Ran Cheng

Associate Professor, Hong Kong Polytechnic University

2 papers at NeurIPS 2025

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Poster Session 2

Wednesday, December 3, 2025 · 4:30 PM → 7:30 PM

MetaBox-v2: A Unified Benchmark Platform for Meta-Black-Box Optimization

#612 · Zeyuan Ma, Yue-Jiao Gong, Hongshu Guo, Wenjie Qiu, Sijie Ma, Hongqiao Lian, Jiajun Zhan, Kaixu Chen, Chen Wang, Zhiyang Huang, Zechuan Huang, Guojun Peng, Ran Cheng, Yining Ma

A comprehensive benchmarking platform for Meta-Black-Box Optimization approches, which provides high-efficiency training/evaluation and flexible usages for potential users.

Poster Session 4

1 paper

Thursday, December 4, 2025 · 4:30 PM → 7:30 PM

Exhibit Hall C,D,E

Diversity-Aware Policy Optimization for Large Language Model Reasoning

#4002 Spotlight · Jian Yao, Ran Cheng, Xingyu Wu, Jibin Wu, KC Tan

We propose a diversity-aware policy optimization method for LLM reasoning that introduces token-level diversity focusing on positive samples, achieving higher performance improvement on mathematical benchmarks while generating more diverse solutions.