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Computer Science

arXiv preprints from January 1, 2026 through September 8, 2026 — 08:11:11 EST

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Posted in cs.CV · 2026-01-20 · Tianyuan Liu, Libin Hou, Linyuan Wang, Bin Yan

Interpretable and Sparse Linear Attention with Decoupled Membership-Subspace Modeling via MCR2 Objective

Maximal Coding Rate Reduction (MCR2)-driven white-box transformer, grounded in structured representation learning, unifies interpretability and efficiency, providing a reliable white-box solution for visual modeling. However, in existing designs, tight coupling between "membership matrix" and "subspace matrix U" in MCR2 causes...

💬 0 commentsarXiv:2601.17042v1PDF
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Posted in cs.RO · 2026-01-20 · Fawad Mehboob, Monijesu James, Amir Habel, Jeffrin Sam, Miguel Altamirano Cabrera, Dzmitry Tsetserukou

DroneVLA: VLA based Aerial Manipulation

As aerial platforms evolve from passive observers to active manipulators, the challenge shifts toward designing intuitive interfaces that allow non-expert users to command these systems naturally. This work introduces a novel concept of autonomous aerial manipulation system capable of interpreting high-level natural language commands...

💬 0 commentsarXiv:2601.13809v2PDF
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Posted in cs.CL · 2026-01-20 · Dezhao Song, Guglielmo Bonifazi, Frank Schilder, Jonathan Richard Schwarz

Knowledge Graph-Assisted LLM Post-Training for Enhanced Legal Reasoning

LLM post-training has primarily relied on large text corpora and human feedback, without capturing the structure of domain knowledge. This has caused models to struggle dealing with complex reasoning tasks, especially for high-stakes professional domains. In Law, reasoning requires deep understanding of the relations between various...

💬 0 commentsarXiv:2601.13806v1PDF
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Posted in cs.AR · 2026-01-20 · Ioannis Constantinou, Arthur Perais, Yiannakis Sazeides

The Non-Predictability of Mispredicted Branches using Timing Information

Branch misprediction latency is one of the most important contributors to performance degradation and wasted energy consumption in a modern core. State-of-the-art predictors generally perform very well but occasionally suffer from high Misprediction Per Kilo Instruction due to hard-to-predict branches. In this work, we investigate if...

💬 0 commentsarXiv:2601.13804v2PDF
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Posted in cs.CL · 2026-01-20 · Yushen Chen, Junzhe Liu, Yujie Tu, Zhikang Niu, Yuzhe Liang, Chunyu Qiang, Chen Zhang, Kai Yu, Xie Chen

Habibi: Laying the Open-Source Foundation of Unified-Dialectal Arabic Speech Synthesis

Arabic spans over 30 spoken varieties, yet no open-source text-to-speech system unifies them. Key barriers include substantial cross-dialect lexical and phonological divergence, scarce synthesis-grade data, and the absence of a standardized multi-dialect evaluation benchmark. We present Habibi, a unified-dialectal Arabic TTS framework...

💬 0 commentsarXiv:2601.13802v2PDF
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Posted in cs.RO · 2026-01-20 · Yuhua Jin, Nikita Kuzmin, Georgii Demianchuk, Mariya Lezina, Fawad Mehboob, Issatay Tokmurziyev, Miguel Altamirano Cabrera, Muhammad Ahsan Mustafa, Dzmitry Tsetserukou

HoverAI: An Embodied Aerial Agent for Natural Human-Drone Interaction

Drones operating in human-occupied spaces suffer from insufficient communication mechanisms that create uncertainty about their intentions. We present HoverAI, an embodied aerial agent that integrates drone mobility, infrastructure-independent visual projection, and real-time conversational AI into a unified platform. Equipped with a...

💬 0 commentsarXiv:2601.13801v1PDF
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Posted in cs.CV · 2026-01-20 · Kai Wittenmayer, Sukrut Rao, Amin Parchami-Araghi, Bernt Schiele, Jonas Fischer

CFM: Language-aligned Concept Foundation Model for Vision

Language-aligned vision foundation models perform strongly across diverse downstream tasks. Yet, their learned representations remain opaque, making interpreting their decision-making difficult. Recent work decompose these representations into human-interpretable concepts, but provide poor spatial grounding and are limited to image...

💬 0 commentsarXiv:2601.13798v2PDF
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Posted in cs.CV · 2026-01-20 · Gabriele Serussi, David Vainshtein, Jonathan Kouchly, Dotan Di Castro, Chaim Baskin

PREGEN: Uncovering Latent Thoughts in Composed Video Retrieval

Composed Video Retrieval (CoVR) aims to retrieve a video based on a query video and a modifying text. Current CoVR methods fail to fully exploit modern Vision-Language Models (VLMs), either using outdated architectures or requiring computationally expensive fine-tuning and slow caption generation. We introduce PREGEN (PRE GENeration...

💬 0 commentsarXiv:2601.13797v1PDF
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Posted in cs.DS · 2026-01-20 · Jingcheng Liu, Yixiao Yu

Zero-free regions and concentration inequalities for hypergraph colorings in the local lemma regime

We show that for $q$-colorings in $k$-uniform hypergraphs with maximum degree $Δ$, if $k\ge 50$ and $q\ge 700Δ^{\frac{5}{k-10}}$, there is a "Lee-Yang" zero-free strip around the interval $[0,1]$ of the partition function, which includes the special case of uniform enumeration of hypergraph colorings. As an immediate consequence, we...

💬 0 commentsarXiv:2601.13796v1PDF
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Posted in cs.DB · 2026-01-20 · Alex S. Klitgaard, Lau E. Josefsen, Mikael V. Mikkelsen, Kristian Torp

A Distributed Spatial Data Warehouse for AIS Data (DIPAAL)

AIS data from ships is excellent for analyzing single-ship movements and monitoring all ships within a specific area. However, the AIS data needs to be cleaned, processed, and stored before being usable. This paper presents a system consisting of an efficient and modular ETL process for loading AIS data, as well as a distributed...

💬 0 commentsarXiv:2601.13795v1PDF
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Posted in cs.LG · 2026-01-20 · ByeoungDo Kim, JunYeop Na, Kyungwook Tak, JunTae Kim, DongHyeon Kim, Duckky Kim

PAtt: A Pattern Attention Network for ETA Prediction Using Historical Speed Profiles

In this paper, we propose an ETA model (Estimated Time of Arrival) that leverages an attention mechanism over historical road speed patterns. As autonomous driving and intelligent transportation systems become increasingly prevalent, the need for accurate and reliable ETA estimation has grown, playing a vital role in navigation,...

💬 0 commentsarXiv:2601.13793v1PDF
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Posted in cs.NI · 2026-01-20 · Jinwei Zhao, Jack Baude, Ali Ahangarpour, Vaibhava Krishna Devulapalli, Sree Ganesh Lalitaditya Divakarla, Zhi-Li Zhang, Jianping Pan

Demystifying Starlink Network Performance under Vehicular Mobility with Dynamic Beam Switching

In the last few years, considerable research efforts have focused on measuring and improving Starlink network performance, especially for user terminals (UTs) in stationary scenarios. However, the performance of Starlink networks in mobility settings, particularly with frequent changes in the UT's orientation, and the impact of...

💬 0 commentsarXiv:2601.13790v1PDF
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Posted in cs.LG · 2026-01-20 · Leonidas Christodoulou, Chang Sun

The Impact of Machine Learning Uncertainty on the Robustness of Counterfactual Explanations

Counterfactual explanations are widely used to interpret machine learning predictions by identifying minimal changes to input features that would alter a model's decision. However, most existing counterfactual methods have not been tested when model and data uncertainty change, resulting in explanations that may be unstable or invalid...

💬 0 commentsarXiv:2602.00063v1PDF
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Posted in cs.CG · 2026-01-20 · Ravi Suthar, Raveena, Krishnendra Shekhawat

Area-universality in Outerplanar Graphs

A rectangular floorplan is a partition of a rectangle into smaller rectangles such that no four rectangles meet at a single point. Rectangular floorplans arise naturally in a variety of applications, including VLSI design, architectural layout, and cartography, where efficient and flexible spatial subdivisions are required. A central...

💬 0 commentsarXiv:2601.13781v1PDF
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Posted in cs.LG · 2026-01-20 · Antoine Siraudin, Christopher Morris

Principled Latent Diffusion for Graphs via Laplacian Autoencoders

Graph diffusion models achieve state-of-the-art performance in graph generation but suffer from quadratic complexity in the number of nodes -- and much of their capacity is wasted modeling the absence of edges in sparse graphs. Inspired by latent diffusion in other modalities, a natural idea is to compress graphs into a...

💬 0 commentsarXiv:2601.13780v3PDF
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Posted in cs.HC · 2026-01-20 · Yitian Yang, Yugin Tan, Jung-Tai King, Yang Chen Lin, Yi-Chieh Lee

Fit Matters: Format-Distance Alignment Improves Conversational Search

Existing conversational search systems can synthesize information into responses, but they lack principled ways to adapt response formats to users' cognitive states. This paper investigates whether aligning format and distance, which involves matching information granularity and media to users' psychological distance, improves user...

💬 0 commentsarXiv:2601.13778v1PDF
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Posted in cs.RO · 2026-01-20 · Zvi Chapnik, Yizhar Or, Shai Revzen

Sample Efficient Learning of Body-Environment Interaction of an Under-Actuated System

Geometric mechanics provides valuable insights into how biological and robotic systems use changes in shape to move by mechanically interacting with their environment. In high-friction environments it provides that the entire interaction is captured by the ``motility map''. Here we compare methods for learning the motility map from...

💬 0 commentsarXiv:2601.13777v1PDF
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Posted in cs.LG · 2026-01-20 · Thibaut Boissin, Franck Mamalet, Valentin Lafargue, Mathieu Serrurier

Orthogonium : A Unified, Efficient Library of Orthogonal and 1-Lipschitz Building Blocks

Orthogonal and 1-Lipschitz neural network layers are essential building blocks in robust deep learning architectures, crucial for certified adversarial robustness, stable generative models, and reliable recurrent networks. Despite significant advancements, existing implementations remain fragmented, limited, and computationally...

💬 0 commentsarXiv:2601.13776v1PDF
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Posted in cs.SE · 2026-01-20 · Matteo Vaccargiu, Azmat Ullah, Pierluigi Gallo

A Blockchain-Oriented Software Engineering Architecture for Carbon Credit Certification Systems

Carbon credit systems have emerged as a policy tool to incentivize emission reductions and support the transition to clean energy. Reliable carbon-credit certification depends on mechanisms that connect actual, measured renewable-energy production to verifiable emission-reduction records. Although blockchain and IoT technologies have...

💬 0 commentsarXiv:2601.13772v1PDF
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Posted in cs.SE · 2026-01-20 · Yi Zhai, Dian Shen, Junzhou Luo, Bin Yang

ToolCaching: Towards Efficient Caching for LLM Tool-calling

Recent advances in Large Language Models (LLMs) have revolutionized web applications, enabling intelligent search, recommendation, and assistant services with natural language interfaces. Tool-calling extends LLMs with the ability to interact with external APIs, greatly enhancing their practical utility. While prior research has...

💬 0 commentsarXiv:2601.15335v1PDF
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Posted in cs.AI · 2026-01-20 · Mostapha Benhenda

Look-Ahead-Bench: a Standardized Benchmark of Look-ahead Bias in Point-in-Time LLMs for Finance

We introduce Look-Ahead-Bench, a standardized benchmark measuring look-ahead bias in Point-in-Time (PiT) Large Language Models (LLMs) within realistic and practical financial workflows. Unlike most existing approaches that primarily test inner lookahead knowledge via Q\\&A, our benchmark evaluates model behavior in practical...

💬 0 commentsarXiv:2601.13770v1PDF
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Posted in cs.NI · 2026-01-20 · Anastasios Giannopoulos, Sotirios Spantideas, Maria Lamprini Bartsioka, Panagiotis Trakadas

Interoperable rApp/xApp Control over O-RAN for Mobility-aware Dynamic Spectrum Allocation

Open Radio Access Networks (O-RAN) enable the disaggregation of radio access functions and the deployment of control applications across different timescales. However, designing interoperable control schemes that jointly exploit long-term traffic awareness and near-real-time radio resource optimization remains a challenging problem,...

💬 0 commentsarXiv:2601.13769v1PDF
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Posted in cs.LG · 2026-01-20 · Wenzhen Yue, Ruohao Guo, Ji Shi, Zihan Hao, Shiyu Hu, Xianghua Ying

vLinear: A Powerful Linear Model for Multivariate Time Series Forecasting

In this paper, we present \textbf{vLinear}, an effective yet efficient \textbf{linear}-based multivariate time series forecaster featuring two components: the \textbf{v}ecTrans module and the WFMLoss objective. Many state-of-the-art forecasters rely on self-attention or its variants to capture multivariate correlations, typically...

💬 0 commentsarXiv:2601.13768v1PDF
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Posted in cs.CV · 2026-01-20 · Ghadeer Alanazi, Abir Benabid

Arabic Sign Language Recognition using Multimodal Approach

Arabic Sign Language (ArSL) is an essential communication method for individuals in the Deaf and Hard-of-Hearing community. However, existing recognition systems face significant challenges due to their reliance on single sensor approaches like Leap Motion or RGB cameras. These systems struggle with limitations such as inadequate...

💬 0 commentsarXiv:2601.17041v1PDF
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Posted in cs.LG · 2026-01-20 · Ming-Yao Ho, Cheng-Kai Wang, You-Teng Lin, Hung-Hsuan Chen

SCPL: Enhancing Neural Network Training Throughput with Decoupled Local Losses and Model Parallelism

Adopting large-scale AI models in enterprise information systems is often hindered by high training costs and long development cycles, posing a significant managerial challenge. The standard end-to-end backpropagation (BP) algorithm is a primary driver of modern AI, but it is also the source of inefficiency in training deep networks....

💬 0 commentsarXiv:2602.00062v2PDF