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Learning and Reasoning Group (LRNING)

Learning and Reasoning Group (LRNING)

Recruiting grad students

Hanyang University · Computer Science

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연구실(LRNING) 합류에 관한 정보는 그룹 페이지에서 안내하며, 신입 구성원을 모집한다.

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Professor

Prof. 이성윤

Professor's page · publications

About

이성윤 교수 연구실(LRNING, Learning and Reasoning group)은 한양대 컴퓨터소프트웨어학부 소속으로, 딥러닝의 최적화·일반화·학습 동역학 등 학습 메커니즘과 AI 안전성·정렬을 연구한다. 인-컨텍스트 학습, SGD의 암묵적 편향, 확산 모델 일반화, 적대적 강건성 및 인증 방어, LLM 학습 안정성과 탈옥 방어 등을 다룬다. 이성윤 교수는 서울대 수학 박사 출신이다.

Research keywords

Deep learning theory: optimization and generalizationimplicit bias of SGDoverparameterized modelsin-context learningdiffusion model generalizationadversarial robustnessand AI alignment/safety

Selected publications

  • Gradient Descent with Large Step Size Restores Symmetry in Deep Linear Networks with Multi-PathwayICML · 2026
  • Prior Forgetting and In-Context OverfittingNeurIPS · 2025
  • Variance Sensitivity Induces Attention Entropy Collapse and Instability in TransformersEMNLP · 2025
  • Prediction Risk and Estimation Risk of the Ridgeless Least Squares Estimator under General Assumptions on Regression ErrorsICLR · 2025
  • Implicit Jacobian regularization weighted with impurity of probability outputICML · 2023
  • A Reparametrization-Invariant Sharpness Measure Based on Information GeometryNeurIPS · 2022

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