Xingcheng Xu
3 papers · 2024–2026 · 3 venues · across top CS/AI venues
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Achievements
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🌍
Conference Polyglot · Bronze
🌉
Interdisciplinary Bridge · Bronze
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Research topics
Keywords
reinforcement learning
(1)
video understanding
(1)
out-of-distribution generalization
(1)
multimodal large language model
(1)
positional encoding
(1)
length generalization
(1)
modular arithmetic
(1)
reasoning trace
(1)
video reasoning
(1)
arithmetic reasoning
(1)
large language model
(1)
transformer model
(1)
in-distribution generalization
(1)
algebraic structure
(1)
consistency reward
(1)
Papers
VAST: Video Ability-Stratified Taxonomy for Data-Efficient Video Reasoning
CVPR 2026
Principled Understanding of Generalization for Generative Transformer Models in Arithmetic Reasoning Tasks
ACL 2025
It Ain’t That Bad: Understanding the Mysterious Performance Drop in OOD Generalization for Generative Transformer Models
IJCAI 2024