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Computer Science Preprint PDF DOI

Hot Fixing in the Wild

Carol Hanna, Karine Even-Mendoza, W.B. Langdon, Mar Zamorano Lopez, Justyna Petke, Federica Sarro · 2026

Despite the operational importance of hot fixes, large-scale evidence on how they reshape routine maintenance workflows, particularly in the era of autonomous coding agents, remains limited. We analys…

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Mathematics Preprint PDF DOI

On a group ring identity related to the Alon-Jaeger-Tarsi conjecture

Janos Nagy, Peter Pal Pach · 2026

In this note we formulate a conjecture about two group ring identities and prove that it would imply the Alon-Jaeger-Tarsi conjecture.…

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Mathematics Preprint PDF DOI

Positive mass theorem for initial data sets with arbitrary ends

Tin-Yau Tsang · 2026

We showed a positive energy theorem for asymptotically flat initial data sets with the concept of spectral PSC by He-Shi-Yu, Bi-Hao-He-Shi-Zhu and Brendle-Wang. Then, we proved a quantitative shieldin…

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Computer Science Preprint PDF DOI

PSP: An Interpretable Per-Dimension Accent Benchmark for Indic Text-to-Speech

Venkata Pushpak Teja Menta · 2026

Standard text-to-speech (TTS) evaluation measures intelligibility (WER, CER) and overall naturalness (MOS, UTMOS) but does not quantify accent. A synthesiser may score well on all four yet sound non-n…

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Computer Science Preprint PDF DOI

Praxy Voice: Voice-Prompt Recovery + BUPS for Commercial-Class Indic TTS from a Frozen Non-Indic Base at Zero Commercial-Training-Data Cost

Venkata Pushpak Teja Menta · 2026

Commercial TTS systems produce near-native Indic audio, but the best open-source bases (Chatterbox, Indic Parler-TTS, IndicF5) trail them on measured phonological dimensions, and the most widely adopt…

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AI & Data Science Preprint PDF DOI

COMPASS: COmpact Multi-channel Prior-map And Scene Signature for Floor-Plan-Based Visual Localization

Muhammad Shaheer, Miguel Fernandez-Cortizas, Asier Bikandi-Noya, Holger Voos, Jose Luis Sanchez-Lopez · 2026

Architectural floor plans are widely available priors which contain not only geometry but also the semantic information of the environment, yet existing localization methods largely ignore this semant…

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Computer Science Preprint PDF DOI

Author response to commentaries on H is for Human and How (Not) to Evaluate Qualitative Research in HCI

Andy Crabtree · 2026

This is the authors response to commentaries on the original article H is for Human and How (Not) to Evaluate Qualitative Research in HCI, https://doi.org/10.1080/07370024.2025.2475743 Commentaries we…

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Mathematics Preprint PDF DOI

The minimum number of detours in a connected graph of minimum degree three

Xining Liu, Pu Qiao, Xingzhi Zhan · 2026

A longest path in a graph is called a detour. Denote by $a(k,n)$ the minimum number of detours in a connected graph with minimum degree $k$ and order $n,$ and denote by $b(k,n)$ the minimum odd number…

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AI & Data Science Preprint PDF DOI

LLM-Guided Agentic Floor Plan Parsing for Accessible Indoor Navigation of Blind and Low-Vision People

Aydin Ayanzadeh, Tim Oates · 2026

Indoor navigation remains a critical accessibility challenge for the blind and low-vision (BLV) individuals, as existing solutions rely on costly per-building infrastructure. We present an agentic fra…

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Mathematics Preprint PDF DOI

Chains of model structures arising from cotorsion pairs on extriangulated categories

Dandan Sun, Xiaoyan Yang, Dongdong Zhang, Panyue Zhou, Haiyan Zhu · 2026

The main aim of this paper is to study chains of model structures arising from cotorsion pairs in extriangulated categories. Starting with a hereditary Hovey triple, we construct further hereditary Ho…

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Computer Science Preprint PDF DOI

An Undecidability Proof for the Plan Existence Problem

Antonis Achilleos · 2026

The plan existence problem asks, given a goal in the form of a formula in modal logic, an initial epistemic state (a pointed Kripke model), and a set of epistemic actions, whether there exists a seque…

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Physics Preprint PDF DOI

Thin Film AlN Microbolometer for Very Long-Wave Infrared Detection

Vivek Tallavajhula, Zarko Sakotic, Ian Anderson, Yinan Wang, Daniel Wasserman, Ruochen Lu · 2026

We demonstrate a suspended thin-film aluminum nitride (AlN) microbolometer for narrowband very long-wave infrared detection. The device uses a 100-nm-thick AlN membrane suspended above a Pt back refle…

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Computer Science Preprint PDF DOI

PaperMind: Benchmarking Agentic Reasoning and Critique over Scientific Papers in Multimodal LLMs

Yanjun Zhao, Tianxin Wei, Jiaru Zou, Xuying Ning, Yuanchen Bei, Lingjie Chen, Simmi Rana, Wendy H. Yang, Hanghang Tong, Jingrui He · 2026

Understanding scientific papers requires more than answering isolated questions or summarizing content. It involves an integrated reasoning process that grounds textual and visual information, interpr…

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AI & Data Science Preprint PDF DOI

Mind the Prompt: Self-adaptive Generation of Task Plan Explanations via LLMs

Gricel Vazquez, Alexandros Evangelidis, Sepeedeh Shahbeigi, Radu Calinescu, Simos Gerasimou · 2026

Integrating Large Language Models (LLMs) into complex software systems enables the generation of human-understandable explanations of opaque AI processes, such as automated task planning. However, the…

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Engineering Preprint PDF DOI

ALAS: Adaptive Long-Horizon Action Synthesis via Async-pathway Stream Disentanglement

Yutong Shen, Hangxu Liu, Lei Zhang, Penghui Liu, Yinqi Liu, Liuxiang Yang, Tongtong Feng · 2026

Long-Horizon (LH) tasks in Human-Scene Interaction (HSI) are complex multi-step tasks that require continuous planning, sequential decision-making, and extended execution across domains to achieve the…

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AI & Data Science Preprint PDF DOI

Self-Guided Plan Extraction for Instruction-Following Tasks with Goal-Conditional Reinforcement Learning

Zoya Volovikova, Nikita Sorokin, Dmitriy Lukashevskiy, Aleksandr Panov, Alexey Skrynnik · 2026

We introduce SuperIgor, a framework for instruction-following tasks. Unlike prior methods that rely on predefined subtasks, SuperIgor enables a language model to generate and refine high-level plans t…

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Mathematics Preprint PDF DOI

JAI functional contractions in relational metric spaces

Mihai Turinici · 2026

The 2015 fixed point result on rs-relational metric spaces due to Alam and Imdad [J. Fixed Point Th. Appl., 17 (2015), 693-702] is equivalent with the classical Banach Contraction Principle [Fund. Mat…

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Mathematics Preprint PDF DOI

On Spielman's Laplacian Eigenratio Conjecture and Related Problems

Jie Ma, Quanyu Tang, Yuchang Wang, Zhiheng Zheng · 2026

Let $G$ be an $n$-vertex graph with Laplacian eigenvalues $0=\lambda_1(G)\le \lambda_2(G)\le\cdots\le \lambda_n(G)$. Motivated by the Alon-Boppana bound and the Ramanujan phenomenon for regular graphs…

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AI & Data Science Preprint PDF DOI

LoReC: Rethinking Large Language Models for Graph Data Analysis

Hongyu Zhan, Qixin Wang, Yusen Tan, Haitao Yu, Jingbo Zhou, Shuai Chen, Jia Li, Xiao Tan, Jun Xia · 2026

The advent of Large Language Models (LLMs) has fundamentally reshaped the way we interact with graphs, giving rise to a new paradigm called GraphLLM. As revealed in recent studies, graph learning can …

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AI & Data Science Preprint PDF DOI

SPREG: Structured Plan Repair with Entropy-Guided Test-Time Intervention for Large Language Model Reasoning

Xuan Wang, Yu Ming, Xinhao Zhong, Xinyu Yu, Wenjie Wang, Shuai Chen, Wei Lin · 2026

Large Language Models (LLMs) are prone to logical hallucinations and stochastic drifts during long-chain reasoning. While Classifier-Free Guidance (CFG) can improve instruction adherence, standard sta…

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