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Pengfei Liu

16 papers hereh-index 7528 citations18 works total

Matching runs newest-first, so older work may not be attached to this profile yet.

author position
  • middle author3
  • last author12

Across the 15 of 16 papers where every author was matched, so the position is known.

fields
  • cs.CL7
  • cs.AI3
  • cs.LG3
  • cs.CV1
  • cs.IR1
  • cs.RO1
same name
  • Pengfei Liu — 59 papers, h 43
  • Pengfei Liu — 16 papers, h 7
  • Pengfei Liu — 9 papers, h 11
  • Pengfei Liu — 9 papers, h 5
  • Pengfei Liu — 9 papers, h 5
  • Pengfei Liu — 7 papers, h 10

Either other researchers who publish under this name, or the same person where the external sources have not merged their records.

identity via Semantic Scholar / OpenAlex

activity
20242026
most citedO1 Replication Journey: A Strategic Progress Report -- Part 1

3 citations · 8 across the 16 of their papers we have counts for

collaborators
Showing cs.LGShow all

3 papers · 1 filter

cs.LG2026

UP: Unbounded Positive Asymmetric Optimization for Breaking the Exploration-Stability Dilemma

Chongyu Fan, Pengfei Liu, Jingjia Huang +2

Reinforcement learning (RL) has become the standard paradigm for enhancing the complex reasoning capabilities of large language models (LLMs). To achieve sample efficiency, modern…

cs.LG2026

One Sample to Rule Them All: Extreme Data Efficiency in Multidiscipline Reasoning with Reinforcement Learning

Yiyuan Li, Zhen Huang, Yanan Wu +6

The reasoning ability of large language models (LLMs) can be unleashed with reinforcement learning (RL) (OpenAI, 2024; DeepSeek-AI et al., 2025a; Zeng et al., 2025). The success of…

cs.LG2025★ 1 cited

LIMR: Less is More for RL Scaling

Xuefeng Li, Haoyang Zou, Pengfei Liu

In this paper, we ask: what truly determines the effectiveness of RL training data for enhancing language models' reasoning capabilities? While recent advances like o1, Deepseek R1…

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Not affiliated with arXiv. Researcher data from Semantic Scholar (ODC-BY) and OpenAlex.