activity
20192025
most citedDADAM: A Consensus-based Distributed Adaptive Gradient Method for Online Optimization

15 citations · 24 across the 5 of their papers we have counts for

collaborators

6 papers

cs.LG2025

Stochastic Regret Guarantees for Online Zeroth- and First-Order Bilevel Optimization

Parvin Nazari, Bojian Hou, Davoud Ataee Tarzanagh +2

Online bilevel optimization (OBO) is a powerful framework for machine learning problems where both outer and inner objectives evolve over time, requiring dynamic updates. Current O…

cs.LG2022★ 1 cited

A Penalty-Based Method for Communication-Efficient Decentralized Bilevel Programming

Parvin Nazari, Ahmad Mousavi, Davoud Ataee Tarzanagh +1

Bilevel programming has recently received attention in the literature due to its wide range of applications, including reinforcement learning and hyper-parameter optimization. Howe…

cs.LG2022

Dynamic Regret of Adaptive Gradient Methods for Strongly Convex Problems

Parvin Nazari, Esmaile Khorram

Adaptive gradient algorithms such as ADAGRAD and its variants have gained popularity in the training of deep neural networks. While many works as for adaptive methods have focused…

cs.LG2021

Dynamic Regret Analysis for Online Meta-Learning

Parvin Nazari, Esmaile Khorram

The online meta-learning framework has arisen as a powerful tool for the continual lifelong learning setting. The goal for an agent is to quickly learn new tasks by drawing on prio…

math.OC2020★ 8 cited

Adaptive First-and Zeroth-order Methods for Weakly Convex Stochastic Optimization Problems

Parvin Nazari, Davoud Ataee Tarzanagh, George Michailidis

In this paper, we design and analyze a new family of adaptive subgradient methods for solving an important class of weakly convex (possibly nonsmooth) stochastic optimization probl…

cs.LG2019★ 15 cited

DADAM: A Consensus-based Distributed Adaptive Gradient Method for Online Optimization

Parvin Nazari, Davoud Ataee Tarzanagh, George Michailidis

Adaptive gradient-based optimization methods such as \textsc{Adagrad}, \textsc{Rmsprop}, and \textsc{Adam} are widely used in solving large-scale machine learning problems includin…