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cs.AI2026

Coupled Harness--Model Evolution for Scientific Equation Discovery

Pengze Li, Jiaquan Zhang, Encheng Su +8

Large language models (LLMs) are increasingly used to discover scientific equations from experimental data. Such a discovery system has two parts that must work together: a library…

cs.AI2026

Geometry-aware Incremental Neural Operator for Long-Horizon PDE prediction

Jiaquan Zhang, Shuxu Chen, Haifan Meng +6

Neural operators have shown strong potential for learning solution operators of partial differential equations (PDEs). However, long-horizon autoregressive prediction remains chall…

cs.AI2026

Lightweight LLM Agent Memory with Small Language Models

Jiaquan Zhang, Chaoning Zhang, Shuxu Chen +9

Although LLM agents can leverage tools for complex tasks, they still need memory to maintain cross-turn consistency and accumulate reusable information in long-horizon interactions…

cs.AI2026

Weak-Link Optimization for Multi-Agent Reasoning and Collaboration

Haoyu Bian, Chaoning Zhang, Jiaquan Zhang +4

LLM-driven multi-agent frameworks address complex reasoning tasks through multi-role collaboration. However, existing approaches often suffer from reasoning instability, where indi…

cs.AI2026

CAP-CoT: Cycle Adversarial Prompt for Improving Chain of Thoughts in LLM Reasoning

Shuxu Chen, Yitian Zhou, Jiaquan Zhang +6

Chain-of-Thought (CoT) prompting has emerged as a simple and effective way to elicit step-by-step solutions from large language models (LLMs). However, CoT reasoning can be unstabl…

cs.AI2026

Efficient and Interpretable Multi-Agent LLM Routing via Ant Colony Optimization

Xudong Wang, Chaoning Zhang, Jiaquan Zhang +8

Large Language Model (LLM)-driven Multi-Agent Systems (MAS) have demonstrated strong capability in complex reasoning and tool use, and heterogeneous agent pools further broaden the…

cs.AI2026

AI-for-Science Low-code Platform with Bayesian Adversarial Multi-Agent Framework

Zihang Zeng, Jiaquan Zhang, Pengze Li +2

Large Language Models (LLMs) demonstrate potentials for automating scientific code generation but face challenges in reliability, error propagation in multi-agent workflows, and ev…

cs.AI2026

Learning Global Hypothesis Space for Enhancing Synergistic Reasoning Chain

Jiaquan Zhang, Chaoning Zhang, Shuxu Chen +9

Chain-of-Thought (CoT) has been shown to significantly improve the reasoning accuracy of large language models (LLMs) on complex tasks. However, due to the autoregressive, step-by-…

cs.AI2025

Understanding Chain-of-Thought in Large Language Models via Topological Data Analysis

Chenghao Li, Chaoning Zhang, Yi Lu +10

With the development of large language models (LLMs), particularly with the introduction of the long reasoning chain technique, the reasoning ability of LLMs in complex problem-sol…