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Computer Science

arXiv preprints from January 1, 2026 through July 20, 2026 — 07:23:26 EST

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Posted in cs.MA · 2026-01-11 · Tamara Alshammari, Mehdi Bennis

Logic-Driven Semantic Communication for Resilient Multi-Agent Systems

The advent of 6G networks is accelerating autonomy and intelligence in large-scale, decentralized multi-agent systems (MAS). While this evolution enables adaptive behavior, it also heightens vulnerability to stressors such as environmental changes and adversarial behavior. Existing literature on resilience in decentralized MAS largely...

💬 0 commentsarXiv:2601.06733v1PDF
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Posted in cs.IT · 2026-01-11 · Hassan Touati, Rodrigo C. de Lamare

Study of Adaptive Reliability-Driven Conditional Innovation Decoding for LDPC Codes

In this work, we present an adaptive reliability-driven conditional innovation (AR-CID) decoding algorithm for low-density parity check (LDPC) codes. The proposed AR-CID decoding algorithm consists of one stage of message quality checking and another stage of message passing refinement, which are incorporated into a residual belief...

💬 0 commentsarXiv:2601.06732v1PDF
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Posted in cs.LG · 2026-01-11 · Harsh Parikh

Why are there many equally good models? An Anatomy of the Rashomon Effect

The Rashomon effect -- the existence of multiple, distinct models that achieve nearly equivalent predictive performance -- has emerged as a fundamental phenomenon in modern machine learning and statistics. In this paper, we explore the causes underlying the Rashomon effect, organizing them into three categories: statistical sources...

💬 0 commentsarXiv:2601.06730v2PDF
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Posted in cs.LG · 2026-01-11 · Anca Muresan, Mihaela Cardei, Ionut Cardei

Predicting Student Success with Heterogeneous Graph Deep Learning and Machine Learning Models

Early identification of student success is crucial for enabling timely interventions, reducing dropout rates, and promoting on time graduation. In educational settings, AI powered systems have become essential for predicting student performance due to their advanced analytical capabilities. However, effectively leveraging diverse...

💬 0 commentsarXiv:2601.06729v1PDF
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Posted in cs.RO · 2026-01-11 · Minhyuk Park, Aloysius K. Mok, Tsz-Chiu Au

Robust Evacuation for Multi-Drone Failure in Drone Light Shows

Drone light shows have emerged as a popular form of entertainment in recent years. However, several high-profile incidents involving large-scale drone failures -- where multiple drones simultaneously fall from the sky -- have raised safety and reliability concerns. To ensure robustness, we propose a drone parking algorithm designed...

💬 0 commentsarXiv:2601.06728v1PDF
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Posted in cs.DB · 2026-01-11 · Chandan Suri, Gursifath Bhasin

Vextra: A Unified Middleware Abstraction for Heterogeneous Vector Database Systems

The rapid integration of vector search into AI applications, particularly for Retrieval Augmented Generation (RAG), has catalyzed the emergence of a diverse ecosystem of specialized vector databases. While this innovation offers a rich choice of features and performance characteristics, it has simultaneously introduced a significant...

💬 0 commentsarXiv:2601.06727v1PDF
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Posted in cs.CV · 2026-01-11 · Mahsa Mitcheff, Adam Czajka

When Humans Judge Irises: Pupil Size Normalization as an Aid and Synthetic Irises as a Challenge

Iris recognition is a mature biometric technology offering remarkable precision and speed, and allowing for large-scale deployments to populations exceeding a billion enrolled users (e.g., AADHAAR in India). However, in forensic applications, a human expert may be needed to review and confirm a positive identification before an iris...

💬 0 commentsarXiv:2601.06725v1PDF
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Posted in cs.DS · 2026-01-11 · Swarnalipa Datta, Arijit Ghosh, Chandrima Kayal, Manaswi Paraashar, Manmatha Roy

Spectral Shadows: When Communication Complexity Meets Linear Invariance Testing

In this short note, we initiate the study of the Linear Isomorphism Testing Problem in the setting of communication complexity, a natural linear algebraic generalization of the classical Equality problem. Given Boolean functions $f, g : \mathbb{F}_2^n \to \{-1, +1\}$, Alice and Bob are tasked with determining whether $f$ and $g$ are...

💬 0 commentsarXiv:2601.06828v1PDF
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Posted in cs.CL · 2026-01-11 · Jinhan Liu, Yibo Yang, Ruiying Lu, Piotr Piekos, Yimeng Chen, Peng Wang, Dandan Guo

PDR: A Plug-and-Play Positional Decay Framework for LLM Pre-training Data Detection

Detecting pre-training data in Large Language Models (LLMs) is crucial for auditing data privacy and copyright compliance, yet it remains challenging in black-box, zero-shot settings where computational resources and training data are scarce. While existing likelihood-based methods have shown promise, they typically aggregate...

💬 0 commentsarXiv:2601.06827v1PDF
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Posted in cs.HC · 2026-01-11 · Rui Liu, Liuqingqing Yang, Runsheng Zhang, Shixiao Wang

Generative Modeling of Human-Computer Interfaces with Diffusion Processes and Conditional Control

This study investigates human-computer interface generation based on diffusion models to overcome the limitations of traditional template-based design and fixed rule-driven methods. It first analyzes the key challenges of interface generation, including the diversity of interface elements, the complexity of layout logic, and the...

💬 0 commentsarXiv:2601.06823v1PDF
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Posted in cs.CL · 2026-01-11 · Xuannan Liu, Xiao Yang, Zekun Li, Peipei Li, Ran He

AgentHallu: Benchmarking Automated Hallucination Attribution of LLM-based Agents

As LLM-based agents operate over sequential multi-step reasoning, hallucinations arising at intermediate steps risk propagating along the trajectory, thus degrading overall reliability. Unlike hallucination detection in single-turn responses, diagnosing hallucinations in multi-step workflows requires identifying which step causes the...

💬 0 commentsarXiv:2601.06818v1PDF
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Posted in cs.LG · 2026-01-11 · Toru Yoshinaga, Yasushi Kawase

Analyzing the effect of prediction accuracy on the distributionally-robust competitive ratio

The field of algorithms with predictions aims to improve algorithm performance by integrating machine learning predictions into algorithm design. A central question in this area is how predictions can improve performance, and a key aspect of this analysis is the role of prediction accuracy. In this context, prediction accuracy is...

💬 0 commentsarXiv:2601.06813v1PDF
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Posted in cs.CL · 2026-01-11 · Yi Hu, Jiaqi Gu, Ruxin Wang, Zijun Yao, Hao Peng, Xiaobao Wu, Jianhui Chen, Muhan Zhang, Liangming Pan

Towards a Mechanistic Understanding of Large Reasoning Models: A Survey of Training, Inference, and Failures

Reinforcement learning (RL) has catalyzed the emergence of Large Reasoning Models (LRMs) that have pushed reasoning capabilities to new heights. While their performance has garnered significant excitement, exploring the internal mechanisms driving these behaviors has become an equally critical research frontier. This paper provides a...

💬 0 commentsarXiv:2601.19928v1PDF
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Posted in cs.LG · 2026-01-11 · Qiangwei Peng, Zihan Wang, Junda Ying, Yuhao Sun, Qing Nie, Lei Zhang, Tiejun Li, Peijie Zhou

WFR-FM: Simulation-Free Dynamic Unbalanced Optimal Transport

The Wasserstein-Fisher-Rao (WFR) metric extends dynamic optimal transport (OT) by coupling displacement with change of mass, providing a principled geometry for modeling unbalanced snapshot dynamics. Existing WFR solvers, however, are often unstable, computationally expensive, and difficult to scale. Here we introduce WFR Flow...

💬 0 commentsarXiv:2601.06810v2PDF
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Posted in cs.CV · 2026-01-11 · Jiwen Zhang, Zejun Li, Siyuan Wang, Xiangyu Shi, Zhongyu Wei, Qi Wu

SpatialNav: Leveraging Spatial Scene Graphs for Zero-Shot Vision-and-Language Navigation

Although learning-based vision-and-language navigation (VLN) agents can learn spatial knowledge implicitly from large-scale training data, zero-shot VLN agents lack this process, relying primarily on local observations for navigation, which leads to inefficient exploration and a significant performance gap. To deal with the problem,...

💬 0 commentsarXiv:2601.06806v1PDF
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Posted in cs.CL · 2026-01-11 · Yubo Wang, Juntian Zhang, Yichen Wu, Yankai Lin, Nils Lukas, Yuhan Liu

Forest Before Trees: Latent Superposition for Efficient Visual Reasoning

While Chain-of-Thought empowers Large Vision-Language Models with multi-step reasoning, explicit textual rationales suffer from an information bandwidth bottleneck, where continuous visual details are discarded during discrete tokenization. Recent latent reasoning methods attempt to address this challenge, but often fall prey to...

💬 0 commentsarXiv:2601.06803v2PDF
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Posted in cs.CL · 2026-01-11 · Ayman Mansour

Doing More with Less: Data Augmentation for Sudanese Dialect Automatic Speech Recognition

Although many Automatic Speech Recognition (ASR) systems have been developed for Modern Standard Arabic (MSA) and Dialectal Arabic (DA), few studies have focused on dialect-specific implementations, particularly for low-resource Arabic dialects such as Sudanese. This paper presents a comprehensive study of data augmentation techniques...

💬 0 commentsarXiv:2601.06802v1PDF
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Posted in cs.AI · 2026-01-11 · Shujian Gao, Yuan Wang, Jiangtao Yan, Zuxuan Wu, Yu-Gang Jiang

Thinking with Deltas: Incentivizing Reinforcement Learning via Differential Visual Reasoning Policy

Reinforcement Learning with Verifiable Rewards (RLVR) has significantly advanced reasoning capabilities in Large Language Models. However, adapting RLVR to multimodal domains suffers from a critical \textit{perception-reasoning decoupling}. Existing paradigms, driven by text-centric outcome rewards, reasoning in language medium,...

💬 0 commentsarXiv:2601.06801v1PDF
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Posted in cs.CL · 2026-01-11 · Zili Wei, Xiaocui Yang, Yilin Wang, Zihan Wang, Weidong Bao, Shi Feng, Daling Wang, Yifei Zhang

CIRAG: Construction-Integration Retrieval and Adaptive Generation for Multi-hop Question Answering

Triple-based Iterative Retrieval-Augmented Generation (iRAG) mitigates document-level noise for multi-hop question answering. However, existing methods still face limitations: (i) greedy single-path expansion, which propagates early errors and fails to capture parallel evidence from different reasoning branches, and (ii)...

💬 0 commentsarXiv:2601.06799v1PDF
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Posted in cs.IR · 2026-01-11 · Zhiyang Zhang, Junda She, Kuo Cai, Bo Chen, Shiyao Wang, Xinchen Luo, Qiang Luo, Ruiming Tang, Han Li, Kun Gai, Guorui Zhou

Unleashing the Native Recommendation Potential: LLM-Based Generative Recommendation via Structured Term Identifiers

Leveraging the vast open-world knowledge and understanding capabilities of Large Language Models (LLMs) to develop general-purpose, semantically-aware recommender systems has emerged as a pivotal research direction in generative recommendation. However, existing methods face bottlenecks in constructing item identifiers. Text-based...

💬 0 commentsarXiv:2601.06798v1PDF
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Posted in cs.AI · 2026-01-11 · Zhengqing Yan, Xinyang Liu, Yi Zhang, Fan Guo, ChengXun Jia, Junchen Wan, Yao Liu, Qi Liu, Jihao Huang, Kang Song

GDEPO: Group Dual-dynamic and Equal-right Advantage Policy Optimization with Enhanced Training Data Utilization for Sample-Constrained Reinforcement Learning

Automated Theorem Proving (ATP) represents a fundamental challenge in Artificial Intelligence (AI), requiring the construction of machine-verifiable proofs in formal languages such as Lean to evaluate AI reasoning capabilities. Reinforcement learning (RL), particularly the high-performance Group Relative Policy Optimization (GRPO)...

💬 0 commentsarXiv:2601.06795v3PDF
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Posted in cs.AI · 2026-01-11 · Zhicong Li, Lingjie Jiang, Yulan Hu, Xingchen Zeng, Yixia Li, Xiangwen Zhang, Guanhua Chen, Zheng Pan, Xin Li, Yong Liu

No More Stale Feedback: Co-Evolving Critics for Open-World Agent Learning

Critique-guided reinforcement learning (RL) has emerged as a powerful paradigm for training LLM agents by augmenting sparse outcome rewards with natural-language feedback. However, current methods often rely on static or offline critic models, which fail to adapt as the policy evolves. In on-policy RL, the agent's error patterns shift...

💬 0 commentsarXiv:2601.06794v2PDF
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Posted in cs.CV · 2026-01-11 · Zhongping Ji

CliffordNet: All You Need is Geometric Algebra

Modern computer vision architectures, from CNNs to Transformers, predominantly rely on the stacking of heuristic modules: spatial mixers (Attention/Conv) followed by channel mixers (FFNs). In this work, we challenge this paradigm by returning to mathematical first principles. We propose the Clifford Algebra Network (CAN), also...

💬 0 commentsarXiv:2601.06793v2PDF
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Posted in cs.LG · 2026-01-11 · Malavika Pradeep, Akshay Sasi, Nusaibah Farrukh, Rahul Venugopal, Elizabeth Sherly

Cross-Modal Computational Model of Brain-Heart Interactions via HRV and EEG Feature

The electroencephalogram (EEG) has been the gold standard for quantifying mental workload; however, due to its complexity and non-portability, it can be constraining. ECG signals, which are feasible on wearable equipment pieces such as headbands, present a promising method for cognitive state monitoring. This research explores whether...

💬 0 commentsarXiv:2601.06792v1PDF