Puchkin, Nikita

8 publications

COLT 2025 Generalization Error Bound for Denoising Score Matching Under Relaxed Manifold Assumption Konstantin Yakovlev, Nikita Puchkin

AISTATS 2024 Breaking the Heavy-Tailed Noise Barrier in Stochastic Optimization Problems Nikita Puchkin, Eduard Gorbunov, Nickolay Kutuzov, Alexander Gasnikov

COLT 2024 Dimension-Free Structured Covariance Estimation Nikita Puchkin, Maxim Rakhuba

JMLR 2024 Rates of Convergence for Density Estimation with Generative Adversarial Networks Nikita Puchkin, Sergey Samsonov, Denis Belomestny, Eric Moulines, Alexey Naumov

AISTATS 2023 A Contrastive Approach to Online Change Point Detection Nikita Puchkin, Valeriia Shcherbakova

COLT 2023 Exploring Local Norms in Exp-Concave Statistical Learning Nikita Puchkin, Nikita Zhivotovskiy

JMLR 2022 Structure-Adaptive Manifold Estimation Nikita Puchkin, Vladimir Spokoiny

COLT 2021 Exponential Savings in Agnostic Active Learning Through Abstention Nikita Puchkin, Nikita Zhivotovskiy