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cs.LG2026
Matching Accuracy, Different Geometry: Evolution Strategies vs GRPO in LLM Post-Training
William Hoy, Binxu Wang, Xu Pan
Evolution Strategies (ES) have emerged as a scalable gradient-free alternative to reinforcement learning based LLM fine-tuning, but it remains unclear whether comparable task perfo…
cs.LG2025
CF-CAM: Cluster Filter Class Activation Mapping for Reliable Gradient-Based Interpretability
Hongjie He, Xu Pan, Yudong Yao
As deep learning continues to advance, the transparency of neural network decision-making remains a critical challenge, limiting trust and applicability in high-stakes domains. Cla…