Liheng Ma's picture

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Liheng Ma

lihengma

·

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

AI & ML interests

Graph Machine Learning; Geometric Deep Learning

Recent Activity

authored a paper 2 days ago

It Takes Two: Your GRPO Is Secretly DPO

upvoted a paper 3 days ago

It Takes Two: Your GRPO Is Secretly DPO

updated a model 5 months ago

lihengma/Qwen-2.5-7B-Instruct_2wiki_text_mrl_v7

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Organizations

authored a paper 2 days ago

It Takes Two: Your GRPO Is Secretly DPO

Paper • 2510.00977 • Published 4 days ago • 25

authored 3 papers 5 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