activity
20192024
most citedFundamental Limits of Ridge-Regularized Empirical Risk Minimization in High Dimensions

17 citations · 29 across the 7 of their papers we have counts for

collaborators

8 papers

cs.LG2024

Sharper Guarantees for Learning Neural Network Classifiers with Gradient Methods

Hossein Taheri, Christos Thrampoulidis, Arya Mazumdar

In this paper, we study the data-dependent convergence and generalization behavior of gradient methods for neural networks with smooth activation. Our first result is a novel bound…

cs.LG2023

Fast Convergence in Learning Two-Layer Neural Networks with Separable Data

Hossein Taheri, Christos Thrampoulidis

Normalized gradient descent has shown substantial success in speeding up the convergence of exponentially-tailed loss functions (which includes exponential and logistic losses) on…

stat.ML2023★ 1 cited

Generalization and Stability of Interpolating Neural Networks with Minimal Width

Hossein Taheri, Christos Thrampoulidis

We investigate the generalization and optimization properties of shallow neural-network classifiers trained by gradient descent in the interpolating regime. Specifically, in a real…

cs.LG2022★ 2 cited

On Generalization of Decentralized Learning with Separable Data

Hossein Taheri, Christos Thrampoulidis

Decentralized learning offers privacy and communication efficiency when data are naturally distributed among agents communicating over an underlying graph. Motivated by overparamet…

stat.ML2020★ 3 cited

Asymptotic Behavior of Adversarial Training in Binary Classification

Hossein Taheri, Ramtin Pedarsani, Christos Thrampoulidis

It has been consistently reported that many machine learning models are susceptible to adversarial attacks i.e., small additive adversarial perturbations applied to data points can…

stat.ML2020★ 17 cited

Fundamental Limits of Ridge-Regularized Empirical Risk Minimization in High Dimensions

Hossein Taheri, Ramtin Pedarsani, Christos Thrampoulidis

Empirical Risk Minimization (ERM) algorithms are widely used in a variety of estimation and prediction tasks in signal-processing and machine learning applications. Despite their p…

math.ST2020★ 6 cited

Sharp Asymptotics and Optimal Performance for Inference in Binary Models

Hossein Taheri, Ramtin Pedarsani, Christos Thrampoulidis

We study convex empirical risk minimization for high-dimensional inference in binary models. Our first result sharply predicts the statistical performance of such estimators in the…

math.ST2019

Sharp Guarantees for Solving Random Equations with One-Bit Information

Hossein Taheri, Ramtin Pedarsani, Christos Thrampoulidis

We study the performance of a wide class of convex optimization-based estimators for recovering a signal from corrupted one-bit measurements in high-dimensions. Our general result…