collaborators

6 papers

cs.AI2026

STAIRS-Former: Spatio-Temporal Attention with Interleaved Recursive Structure Transformer for Offline Multi-task Multi-agent Reinforcement Learning

Jiwon Jeon, Myungsik Cho, Youngchul Sung

Offline multi-agent reinforcement learning (MARL) with multi-task datasets is challenging due to varying numbers of agents across tasks and the need to generalize to unseen scenari…

cs.MA2026

Generalized Per-Agent Advantage Estimation for Multi-Agent Policy Optimization

Seongmin Kim, Giseung Park, Woojun Kim +3

In this paper, we propose a novel framework for multi-agent reinforcement learning that enhances sample efficiency and coordination through accurate per-agent advantage estimation.…

cs.LG2026

Flow Matching with Injected Noise for Offline-to-Online Reinforcement Learning

Yongjae Shin, Jongseong Chae, Jongeui Park +1

Generative models have recently demonstrated remarkable success across diverse domains, motivating their adoption as expressive policies in reinforcement learning (RL). While they…

cs.LG2026

Flow Actor-Critic for Offline Reinforcement Learning

Jongseong Chae, Jongeui Park, Yongjae Shin +3

The dataset distributions in offline reinforcement learning (RL) often exhibit complex and multi-modal distributions, necessitating expressive policies to capture such distribution…

cs.LG2025

Multi-Objective Reinforcement Learning with Max-Min Criterion: A Game-Theoretic Approach

Woohyeon Byeon, Giseung Park, Jongseong Chae +2

In this paper, we propose a provably convergent and practical framework for multi-objective reinforcement learning with max-min criterion. From a game-theoretic perspective, we ref…

cs.LG2025

Reward Dimension Reduction for Scalable Multi-Objective Reinforcement Learning

Giseung Park, Youngchul Sung

In this paper, we introduce a simple yet effective reward dimension reduction method to tackle the scalability challenges of multi-objective reinforcement learning algorithms. Whil…