activity
20172023
most citedRandomized Quantization is All You Need for Differential Privacy in Federated Learning

7 citations · 7 across the 6 of their papers we have counts for

collaborators

6 papers

math.OC2023

Riemannian Optimistic Algorithms

Xi Wang, Deming Yuan, Yiguang Hong +3

In this paper, we consider Riemannian online convex optimization with dynamic regret. First, we propose two novel algorithms, namely the Riemannian Online Optimistic Gradient Desce…

cs.LG2023★ 7 cited

Randomized Quantization is All You Need for Differential Privacy in Federated Learning

Yeojoon Youn, Zihao Hu, Juba Ziani +1

Federated learning (FL) is a common and practical framework for learning a machine model in a decentralized fashion. A primary motivation behind this decentralized approach is data…

cs.LG2023

Riemannian Projection-free Online Learning

Zihao Hu, Guanghui Wang, Jacob Abernethy

The projection operation is a critical component in a wide range of optimization algorithms, such as online gradient descent (OGD), for enforcing constraints and achieving optimal…

cs.LG2023

Minimizing Dynamic Regret on Geodesic Metric Spaces

Zihao Hu, Guanghui Wang, Jacob Abernethy

In this paper, we consider the sequential decision problem where the goal is to minimize the general dynamic regret on a complete Riemannian manifold. The task of offline optimizat…

cs.LG2022

Adaptive Oracle-Efficient Online Learning

Guanghui Wang, Zihao Hu, Vidya Muthukumar +1

The classical algorithms for online learning and decision-making have the benefit of achieving the optimal performance guarantees, but suffer from computational complexity limitati…

cs.LG2017

Supervised Hashing based on Energy Minimization

Zihao Hu, Xiyi Luo, Hongtao Lu +1

Recently, supervised hashing methods have attracted much attention since they can optimize retrieval speed and storage cost while preserving semantic information. Because hashing c…