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Computer Science

arXiv preprints from January 1, 2026 through July 28, 2026 — 08:04:19 EST

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Posted in cs.LG · 2026-01-05 · Bahareh Golchin, Banafsheh Rekabdar, Danielle Justo

LLM-Enhanced Reinforcement Learning for Time Series Anomaly Detection

Detecting anomalies in time series data is crucial for finance, healthcare, sensor networks, and industrial monitoring applications. However, time series anomaly detection often suffers from sparse labels, complex temporal patterns, and costly expert annotation. We propose a unified framework that integrates Large Language Model...

💬 0 commentsarXiv:2601.02511v1PDF
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Posted in cs.LG · 2026-01-05 · Fabio Cumbo, Kabir Dhillon, Daniel Blankenberg

hdlib 2.0: Extending Machine Learning Capabilities of Vector-Symbolic Architectures

Following the initial publication of hdlib, a Python library for designing Vector-Symbolic Architectures (VSA), we introduce a major extension that significantly enhances its machine learning capabilities. VSA, also known as Hyperdimensional Computing, is a computing paradigm that represents and processes information using...

💬 0 commentsarXiv:2601.02509v1PDF
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Posted in cs.RO · 2026-01-05 · Jiazhen Liu, Glen Neville, Jinwoo Park, Sonia Chernova, Harish Ravichandar

Learning and Optimizing the Efficacy of Spatio-Temporal Task Allocation under Temporal and Resource Constraints

Complex multi-robot missions often require heterogeneous teams to jointly optimize task allocation, scheduling, and path planning to improve team performance under strict constraints. We formalize these complexities into a new class of problems, dubbed Spatio-Temporal Efficacy-optimized Allocation for Multi-robot systems (STEAM)....

💬 0 commentsarXiv:2601.02505v1PDF
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Posted in cs.SE · 2026-01-05 · Elizaveta Artser, Daniil Karol, Anna Potriasaeva, Aleksei Rostovskii, Katsiaryna Dzialets, Ekaterina Koshchenko, Xiaotian Su, April Yi Wang, Anastasiia Birillo

Enhancing Debugging Skills with AI-Powered Assistance: A Real-Time Tool for Debugging Support

Debugging is a crucial skill in programming education and software development, yet it is often overlooked in CS curricula. To address this, we introduce an AI-powered debugging assistant integrated into an IDE. It offers real-time support by analyzing code, suggesting breakpoints, and providing contextual hints. Using RAG with LLMs,...

💬 0 commentsarXiv:2601.02504v1PDF
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Posted in cs.LG · 2026-01-05 · Brian Tekmen, Jason Yin, Qianqian Tong

GEM-Style Constraints for PEFT with Dual Gradient Projection in LoRA

Full fine-tuning of Large Language Models (LLMs) is computationally costly, motivating Continual Learning (CL) approaches that utilize parameter-efficient adapters. We revisit Gradient Episodic Memory (GEM) within the Low-Rank Adapter (LoRA) subspace and introduce I-GEM: a fixed-budget, GPU-resident dual projected-gradient...

💬 0 commentsarXiv:2601.02500v1PDF
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Posted in cs.LG · 2026-01-05 · Xingyu Xu, Ziyi Zhang, Yorie Nakahira, Guannan Qu, Yuejie Chi

Polynomial Convergence of Riemannian Diffusion Models

Diffusion models have demonstrated remarkable empirical success in the recent years and are considered one of the state-of-the-art generative models in modern AI. These models consist of a forward process, which gradually diffuses the data distribution to a noise distribution spanning the whole space, and a backward process, which...

💬 0 commentsarXiv:2601.02499v1PDF
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Posted in cs.CR · 2026-01-05 · Sergio Demian Lerner

APoW: Auditable Proof-of-Work Against Block Withholding Attacks

We introduce Auditable Proof-of-Work (APoW), a novel proof-of-work (PoW) construction inspired by Hashcash-style nonce searching, which enables the auditing of other miners' work through accountable re-scanning of the nonce space. The proposed scheme allows a miner to probabilistically attest to having searched specified regions of...

💬 0 commentsarXiv:2601.02496v2PDF
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Posted in cs.LG · 2026-01-05 · Yazan Obeidi, Amir Sarfi, Joel Lidin, Paul Janson, Eugene Belilovsky

Heterogeneous Low-Bandwidth Pre-Training of LLMs

Pre-training large language models (LLMs) increasingly requires distributed compute, yet bandwidth constraints make it difficult to scale beyond well-provisioned datacenters-especially when model parallelism forces frequent, large inter-device communications. We study whether SparseLoCo, a low-communication data parallel method based...

💬 0 commentsarXiv:2601.02360v1PDF
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Posted in cs.CV · 2026-01-05 · Kaede Shiohara, Toshihiko Yamasaki, Vladislav Golyanik

ExposeAnyone: Personalized Audio-to-Expression Diffusion Models Are Robust Zero-Shot Face Forgery Detectors

Detecting unknown deepfake manipulations remains one of the most challenging problems in face forgery detection. Current state-of-the-art approaches fail to generalize to unseen manipulations, as they primarily rely on supervised training with existing deepfakes or pseudo-fakes, which leads to overfitting to specific forgery patterns....

💬 0 commentsarXiv:2601.02359v1PDF
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Posted in cs.CV · 2026-01-05 · Junyi Chen, Tong He, Zhoujie Fu, Pengfei Wan, Kun Gai, Weicai Ye

VINO: A Unified Visual Generator with Interleaved OmniModal Context

We present VINO, a unified visual generator that performs image and video generation and editing within a single framework. Instead of relying on task-specific models or independent modules for each modality, VINO uses a shared diffusion backbone that conditions on text, images and videos, enabling a broad range of visual creation and...

💬 0 commentsarXiv:2601.02358v2PDF
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Posted in cs.CV · 2026-01-05 · Souhail Hadgi, Bingchen Gong, Ramana Sundararaman, Emery Pierson, Lei Li, Peter Wonka, Maks Ovsjanikov

PatchAlign3D: Local Feature Alignment for Dense 3D Shape understanding

Current foundation models for 3D shapes excel at global tasks (retrieval, classification) but transfer poorly to local part-level reasoning. Recent approaches leverage vision and language foundation models to directly solve dense tasks through multi-view renderings and text queries. While promising, these pipelines require expensive...

💬 0 commentsarXiv:2601.02457v1PDF
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Posted in cs.CV · 2026-01-05 · Jing Tan, Zhaoyang Zhang, Yantao Shen, Jiarui Cai, Shuo Yang, Jiajun Wu, Wei Xia, Zhuowen Tu, Stefano Soatto

Talk2Move: Reinforcement Learning for Text-Instructed Object-Level Geometric Transformation in Scenes

We introduce Talk2Move, a reinforcement learning (RL) based diffusion framework for text-instructed spatial transformation of objects within scenes. Spatially manipulating objects in a scene through natural language poses a challenge for multimodal generation systems. While existing text-based manipulation methods can adjust...

💬 0 commentsarXiv:2601.02356v2PDF
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Posted in cs.CV · 2026-01-05 · Mohammed Mudassir Uddin, Shahnawaz Alam, Mohammed Kaif Pasha, Dr Tasneem Bano Rehman, Dr Fahmina Taranum, Afroze Begum

Meta-Learning Guided Pruning for Few-Shot Plant Pathology on Edge Devices

Farmers in remote areas need quick and reliable methods for identifying plant diseases, yet they often lack access to laboratories or high-performance computing resources. Deep learning models can detect diseases from leaf images with high accuracy, but these models are typically too large and computationally expensive to run on...

💬 0 commentsarXiv:2601.02353v3PDF
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Posted in cs.RO · 2026-01-05 · Junhao Cai, Zetao Cai, Jiafei Cao, Yilun Chen, Zeyu He, Lei Jiang, Hang Li, Hengjie Li, Yang Li, Yufei Liu, Yanan Lu, Qi Lv, Haoxiang Ma, Jiangmiao Pang, Yu Qiao, Zherui Qiu, Yanqing Shen, Xu Shi, Yang Tian, Bolun Wang, Hanqing Wang, Jiaheng Wang, Tai Wang, Xueyuan Wei, Chao Wu, Yiman Xie, Boyang Xing, Yuqiang Yang, Yuyin Yang, Qiaojun Yu, Feng Yuan, Jia Zeng, Jingjing Zhang, Shenghan Zhang, Shi Zhang, Zhuoma Zhaxi, Bowen Zhou, Yuanzhen Zhou, Yunsong Zhou, Hongrui Zhu, Yangkun Zhu, Yuchen Zhu

InternVLA-A1: Unifying Understanding, Generation and Action for Robotic Manipulation

Prevalent Vision-Language-Action (VLA) models are typically built upon Multimodal Large Language Models (MLLMs) and demonstrate exceptional proficiency in semantic understanding, but they inherently lack the capability to deduce physical world dynamics. Consequently, recent approaches have shifted toward World Models, typically...

💬 0 commentsarXiv:2601.02456v2PDF
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Posted in cs.CE · 2026-01-05 · Meznah Aloqalaa, Stian Soiland-Reyes, Carole Goble

PRIMAD-LID: A Developed Framework for Computational Reproducibility

Over the past decade alongside increased focus on computational reproducibility significant efforts have been made to define reproducibility. However, these definitions provide a textual description rather than a framework. The community has sought conceptual frameworks that identify all factors that must be controlled and described...

💬 0 commentsarXiv:2601.02349v1PDF
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Posted in cs.SD · 2026-01-05 · Xinyu Wang, Ziyu Zhao, Yajie Luo, Yihong Wu, Liheng Ma, Jingrui Tian, Lei Ding, Xiao-Wen Chang, Peng Lu

Diagnostic-Driven Layer-Wise Compensation for Post-Training Quantization of Encoder-Decoder ASR Models

Deploying Automatic Speech Recognition (ASR) models on memory-constrained edge devices requires aggressive low-bit weight quantization. Layer-wise post-training quantization is practical and effective, but it suffers from cross-layer error accumulation. Existing compensation methods typically use a single global strength for all...

💬 0 commentsarXiv:2601.02455v2PDF
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Posted in cs.AI · 2026-01-05 · Falcon LLM Team, Iheb Chaabane, Puneesh Khanna, Suhail Mohmad, Slim Frikha, Shi Hu, Abdalgader Abubaker, Reda Alami, Mikhail Lubinets, Mohamed El Amine Seddik, Hakim Hacid

Falcon-H1R: Pushing the Reasoning Frontiers with a Hybrid Model for Efficient Test-Time Scaling

This work introduces Falcon-H1R, a 7B-parameter reasoning-optimized model that establishes the feasibility of achieving competitive reasoning performance with small language models (SLMs). Falcon-H1R stands out for its parameter efficiency, consistently matching or outperforming SOTA reasoning models that are $2\times$ to $7\times$...

💬 0 commentsarXiv:2601.02346v1PDF
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Posted in cs.SE · 2026-01-05 · Parham Khamsepour, Mark Cole, Ish Ashraf, Sandeep Puri, Mehrdad Sabetzadeh, Shiva Nejati

Question Answering for Multi-Release Systems: A Case Study at Ciena

Companies regularly have to contend with multi-release systems, where several versions of the same software are in operation simultaneously. Question answering over documents from multi-release systems poses challenges because different releases have distinct yet overlapping documentation. Motivated by the observed inaccuracy of...

💬 0 commentsarXiv:2601.02345v1PDF
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Posted in cs.CV · 2026-01-05 · Jingming He, Chongyi Li, Shiqi Wang, Sam Kwong

Joint Semantic and Rendering Enhancements in 3D Gaussian Modeling with Anisotropic Local Encoding

Recent works propose extending 3DGS with semantic feature vectors for simultaneous semantic segmentation and image rendering. However, these methods often treat the semantic and rendering branches separately, relying solely on 2D supervision while ignoring the 3D Gaussian geometry. Moreover, current adaptive strategies adapt the...

💬 0 commentsarXiv:2601.02339v1PDF
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Posted in cs.CL · 2026-01-05 · Berk Atil, Rebecca J. Passonneau, Ninareh Mehrabi

Robust Persona-Aware Toxicity Detection with Prompt Optimization and Learned Ensembling

Toxicity detection is inherently subjective, shaped by the diverse perspectives and social priors of different demographic groups. While ``pluralistic'' modeling as used in economics and the social sciences aims to capture perspective differences across contexts, current Large Language Model (LLM) prompting techniques have different...

💬 0 commentsarXiv:2601.02337v1PDF
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Posted in cs.IT · 2026-01-05 · Guoda Qiu, Ling Liu, Yuejun Wei, Liping Li

Error-Building Decoding of Linear Block Codes

This paper proposes a novel maximum-likelihood (ML) soft-decision decoding framework for linear block codes, termed error-building decoding (EBD). The complete decoding process can be performed using only the parity-check matrix, without requiring any other pre-constructed information (such as trellis diagrams or error-pattern lists),...

💬 0 commentsarXiv:2601.02330v2PDF
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Posted in cs.CV · 2026-01-05 · Laurent Caraffa

BEDS : Bayesian Emergent Dissipative Structures : A Formal Framework for Continuous Inference Under Energy Constraints

We introduce BEDS (Bayesian Emergent Dissipative Structures), a formal framework for analyzing inference systems that must maintain beliefs continuously under energy constraints. Unlike classical computational models that assume perfect memory and focus on one-shot computation, BEDS explicitly incorporates dissipation (information...

💬 0 commentsarXiv:2601.02329v2PDF
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Posted in cs.IT · 2026-01-05 · Jay A. Wood

Weights on finite fields and failures of the MacWilliams identities

In the 1960s, MacWilliams proved that the Hamming weight enumerator of a linear code over a finite field completely determines, and is determined by, the Hamming weight enumerator of its dual code. In particular, if two linear codes have the same Hamming weight enumerator, then their dual codes have the same Hamming weight enumerator....

💬 0 commentsarXiv:2601.02608v1PDF
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Posted in cs.CL · 2026-01-05 · Cesar Felipe Martínez Cisneros, Jesús Ulises Quiroz Bautista, Claudia Anahí Guzmán Solano, Bogdan Kaleb García Rivera, Iván García Pacheco, Yalbi Itzel Balderas Martínez, Kolawole John Adebayoc, Ignacio Arroyo Fernández

Scalable Construction of a Lung Cancer Knowledge Base: Profiling Semantic Reasoning in LLMs

The integration of Large Language Models (LLMs) into biomedical research offers new opportunities for domainspecific reasoning and knowledge representation. However, their performance depends heavily on the semantic quality of training data. In oncology, where precision and interpretability are vital, scalable methods for constructing...

💬 0 commentsarXiv:2601.02604v1PDF