activity
19982023
most citedA Density Matrix-based Algorithm for Solving Eigenvalue Problems

434 citations · 1k across the 18 of their papers we have counts for

collaborators

24 papers

cond-mat.mtrl-sci2023

A method of calculating bandstructure in real-space with application to all-electron and full potential

Dongming Li, James Kestyn, Eric Polizzi

We introduce a practical and efficient approach for calculating the all-electron full potential bandstructure in real space, employing a finite element basis. As an alternative to…

cs.LG2023

Automatic Differentiation for Inverse Problems with Applications in Quantum Transport

Ivan Williams, Eric Polizzi

A neural solver and differentiable simulation of the quantum transmitting boundary model is presented for the inverse quantum transport problem. The neural solver is used to engine…

math.NA2020★ 2 cited

An Iterative Method for Contour-Based Nonlinear Eigensolvers

Julien Brenneck, Eric Polizzi

Contour integration techniques have become a popular choice for solving the linear and non-linear eigenvalue problems. They principally include the Sakurai-Sugiura methods, the Bey…

cond-mat.mtrl-sci2020

From Fundamental First-Principle Calculations to NanoEngineering Applications: Review of the NESSIE project

James Kestyn, Eric Polizzi

This paper outlines how modern first-principle calculations can adequately address the needs for ever higher levels of numerical accuracy and high-performance in large-scale electr…

cs.MS2020

FEAST Eigenvalue Solver v4.0 User Guide

Eric Polizzi

The FEAST library package represents an unified framework for solving various family of eigenvalue problems and achieving accuracy, robustness, high-performance and scalability on…

math.NA2018★ 1 cited

A Feature Complete SPIKE Banded Algorithm and Solver

Braegan S. Spring, Eric Polizzi, Ahmed H. Sameh

New features and enhancements for the SPIKE banded solver are presented. Among all the SPIKE algorithm versions, we focus our attention on the recursive SPIKE technique which provi…