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Computer Science

arXiv preprints from January 1, 2026 through July 21, 2026 — 08:01:45 EST

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Posted in cs.CV · 2026-01-13 · Taminul Islam, Toqi Tahamid Sarker, Mohamed Embaby, Khaled R Ahmed, Amer AbuGhazaleh

FUME: Fused Unified Multi-Gas Emission Network for Livestock Rumen Acidosis Detection

Ruminal acidosis is a prevalent metabolic disorder in dairy cattle causing significant economic losses and animal welfare concerns. Current diagnostic methods rely on invasive pH measurement, limiting scalability for continuous monitoring. We present FUME (Fused Unified Multi-gas Emission Network), the first deep learning approach for...

💬 0 commentsarXiv:2601.08205v1PDF
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Posted in cs.CV · 2026-01-13 · Md. Rakibul Hasan Nishat, S. M. Khalid Bin Zahid, Abdul Hasib, T. M. Mehrab Hasan, Mohammad Arman, A. S. M. Ahsanul Sarkar Akib

Design and Development of a Low-Cost Scalable GSM-IoT Smart Pet Feeder with a Remote Mobile Application

Pet ownership is increasingly common in modern households, yet maintaining a consistent feeding schedule remains challenging for the owners particularly those who live in cities and have busy lifestyles. This paper presents the design, development, and validation of a low-cost, scalable GSM-IoT smart pet feeder that enables remote...

💬 0 commentsarXiv:2601.08394v1PDF
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Posted in cs.LG · 2026-01-13 · Tian Xie, Haoming Luo, Haoyu Tang, Yiwen Hu, Jason Klein Liu, Qingnan Ren, Yang Wang, Wayne Xin Zhao, Rui Yan, Bing Su, Chong Luo, Baining Guo

Controlled LLM Training on Spectral Sphere

Scaling large models requires optimization strategies that ensure rapid convergence grounded in stability. Maximal Update Parametrization ($\boldsymbolμ$P) provides a theoretical safeguard for width-invariant $Θ(1)$ activation control, whereas emerging optimizers like Muon are only ``half-aligned'' with these constraints: they control...

💬 0 commentsarXiv:2601.08393v3PDF
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Posted in cs.AI · 2026-01-13 · Corina Chutaux

Creativity in AI as Emergence from Domain-Limited Generative Models

Creativity in artificial intelligence is most often addressed through evaluative frameworks that aim to measure novelty, diversity, or usefulness in generated outputs. While such approaches have provided valuable insights into the behavior of modern generative models, they largely treat creativity as a property to be assessed rather...

💬 0 commentsarXiv:2601.08388v1PDF
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Posted in cs.IT · 2026-01-13 · Paolo Santini

An Efficient Algorithm to Sample Quantum Low-Density Parity-Check Codes

In this paper, we present an efficient algorithm to sample random sparse matrices to be used as check matrices for quantum Low-Density Parity-Check (LDPC) codes. To ease the treatment, we mainly describe our algorithm as a technique to sample a dual-containing binary LDPC code, hence, a sparse matrix $\mathbf H\in\mathbb F_2^{r\times...

💬 0 commentsarXiv:2601.08387v2PDF
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Posted in cs.IT · 2026-01-13 · Yanxiao Liu, Chun Hei Michael Shiu, Lele Wang, Deniz Gündüz

On the Generalization Error of Differentially Private Algorithms via Typicality

We study the generalization error of stochastic learning algorithms from an information-theoretic perspective, with a particular emphasis on deriving sharper bounds for differentially private algorithms. It is well known that the generalization error of stochastic learning algorithms can be bounded in terms of mutual information and...

💬 0 commentsarXiv:2601.08386v3PDF
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Posted in cs.AI · 2026-01-13 · Bo Wang, Junzhuo Li, Hong Chen, Yuanlin Chu, Yuxuan Fan, Xuming Hu

Deconstructing Pre-training: Knowledge Attribution Analysis in MoE and Dense Models

Mixture-of-Experts (MoE) architectures decouple model capacity from per-token computation, enabling scaling beyond the computational limits imposed by dense scaling laws. Yet how MoE architectures shape knowledge acquisition during pre-training, and how this process differs from dense architectures, remains unknown. To address this...

💬 0 commentsarXiv:2601.08383v1PDF
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Posted in cs.AI · 2026-01-13 · Zoe Falomir

A Qualitative Model to Reason about Object Rotations (QOR) applied to solve the Cube Comparison Test (CCT)

This paper presents a Qualitative model for Reasoning about Object Rotations (QOR) which is applied to solve the Cube Comparison Test (CCT) by Ekstrom et al. (1976). A conceptual neighborhood graph relating the Rotation movement to the Location change and the Orientation change (CNGRLO) of the features on the cube sides has been built...

💬 0 commentsarXiv:2601.08382v2PDF
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Posted in cs.AI · 2026-01-13 · Mary Webb, Matt Bower, Ana Amélia Carvalho, Fredrik Mørk Røkenes, Jodie Torrington, Jonathan D. Cohen, Yousra Chtouki, Kathryn Maccallum, Tanya Linden, Deirdre Butler, Juliana Elisa Raffaghelli, Henriikka Vartiainen, Martina Ronci, Peter Tiernan, David M. Smith, Chris Shelton, Joyce Malyn-smith, Pierre Gorissen

Thematic Working Group 5 -- Artificial Intelligence (AI) literacy for teaching and learning: design and implementation

TWG 5 focused on developing and implementing effective strategies for enhancing AI literacy and agency of teachers, equipping them with the knowledge and skills necessary to integrate AI into their teaching practices. Explorations covered curriculum design, professional development programs, practical classroom applications, and...

💬 0 commentsarXiv:2601.08380v1PDF
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Posted in cs.LG · 2026-01-13 · Matina Mahdizadeh Sani, Nima Jamali, Mohammad Jalali, Farzan Farnia

MMD Guidance: Training-Free Distribution Adaptation for Diffusion Models via Maximum Mean Discrepancy Guidance

Pre-trained diffusion models have emerged as powerful generative priors for both unconditional and conditional sample generation, yet their outputs often deviate from the characteristics of user-specific target data. Such mismatches are especially problematic in domain adaptation tasks, where only a few reference examples are...

💬 0 commentsarXiv:2601.08379v2PDF
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Posted in cs.CV · 2026-01-13 · Yuan Gao, Di Cao, Xiaohuan Xi, Sheng Nie, Shaobo Xia, Cheng Wang

Source-Free Domain Adaptation for Geospatial Point Cloud Semantic Segmentation

Semantic segmentation of 3D geospatial point clouds is fundamental to remote sensing applications, yet domain shifts caused by regional and acquisition-related variations often degrade model performance. Although domain adaptation can mitigate such shifts, existing methods typically require access to source-domain data, which is often...

💬 0 commentsarXiv:2601.08375v2PDF
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Posted in cs.DC · 2026-01-13 · Dali Chang, Chong Zhang, Kaiqi Zhang, Mingguan Yang, Huiyuan Li, Weiqiang Kong

Shifting the Sweet Spot: High-Performance Matrix-Free Method for High-Order Elasticity

MFEM is a widely used finite-element library, but its native linear-elasticity Partial Assembly (PA) path still applies an $O((p+1)^6)$ contraction in the element operator, leaving the CPU operator-throughput sweet spot near $p\approx 2$ in our baseline measurements. This work closes this implementation gap for MFEM linear elasticity...

💬 0 commentsarXiv:2601.08374v2PDF
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Posted in cs.CV · 2026-01-13 · Anastasios Tsalakopoulos, Angelos Kanlis, Evangelos Chatzis, Antonis Karakottas, Dimitrios Zarpalas

Geo-NVS-w: Geometry-Aware Novel View Synthesis In-the-Wild with an SDF Renderer

We introduce Geo-NVS-w, a geometry-aware framework for high-fidelity novel view synthesis from unstructured, in-the-wild image collections. While existing in-the-wild methods already excel at novel view synthesis, they often lack geometric grounding on complex surfaces, sometimes producing results that contain inconsistencies....

💬 0 commentsarXiv:2601.08371v1PDF
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Posted in cs.AR · 2026-01-13 · Marie Bolzer, Sébastien Duval, Marine Minier

A New Tool to Find Lightweight (And, Xor) Implementations of Quadratic Vectorial Boolean Functions up to Dimension 9

The problem of finding a minimal circuit to implement a given function is one of the oldest in electronics. It is known to be NP-hard. Still, many tools exist to find sub-optimal circuits to implement a function. In electronics, such tools are known as synthesisers. However, these synthesisers aim to implement very large functions (a...

💬 0 commentsarXiv:2601.08368v1PDF
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Posted in cs.IR · 2026-01-13 · Ziyang Zeng, Dun Zhang, Yu Yan, Xu Sun, Cuiqiaoshu Pan, Yudong Zhou, Yuqing Yang

PosIR: Position-Aware Heterogeneous Information Retrieval Benchmark

In real-world documents, the information relevant to a user query may reside anywhere from the beginning to the end. This makes position bias -- a systematic tendency of retrieval models to favor or neglect content based on its location -- a critical concern. Although recent studies have identified such bias, existing analyses focus...

💬 0 commentsarXiv:2601.08363v2PDF
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Posted in cs.IR · 2026-01-13 · Adithya Parthasarathy, Aswathnarayan Muthukrishnan Kirubakaran, Vinoth Punniyamoorthy, Nachiappan Chockalingam, Lokesh Butra, Kabilan Kannan, Abhirup Mazumder, Sumit Saha

Scalable Sequential Recommendation under Latency and Memory Constraints

Sequential recommender systems must model long-range user behavior while operating under strict memory and latency constraints. Transformer-based approaches achieve strong accuracy but suffer from quadratic attention complexity, forcing aggressive truncation of user histories and limiting their practicality for long-horizon modeling....

💬 0 commentsarXiv:2601.08360v2PDF
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Posted in cs.LG · 2026-01-13 · Hilde I. Hummel, Sandjai Bhulai, Rob D. van der Mei, Burooj Ghani

Decodable but not structured: linear probing enables Underwater Acoustic Target Recognition with pretrained audio embeddings

Increasing levels of anthropogenic noise from ships contribute significantly to underwater sound pollution, posing risks to marine ecosystems. This makes monitoring crucial to understand and quantify the impact of the ship radiated noise. Passive Acoustic Monitoring (PAM) systems are widely deployed for this purpose, generating years...

💬 0 commentsarXiv:2601.08358v1PDF
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Posted in cs.IT · 2026-01-13 · Chongjia Sun, Ziwei Wan, Lipeng Zhu, Zhenyu Xiao, Zhen Gao, Rui Zhang

Movable Antenna for Integrating Near-field Channel Estimation and Localization

Movable antenna (MA) introduces a new degree of freedom for future wireless communication systems by enabling the adaptive adjustment of antenna positions. Its large-range movement renders wireless channels transmission into the near-field region, which brings new performance enhancement for integrated sensing and communication...

💬 0 commentsarXiv:2601.08357v1PDF
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Posted in cs.CV · 2026-01-13 · Guo Cheng

Semantic Misalignment in Vision-Language Models under Perceptual Degradation

Vision-Language Models (VLMs) are increasingly deployed in autonomous driving and embodied AI systems, where reliable perception is critical for safe semantic reasoning and decision-making. While recent VLMs demonstrate strong performance on multimodal benchmarks, their robustness to realistic perception degradation remains poorly...

💬 0 commentsarXiv:2601.08355v2PDF
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Posted in cs.CC · 2026-01-13 · Mateus de Oliveira Oliveira, Wim Van den Broeck

Symbolic Functional Decomposition: A Reconfiguration Approach

Functional decomposition is the process of breaking down a function $f$ into a composition $f=g(f_1,\dots,f_k)$ of simpler functions $f_1,\dots,f_k$ belonging to some class $\mathcal{F}$. This fundamental notion can be used to model applications arising in a wide variety of contexts, ranging from machine learning to formal language...

💬 0 commentsarXiv:2601.08354v1PDF
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Posted in cs.IR · 2026-01-13 · Piotr Bajger, Roman Dusek, Krzysztof Galias, Paweł Młyniec, Aleksander Wawer, Paweł Zawistowski

MLPlatt: Simple Calibration Framework for Ranking Models

Ranking models are extensively used in e-commerce for relevance estimation. These models often suffer from poor interpretability and no scale calibration, particularly when trained with typical ranking loss functions. This paper addresses the problem of post-hoc calibration of ranking models. We introduce MLPlatt: a simple yet...

💬 0 commentsarXiv:2601.08345v1PDF
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Posted in cs.MA · 2026-01-13 · Sichu Liang, Zhenglin Wang, Jiajia Chu, Pengfei Xia, Hui Zang, Deyu Zhou

When KV Cache Reuse Fails in Multi-Agent Systems: Cross-Candidate Interaction is Crucial for LLM Judges

Multi-agent LLM systems routinely generate multiple candidate responses that are aggregated by an LLM judge. To reduce the dominant prefill cost in such pipelines, recent work advocates KV cache reuse across partially shared contexts and reports substantial speedups for generation agents. In this work, we show that these efficiency...

💬 0 commentsarXiv:2601.08343v1PDF
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Posted in cs.CL · 2026-01-13 · Run Chen, Wen Liang, Ziwei Gong, Lin Ai, Julia Hirschberg

Detecting Mental Manipulation in Speech via Synthetic Multi-Speaker Dialogue

Mental manipulation, the strategic use of language to covertly influence or exploit others, is a newly emerging task in computational social reasoning. Prior work has focused exclusively on textual conversations, overlooking how manipulative tactics manifest in speech. We present the first study of mental manipulation detection in...

💬 0 commentsarXiv:2601.08342v1PDF
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Posted in cs.CV · 2026-01-13 · Chunyu Meng, Wei Long, Shuhang Gu

From Local Windows to Adaptive Candidates via Individualized Exploratory: Rethinking Attention for Image Super-Resolution

Single Image Super-Resolution (SISR) is a fundamental computer vision task that aims to reconstruct a high-resolution (HR) image from a low-resolution (LR) input. Transformer-based methods have achieved remarkable performance by modeling long-range dependencies in degraded images. However, their feature-intensive attention computation...

💬 0 commentsarXiv:2601.08341v2PDF
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Posted in cs.DL · 2026-01-13 · Dorothea Strecker, Heinz Pampel, Jonas Höfting

Pursuing transparency: How research performing organizations in Germany collect data on publication costs

This article presents the results of a survey conducted in 2024 among research performing organizations (RPOs) in Germany on how they collect data on publication costs. Of the 583 invitees, 258 (44.3%) completed the questionnaire. This survey is the first comprehensive study on the recording of publication costs at RPOs in Germany....

💬 0 commentsarXiv:2601.08340v2PDF