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math.OC2026
Regularized Coupling Maps on Matrix Polytopes: From Assignment to Graph Matching and Optimal Transport
Binrui Shen, Shengxin Zhu
Three classical problems-linear assignment, graph matching, and optimal transport-share a common structure: they seek an optimal matrix-valued coupling on a matrix polytope. We stu…
cs.AI2026
LoCA: Forward-Only LLM Tuning after One-Shot Calibration with Local Credit Assignment
Linhan Xia, Rui Liu, Zhaofeng Zhang +3
Parameter-efficient post-training reduces the number of trainable parameters, but still requires repeated end-to-end backpropagation through the frozen backbone. Every adaptation s…
cs.AI2026
Evolving in the Agent Jungle via History-Informed Opponent Awareness
Zhaofeng Zhang, Linhan Xia, Rui Liu +3
Learning to adapt strategies through interaction is a key step toward more general and autonomous LLM agents. Existing approaches typically achieve behavioral adaptation by revisin…