3 papers
cs.DS2026
Minimum eccentricity shortest paths of -minor-free graphs
Dibyayan Chakraborty, Sandip Das, Sk Samim Islam +2
Given a simple, undirected, and unweighted graph , and an integer , the objective of the \textsc{Minimum Eccentricity Shortest Path (MESP)} is to decide whether there exists…
cs.AI2026
RODS: Reward-Driven Online Data Synthesis for Multi-Turn Tool-Use Agents
Ruishan Fang, Siyuan Lu, Chenyi Zhuang +1
Multi-turn tool-use RL is bottlenecked by the rapid depletion of informative samples in static datasets. We observe that the gradient signal in GRPO concentrates on tasks with the…
cs.AI2026
Don't Just Fine-tune the Agent, Tune the Environment
Siyuan Lu, Zechuan Wang, Hongxuan Zhang +5
Large Language Model (LLM) agents show great promise for complex, multi-turn tool-use tasks, but their development is often hampered by the extreme scarcity of high-quality trainin…