Volodymyr Tkachuk
4 papers · 2023–2026 · 3 venues · across top CS/AI venues
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Achievements
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🌍
Conference Polyglot · Bronze
🌉
Interdisciplinary Bridge · Bronze
🗺️
Taxonomy Completionist
(11)
Venues
Top co-authors
Research topics
Keywords
offline reinforcement learning
(2)
sample complexity
(2)
linear realizability
(2)
function approximation
(1)
sequential decision making
(1)
markov decision process
(1)
regret minimization
(1)
exploration-exploitation tradeoff
(1)
linear function approximation
(1)
optimal policy
(1)
query complexity
(1)
trajectory data
(1)
linear q-realizability
(1)
statistical efficiency
(1)
cooperative multi-agent reinforcement learning
(1)
combinatorial action space
(1)
cooperative planning
(1)
argmax oracle
(1)
saddle point optimization
(1)
decision-estimation coefficient
(1)
Papers
Trajectory Data Suffices for Statistically Efficient Policy Evaluation in Fixed-Horizon Offline RL with Linear q^π-Realizability and Concentrability
COLT 2026
Trajectory Data Suffices for Statistically Efficient Learning in Offline RL with Linear q^π-Realizability and Concentrability
NeurIPS 2024
Efficient Planning in Combinatorial Action Spaces with Applications to Cooperative Multi-Agent Reinforcement Learning
AISTATS 2023
Regret Minimization via Saddle Point Optimization
NeurIPS 2023