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; LLM Post-training

Recent Activity

updated a model 3 days ago

lihengma/code-r1-2grpo-step196

published a model 3 days ago

lihengma/code-r1-2grpo-step196

updated a model 3 days ago

lihengma/code-r1-2grpo-step128

View all activity

Organizations

updated a model 3 days ago

lihengma/code-r1-2grpo-step196

8B • Updated 3 days ago • 2

published a model 3 days ago

lihengma/code-r1-2grpo-step196

8B • Updated 3 days ago • 2

updated a model 3 days ago

lihengma/code-r1-2grpo-step128

8B • Updated 3 days ago • 1

published a model 3 days ago

lihengma/code-r1-2grpo-step128

8B • Updated 3 days ago • 1

authored a paper 4 months ago

It Takes Two: Your GRPO Is Secretly DPO

Paper • 2510.00977 • Published Oct 1, 2025 • 32

upvoted a paper 4 months ago

It Takes Two: Your GRPO Is Secretly DPO

Paper • 2510.00977 • Published Oct 1, 2025 • 32

updated a model 9 months ago

lihengma/Qwen-2.5-7B-Instruct_2wiki_text_mrl_v7

Text Generation • 8B • Updated May 16, 2025

published a model 9 months ago

lihengma/Qwen-2.5-7B-Instruct_2wiki_text_mrl_v7

Text Generation • 8B • Updated May 16, 2025

updated a model 9 months ago

lihengma/Qwen-2.5-72B-Instruct_2wiki_text_mrl_v7

Text Generation • 8B • Updated May 16, 2025

published a model 9 months ago

lihengma/Qwen-2.5-72B-Instruct_2wiki_text_mrl_v7

Text Generation • 8B • Updated May 16, 2025

updated a model 9 months ago

lihengma/Llama-3.1-8B-Instruct_2wiki_text_sft

Text Generation • 8B • Updated May 15, 2025 • 2

published a model 9 months ago

lihengma/Llama-3.1-8B-Instruct_2wiki_text_sft

Text Generation • 8B • Updated May 15, 2025 • 2

updated a model 9 months ago

lihengma/Llama-3.1-8B-Instruct_2wiki_text_mrl_v1

Text Generation • 8B • Updated May 15, 2025

published a model 9 months ago

lihengma/Llama-3.1-8B-Instruct_2wiki_text_mrl_v1

Text Generation • 8B • Updated May 15, 2025

updated a model 9 months ago

lihengma/Qwen-2.5-7B-Instruct_hotpotqa_sfted

Text Generation • 8B • Updated May 14, 2025

published a model 9 months ago

lihengma/Qwen-2.5-7B-Instruct_hotpotqa_sfted

Text Generation • 8B • Updated May 14, 2025

updated a model 9 months ago

lihengma/Qwen-2.5-7B-Instruct_2wiki_text_sfted

Text Generation • 8B • Updated May 13, 2025 • 1

published a model 9 months ago

lihengma/Qwen-2.5-7B-Instruct_2wiki_text_sfted

Text Generation • 8B • Updated May 13, 2025 • 1

updated a model 9 months ago

lihengma/Qwen-2.5-7B-Instruct_2wiki_kg_sfted

Text Generation • 8B • Updated May 12, 2025 • 2

published a model 9 months ago

lihengma/Qwen-2.5-7B-Instruct_2wiki_kg_sfted

Text Generation • 8B • Updated May 12, 2025 • 2