Kenta Niwa

10 papers · 2021–2026 · 5 conferences · across top CS/AI conferences

Achievements

🐝 Cross-Pollinator (15) 🌍 Conference Polyglot (5) 🗺️ Taxonomy Completionist (11) 🧭 Keyword Pioneer 🐣 Hot Topic Early Bird 🏃 Academic Marathon (5) 🌈 Renaissance Researcher (5) 🌉 Interdisciplinary Bridge 🏆 Grand Slam 🔥 Unstoppable (5) 💎 Century Club (10)

Conferences

AAAI (2) CVPR (2) ICLR (2) ICML (2) NIPS (2)

Top co-authors

Guoqiang Zhang (3) W. Bastiaan Kleijn (3) Takumi Fukami (2) Noboru Harada (2) Shoichiro Takeda (2) Makoto Yamada (2) Ryoma Sato (2) Hiroshi Sawada (2) Han Bao (2) Yuki Takezawa (2)

Keywords

distributed learning (2) image generation (1) convex optimization (1) hyperparameter optimization (1) optimal transport (1) convergence analysis (1) mean estimation (1) decentralized optimization (1) neural network optimization (1) gradient descent (1) linear programming (1) communication efficiency (1) temporal filtering (1) hyperparameter tuning (1) second-order optimization (1) learning rate (1) convergence rate (1) entropy regularization (1) gradient clipping (1) diffusion probabilistic model (1)

Papers

FedPM: Federated Learning Using Second-order Optimization with Preconditioned Mixing of Local Parameters AAAI 2026

Plausible Token Amplification for Improving Accuracy of Differentially Private In-Context Learning Based on Implicit Bayesian Inference ICML 2025

Optimal Transport with Cyclic Symmetry AAAI 2024

On Accelerating Diffusion-Based Sampling Processes via Improved Integration Approximation ICLR 2024

Parameter-free Clipped Gradient Descent Meets Polyak NIPS 2024

Simple Minimax Optimal Byzantine Robust Algorithm for Nonconvex Objectives with Uniform Gradient Heterogeneity ICLR 2024

Lookahead Diffusion Probabilistic Models for Refining Mean Estimation CVPR 2023

Beyond Exponential Graph: Communication-Efficient Topologies for Decentralized Learning via Finite-time Convergence NIPS 2023

Bilateral Video Magnification Filter CVPR 2022

Asynchronous Decentralized Optimization With Implicit Stochastic Variance Reduction ICML 2021