AI/ML arXiv cs.AI

Delta-JEPA: Learning Action-Sensitive World Models via Latent Difference Decoding

Introduction of Delta-JEPA, a world model that uses Latent Difference Action Decoding to prevent representation collapse and improve action-sensitive planning in visual tasks.

AI/ML arXiv cs.AI

Embodied CAD: Solver-Grounded LLM Agents for Parametric B-Rep Assembly Modeling

Embodied CAD presents a framework using solver-grounded LLM agents to iteratively create and repair parametric B-Rep assembly models in industrial CAD.

AI/ML arXiv cs.AI

Spatial Reasoning via Modality Switching Between Language and Symbolic Representation

Research demonstrating that allowing LLMs to switch from natural language to symbolic grid representations can improve spatial reasoning performance by up to 42%.

AI/ML arXiv cs.AI

Benchmarking Large Language Models on Floating-Point Error Classification

The InterFLOPBench benchmark evaluates LLMs' ability to statically detect floating-point errors in C code, showing high accuracy for simple errors but lower for subtle numerical issues.

AI/ML arXiv cs.AI

HistoriQA-ThirdRepublic: Multi-Hop Question Answering Corpus for Historical Research, Parliamentary Debates from the French Third Republic (1870-1940)

HistoriQA-ThirdRepublic is a new French-language multi-hop QA dataset based on parliamentary debates and newspapers from the French Third Republic.

AI/ML arXiv cs.AI

CryoACE: An Atom-centric Framework for Accurate and Automated Model Building in Cryo-EM

CryoACE introduces an atom-centric framework for automated model building in Cryo-EM, improving accuracy in reconstructing atomic graphs for heterogeneous protein structures.

Hardware/Chips arXiv cs.AI

Optimization Algorithms for Joint OFDM Waveform Design and RIS Configuration in 6G Networks: From Convex Relaxation to Foundation Models

A comprehensive survey of optimization algorithms for 6G network waveform design and RIS configuration, contrasting model-based methods with emerging ML and foundation models.

AI/ML arXiv cs.AI

Smart charging of large fleets of Electric Vehicles: Independent Multi-Agent Reinforcement Learning approaches

Comparison of contextual combinatorial bandits and policy gradient algorithms for the decentralized smart charging of large electric vehicle fleets.

AI/ML arXiv cs.AI

ReGRPO: Reflection-Augmented Policy Optimization for Tool-Using Agents

ReGRPO is a framework that enhances tool-using agents by combining Reflection-of-Thought triplets with Group Relative Policy Optimization to improve error recovery.

Other Hacker News

ArXiv's Next Chapter

A discussion thread on Hacker News regarding the future direction and evolution of the ArXiv preprint server.

AI/ML arXiv cs.AI

Cross-Domain Feature Expansion for Tabular Medical Data via Knowledge Graphs Injection

Researchers introduce MedKGTab, a framework that uses knowledge graphs to expand tabular medical data and infer missing biomedical features.

AI/ML arXiv cs.AI

ClawArena-Team: Benchmarking Subagent Orchestration and Dynamic Workflows in Language-Model Agents

ClawArena-Team is a new benchmark designed to measure the management ability of a single LLM acting as a leader orchestrating multiple subagents.

AI/ML arXiv cs.AI

HealthAgentBench: A Unified Benchmark Suite of Realistic Agentic Healthcare Environments for Challenging Frontier AI Agents

Microsoft introduces HealthAgentBench, a suite of 54 realistic healthcare tasks to evaluate the reasoning and execution capabilities of frontier AI agents.

AI/ML arXiv cs.AI

AI-Assisted Discovery of Convex Relaxations via Dual Agents

The authors use a dual-agent autoresearch paradigm to discover tighter convex relaxations for sharp-constant inequalities in optimization.

AI/ML arXiv cs.AI

Agentic RAG-VLM: Affordance-Aware Retrieval-Augmented Generation with Self-Reflective Planning for Robotic Grasping

Agentic RAG-VLM is a framework for robotic grasping that combines affordance-aware retrieval, scene graph reasoning, and self-reflective planning.

AI/ML arXiv cs.AI

Towards Inclusive Mobility Modeling: Characterizing and Evaluating Elderly Trajectory Patterns in Urban Systems

This study analyzes how the underrepresentation of elderly mobility patterns in urban datasets leads to bias in synthetic trajectory generation models.

AI/ML arXiv cs.AI

Long-term Traffic Simulation via Structured Autoregressive Modeling

RosettaSim is introduced as a framework for long-term traffic simulation for autonomous driving using structured autoregressive modeling and LLMs.

AI/ML arXiv cs.AI

Thinking Before Retrieving: Robust Zero-Shot Composed Image Retrieval via Strategic Planning and Self-Criticism

PEC-CIR is a training-free framework for zero-shot composed image retrieval that uses a Planner-Executor-Critic architecture to reduce generative errors.

AI/ML arXiv cs.AI

Agentic-Ideation: Sample Efficient Agentic Trajectories Synthesis for Scientific Ideation Agents

Agentic-Ideation is a framework for synthesizing sample-efficient agentic trajectories to train LLMs for automated scientific ideation.

Other Hacker News

The first early human eggs from stem cells

Researchers have successfully created early human eggs from stem cells, a significant breakthrough in reproductive biology.