of user requirements into executable code, significantly reducing manual development efforts and enhancing software productivity. The emergence of large language models (LLMs) has significantly advanced code generation, though their efficiency is still impacted by certain inherent...

💬 0 commentsarXiv:2601.09703v1PDF
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Posted in cs.CC · 2026-01-14 · Baruch Garcia

Diagonalization Without Relativization A Closer Look at the Baker-Gill-Solovay Theorem

We already know that several problems like the inequivalence of P and EXP as well as the undecidability of the acceptance problem and halting problem relativize. However, relativization is a limited tool which cannot separate other complexity classes. What has not been proven explicitly is whether the Turing-recognizability of the...

💬 0 commentsarXiv:2601.09702v1PDF
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Posted in eess.SP · 2026-01-14 · Fahimeh Orvati Nia, Shima Salehi, Joshua Peeples

Evaluating GAN-LSTM for Smart Meter Anomaly Detection in Power Systems

Advanced metering infrastructure (AMI) provides high-resolution electricity consumption data that can enhance monitoring, diagnosis, and decision making in modern power distribution systems. Detecting anomalies in these time-series measurements is challenging due to nonlinear, nonstationary, and multi-scale temporal behavior across...

💬 0 commentsarXiv:2601.09701v1PDF
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Posted in q-bio.NC · 2026-01-14 · Oliver Zahn, Matt Beton, Simran Chana

Attention Is Not Retention: The Orthogonality Constraint in Infinite-Context Architectures

Biological memory solves a problem that eludes current AI: storing specific episodic facts without corrupting general semantic knowledge. Complementary Learning Systems theory explains this through two subsystems - a fast hippocampal system using sparse, pattern-separated representations for episodes, and a slow neocortical system...

💬 0 commentsarXiv:2601.15313v2PDF
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Posted in math.AP · 2026-01-14 · Guillermo García-Sáez

Asymptotics of variational eigenvalues for a general nonlocal $p$-Laplacian with varying horizon

From the recent developing of nonlocal gradients with finite horizon $δ>0$ based on general kernels, we introduce a new nonlocal $p$-Laplacian and study the eigenvalue problem associated with it. Furthermore, by virtue of $Γ$-convergence arguments, we establish stability results of the solutions for varying horizon in the extreme...

💬 0 commentsarXiv:2601.09700v2PDF
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Posted in cs.CV · 2026-01-14 · Ruiqi Shen, Chang Liu, Henghui Ding

SAM3-DMS: Decoupled Memory Selection for Multi-target Video Segmentation of SAM3

Segment Anything 3 (SAM3) has established a powerful foundation that robustly detects, segments, and tracks specified targets in videos. However, in its original implementation, its group-level collective memory selection is suboptimal for complex multi-object scenarios, as it employs a synchronized decision across all concurrent...

💬 0 commentsarXiv:2601.09699v1PDF
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Posted in cs.CV · 2026-01-14 · Tony Danjun Wang, Tolga Birdal, Nassir Navab, Lennart Bastian

COMPOSE: Hypergraph Cover Optimization for Multi-view 3D Human Pose Estimation

3D human pose estimation from sparse multi-view camera rigs is an essential task for numerous applications, including action recognition, sports analysis, and human-robot interaction. While learned methods dominate the field on benchmarks, they require large annotated datasets; training-free optimization-based methods remain promising...

💬 0 commentsarXiv:2601.09698v2PDF
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Posted in cs.CV · 2026-01-14 · Jieying Chen, Jeffrey Hu, Joan Lasenby, Ayush Tewari

Efficient Camera-Controlled Video Generation of Static Scenes via Sparse Diffusion and 3D Rendering

Modern video generative models based on diffusion models can produce very realistic clips, but they are computationally inefficient, often requiring minutes of GPU time for just a few seconds of video. This inefficiency poses a critical barrier to deploying generative video in applications that require real-time interactions, such as...

💬 0 commentsarXiv:2601.09697v1PDF
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Posted in cs.CL · 2026-01-14 · Shan Randhawa, Agha Ali Raza, Kentaro Toyama, Julie Hui, Mustafa Naseem

Empathy Applicability Modeling for General Health Queries

LLMs are increasingly being integrated into clinical workflows, yet they often lack clinical empathy, an essential aspect of effective doctor-patient communication. Existing NLP frameworks focus on reactively labeling empathy in doctors' responses but offer limited support for anticipatory modeling of empathy needs, especially in...

💬 0 commentsarXiv:2601.09696v2PDF
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Posted in cs.SE · 2026-01-14 · Michael Konstantinou, Renzo Degiovanni, Mike Papadakis

How well LLM-based test generation techniques perform with newer LLM versions?

The rapid evolution of Large Language Models (LLMs) has strongly impacted software engineering, leading to a growing number of studies on automated unit test generation. However, the standalone use of LLMs without post-processing has proven insufficient, often producing tests that fail to compile or achieve high coverage. Several...

💬 0 commentsarXiv:2601.09695v1PDF
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Posted in cs.CL · 2026-01-14 · Sai Varun Kodathala, Rakesh Vunnam

LLMs can Compress LLMs: Adaptive Pruning by Agents

As Large Language Models (LLMs) continue to scale, post-training pruning has emerged as a promising approach to reduce computational costs while preserving performance. Existing methods such as SparseGPT and Wanda achieve high sparsity through layer-wise weight reconstruction or activation-aware magnitude pruning, but rely on uniform...

💬 0 commentsarXiv:2601.09694v1PDF
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Posted in cs.LG · 2026-01-14 · Lisa Schneckenreiter, Sohvi Luukkonen, Lukas Friedrich, Daniel Kuhn, Günter Klambauer

Contrastive Geometric Learning Unlocks Unified Structure- and Ligand-Based Drug Design

Structure-based and ligand-based computational drug design have traditionally relied on disjoint data sources and modeling assumptions, limiting their joint use at scale. In this work, we introduce Contrastive Geometric Learning for Unified Computational Drug Design (ConGLUDe), a single contrastive geometric model that unifies...

💬 0 commentsarXiv:2601.09693v3PDF
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Posted in cs.CV · 2026-01-14 · S M Rayeed, Mridul Khurana, Alyson East, Isadora E. Fluck, Elizabeth G. Campolongo, Samuel Stevens, Iuliia Zarubiieva, Scott C. Lowe, Michael W. Denslow, Evan D. Donoso, Jiaman Wu, Michelle Ramirez, Benjamin Baiser, Charles V. Stewart, Paula Mabee, Tanya Berger-Wolf, Anuj Karpatne, Hilmar Lapp, Robert P. Guralnick, Graham W. Taylor, Sydne Record

A continental-scale dataset of ground beetles with high-resolution images and validated morphological trait measurements

Despite the ecological significance of invertebrates, global trait databases remain heavily biased toward vertebrates and plants, limiting comprehensive ecological analyses of high-diversity groups like ground beetles. Ground beetles (Coleoptera: Carabidae) serve as critical bioindicators of ecosystem health, providing valuable...

💬 0 commentsarXiv:2601.10687v1PDF