Liheng Ma's picture

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Liheng Ma

lihengma

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https://mila.quebec/en/directory/liheng-ma

AI & ML interests

Graph Machine Learning; Geometric Deep Learning; LLM Post-training

Organizations

authored a paper 2 months ago

It Takes Two: Your GRPO Is Secretly DPO

Paper • 2510.00977 • Published Oct 1 • 31

authored 3 papers 7 months ago

Graph Inductive Biases in Transformers without Message Passing

Paper • 2305.17589 • Published May 27, 2023

CKGConv: General Graph Convolution with Continuous Kernels

Paper • 2404.13604 • Published Apr 21, 2024

Multi-resolution Time-Series Transformer for Long-term Forecasting

Paper • 2311.04147 • Published Nov 7, 2023