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arXiv preprints from January 1, 2026 through July 28, 2026 — 18:36:19 EST

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Posted in cs.CL · 2026-01-12 · Tianyu Liu, Qitan Lv, Yuhao Shen, Xiao Sun, Xiaoyan Sun

TALON: Confidence-Aware Speculative Decoding with Adaptive Token Trees

Speculative decoding (SD) has become a standard technique for accelerating LLM inference without sacrificing output quality. Recent advances in speculative decoding have shifted from sequential chain-based drafting to tree-structured generation, where the draft model constructs a tree of candidate tokens to explore multiple possible...

💬 0 commentsarXiv:2601.07353v1PDF
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Posted in math.RT · 2026-01-12 · Shun-Jie Li, Yang Gao, Pu Zhang

Homotopy categories of admissible model structures on extriangulated categories

The extriangulated category is a simultaneous generalization of exact categories and triangulated categories. H. Nakaoka and Y. Palu have proved that the homotopy category of an admissible model structure on a weakly idempotent complete extriangulated category is a triangulated category. Using the classic construction of distinguished...

💬 0 commentsarXiv:2601.07352v1PDF
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Posted in cs.CL · 2026-01-12 · Linhao Zhong, Linyu Wu, Bozhen Fang, Tianjian Feng, Chenchen Jing, Wen Wang, Jiaheng Zhang, Hao Chen, Chunhua Shen

Beyond Hard Masks: Progressive Token Evolution for Diffusion Language Models

Diffusion Language Models (DLMs) offer a promising alternative for language modeling by enabling parallel decoding through iterative refinement. However, most DLMs rely on hard binary masking and discrete token assignments, which hinder the revision of early decisions and underutilize intermediate probabilistic representations. In...

💬 0 commentsarXiv:2601.07351v2PDF
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Posted in math-ph · 2026-01-12 · Markus B. Fröb, Albert Much, Kyriakos Papadopoulos

A proposal for the algebra of a novel noncommutative spacetime

We investigate the quantum structure of spacetime at fundamental scales via a novel, Lorentz-invariant noncommutative coordinate framework. Building on insights from noncommutative geometry, spectral theory, and algebraic quantum field theory, we systematically construct a quantum spacetime algebra whose geometric and causal...

💬 0 commentsarXiv:2601.07350v1PDF
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Posted in cs.CL · 2026-01-12 · Zongqi Wang, Rui Wang, Yuchuan Wu, Yiyao Yu, Pinyi Zhang, Shaoning Sun, Yujiu Yang, Yongbin Li

Reward Modeling from Natural Language Human Feedback

Reinforcement Learning with Verifiable reward (RLVR) on preference data has become the mainstream approach for training Generative Reward Models (GRMs). Typically in pairwise rewarding tasks, GRMs generate reasoning chains ending with critiques and preference labels, and RLVR then relies on the correctness of the preference labels as...

💬 0 commentsarXiv:2601.07349v3PDF
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Posted in cs.CL · 2026-01-12 · Tu Hu, Ronghao Chen, Shuo Zhang, Jianghao Yin, Mou Xiao Feng, Jingping Liu, Shaolei Zhang, Wenqi Jiang, Yuqi Fang, Sen Hu, Huacan Wang, Yi Xu

Controlled Self-Evolution for Algorithmic Code Optimization

Self-evolution methods enhance code generation through iterative "generate-verify-refine" cycles, yet existing approaches suffer from low exploration efficiency, failing to discover solutions with superior complexity within limited budgets. This inefficiency stems from initialization bias trapping evolution in poor solution regions,...

💬 0 commentsarXiv:2601.07348v5PDF
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Posted in cs.CL · 2026-01-12 · Shaokai He, Kaiwen Wei, Xinyi Zeng, Xiang Chen, Xue Yang, Zhenyang Li, Jiang Zhong, Yu Tian

DiffER: Diffusion Entity-Relation Modeling for Reversal Curse in Diffusion Large Language Models

The "reversal curse" refers to the phenomenon where large language models (LLMs) exhibit predominantly unidirectional behavior when processing logically bidirectional relationships. Prior work attributed this to autoregressive training -- predicting the next token inherently favors left-to-right information flow over genuine...

💬 0 commentsarXiv:2601.07347v1PDF
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Posted in math.CO · 2026-01-12 · Yongbin Gao, Ligong Wang

Distance spectral radius conditions for edge-disjoint spanning trees and a forest with constraints

Let $k\ge 2$ be a positive integer and let $G$ be a simple graph of order $n$ with minimum degree $δ$. A graph $G$ is said to have property $P(k, d)$ if it contains $k$ edge-disjoint spanning trees and an additional forest $F$ with edge number $|E(F)| > \frac{d-1}{d}(n-1)$, such that if $F$ is not a spanning tree, then $F$ has a...

💬 0 commentsarXiv:2601.07895v1PDF
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Posted in cs.RO · 2026-01-12 · Mengyun Liu, Shanshan Huang, Jianan Jiang

EdgeNav-QE: QLoRA Quantization and Dynamic Early Exit for LAM-based Navigation on Edge Devices

Large Action Models (LAMs) have shown immense potential in autonomous navigation by bridging high-level reasoning with low-level control. However, deploying these multi-billion parameter models on edge devices remains a significant challenge due to memory constraints and latency requirements. In this paper, we propose EdgeNav-QE, a...

💬 0 commentsarXiv:2602.15836v1PDF
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Posted in cond-mat.stat-mech · 2026-01-12 · Zheng Zhou, Xu-Yang Hou, Hao Guo

Curvature-driven shifts of the Potts transition on spherical Fibonacci graphs: a graph-convolutional transfer-learning study

We investigate the ferromagnetic $q$-state Potts model on spherical Fibonacci graphs. These graphs are constructed by embedding quasi-uniform sites on a sphere and defining interactions via a chord-distance cutoff chosen to yield a network approximating four-neighbor connectivity. By combining Swendsen-Wang cluster Monte Carlo...

💬 0 commentsarXiv:2601.07346v1PDF
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Posted in astro-ph.CO · 2026-01-12 · Ze-fan Wang, Lei Lei, Yi-zhong Fan

New $H(z)$ measurement at Redshift = 0.12 with DESI Data Release 1

The Hubble parameter ($H(z)$) is a function of the redshift and a reliable measurement is very important to understand the expansion history of the Universe. In this work, we perform full-spectrum fitting using BAGPIPES on more than four thousand massive, passively evolving galaxies released by the DESI collaboration to estimate their...

💬 0 commentsarXiv:2601.07345v2PDF
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Posted in cs.CV · 2026-01-12 · Jiao Xu, Junwei Liu, Jiangwei Lao, Qi Zhu, Yunpeng Zhao, Congyun Jin, Shinan Liu, Zhihong Lu, Lihe Zhang, Xin Chen, Jian Wang, Ping Wang

PulseMind: A Multi-Modal Medical Model for Real-World Clinical Diagnosis

Recent advances in medical multi-modal models focus on specialized image analysis like dermatology, pathology, or radiology. However, they do not fully capture the complexity of real-world clinical diagnostics, which involve heterogeneous inputs and require ongoing contextual understanding during patient-physician interactions. To...

💬 0 commentsarXiv:2601.07344v1PDF
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Posted in physics.geo-ph · 2026-01-12 · Li Fengfeng, Feng Zhou, Wu Hongliang, Zhang Hao, Tian Han, Liu Peng, Yuan Lixin

Mud-Standoff Effect Correction Based on Open-Short Calibration and Resistivity Consistency-Constrained Iterative Inversion for Oil-Based Mud Imagers

We propose a mud-standoff effect correction method and a set of approximate apparent resistivity inversion methods suitable for oil-based mud micro-resistivity imaging logging. To calibrate the influence of the mud layer on electrode measurement signals, this study integrates the Open-Short calibration(OSC) method with the three-layer...

💬 0 commentsarXiv:2601.07343v1PDF
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Posted in cs.AI · 2026-01-12 · Nicolas Tacheny

Agentic Diagnostic Reasoning over Telecom and Datacenter Infrastructure

Large-scale telecom and datacenter infrastructures rely on multi-layered service and resource models, where failures propagate across physical and logical components and affect multiple customers. Traditional approaches to root cause analysis(RCA) rely on hard-coded graph traversal algorithms or rule-based correlation engines, which...

💬 0 commentsarXiv:2601.07342v1PDF
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Posted in cs.LG · 2026-01-12 · Xin Dai, Pengcheng Huang, Zhenghao Liu, Shuo Wang, Yukun Yan, Chaojun Xiao, Yu Gu, Ge Yu, Maosong Sun

Revealing the Attention Floating Mechanism in Masked Diffusion Models

Masked diffusion models (MDMs), which leverage bidirectional attention and a denoising process, are narrowing the performance gap with autoregressive models (ARMs). However, their internal attention mechanisms remain under-explored. This paper investigates the attention behaviors in MDMs, revealing the phenomenon of Attention...

💬 0 commentsarXiv:2601.07894v1PDF
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Posted in math.AP · 2026-01-12 · Rupert L. Frank, Simon Larson

Uniform bounds for Neumann heat kernels and their traces in convex sets

We prove a bound on the heat trace of the Neumann Laplacian on a convex domain that captures the first two terms in its small-time expansion, but is valid for all times and depends on the underlying domain only through very simple geometric characteristics. This is proved via a precise and uniform expansion of the on-diagonal heat...

💬 0 commentsarXiv:2601.07341v1PDF
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Posted in quant-ph · 2026-01-12 · Victoria Motsch, Nikolai Bolik, Sandro Wimberger

Impact of Boundary Conditions on the Double-Kicked Quantum Rotor

We study the on-resonance Spin-1/2 Double Kicked Rotor, a periodically driven quantum system that hosts topological phases. Motivated by experimental constraints, we analyze the effects of open and periodic boundary conditions in contrast to the idealized case of infinite momentum space. As a bulk probe for topological invariants, we...

💬 0 commentsarXiv:2601.07339v1PDF
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Posted in math.CO · 2026-01-12 · Yongbin Gao, Ligong Wang

Laplacian eigenvalue conditions for edge-disjoint spanning trees and a forest with constraints

Let $k$ be a positive integer and let $G$ be a simple graph of order $n$ with minimum degree $δ$. A graph $G$ is said to have property $P(k, d)$ if it contains $k$ edge-disjoint spanning trees and an additional forest $F$ with edge number $|E(F)| > \frac{d-1}{d}(|V(G)| - 1)$, such that if $F$ is not a spanning tree, then $F$ has a...

💬 0 commentsarXiv:2601.07893v1PDF
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Posted in cs.CL · 2026-01-12 · Yanzhi Tian, Cunxiang Wang, Zeming Liu, Heyan Huang, Wenbo Yu, Dawei Song, Jie Tang, Yuhang Guo

Beyond Literal Mapping: Benchmarking and Improving Non-Literal Translation Evaluation

Large Language Models (LLMs) have significantly advanced Machine Translation (MT), applying them to linguistically complex domains-such as Social Network Services, literature etc. In these scenarios, translations often require handling non-literal expressions, leading to the inaccuracy of MT metrics. To systematically investigate the...

💬 0 commentsarXiv:2601.07338v2PDF
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Posted in cs.DM · 2026-01-12 · Alexander Karpov, Klas Markstrom, Soren Riis, Bei Zhou

Improved lower bounds for the maximum size of Condorcet domains

Condorcet domains are sets of linear orders with the property that, whenever voters' preferences are restricted to the domain, the pairwise majority relation (for an odd number of voters) is transitive and hence a linear order. Determining the maximum size of a Condorcet domain, sometimes under additional constraints, has been a...

💬 0 commentsarXiv:2601.07336v1PDF
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Posted in astro-ph.HE · 2026-01-12 · Arghajit Jana, Claudio Ricci, Alessia Tortosa, George Dimopoulos, Benny Trakhtenbrot, Franz E. Bauer, Matthew J. Temple, Michael Koss, Kriti Kamal Gupta, Hsian-Kuang Chang, Yaherlyn Diaz, Dragana Illic, Kristína Kallová, Elena Shablovinskaya

Multi-wavelength properties of changing-state active galactic nuclei: I. the evolution of soft excess and X-ray continuum

Changing-state active galactic nuclei (CSAGNs) exhibit rapid variability, with mass accretion rates that can change by several orders of magnitude in a few years. This provides us with a unique opportunity to study the evolution of the inner accretion flow almost in real time. Here, we used over 1000 observations to study the...

💬 0 commentsarXiv:2601.07337v3PDF
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Posted in cs.CV · 2026-01-12 · Mohit Jaiswal, Naman Jain, Shivani Pathak, Mainak Singha, Nikunja Bihari Kar, Ankit Jha, Biplab Banerjee

Reconstruction Guided Few-shot Network For Remote Sensing Image Classification

Few-shot remote sensing image classification is challenging due to limited labeled samples and high variability in land-cover types. We propose a reconstruction-guided few-shot network (RGFS-Net) that enhances generalization to unseen classes while preserving consistency for seen categories. Our method incorporates a masked image...

💬 0 commentsarXiv:2601.07335v1PDF
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Posted in cs.CR · 2026-01-12 · Emre Balci, Timucin Aydede, Gorkem Yilmaz, Ece Gelal Soyak

Examining the Effectiveness of Transformer-Based Smart Contract Vulnerability Scan

Smart contract technology facilitates self-executing agreements on the blockchain, eliminating dependency on an external trusted authority. However, smart contracts may expose vulnerabilities that can lead to financial losses and disruptions in decentralized applications. In this work, we evaluate deep learning-based approaches for...

💬 0 commentsarXiv:2601.07334v1PDF
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Posted in cs.CV · 2026-01-12 · Tessa Pulli, Jean-Baptiste Weibel, Peter Hönig, Matthias Hirschmanner, Markus Vincze, Andreas Holzinger

OSCAR: Open-Set CAD Retrieval from a Language Prompt and a Single Image

6D object pose estimation plays a crucial role in scene understanding for applications such as robotics and augmented reality. To support the needs of ever-changing object sets in such context, modern zero-shot object pose estimators were developed to not require object-specific training but only rely on CAD models. Such models are...

💬 0 commentsarXiv:2601.07333v1PDF