7–11 Apr 2025
Lecture and Conference Centre
Europe/Warsaw timezone

On a matrix-Newton-type framework for solving NEPv

9 Apr 2025, 17:30
20m
Room 0.21

Room 0.21

Speaker

Tom Werner

Description

In this talk, we want to introduce a novel framework for solving nonlinear matrix equations by inexact matrix-valued Newton-Krylov methods. In this framework, we consider global Krylov subspace methods for solving the correction equation and discuss the benefits of this approach. Finally, we show how to use the proposed algorithm to solve nonlinear eigenvector dependent eigenvalue problems (NEPv) and compare with the well-established self-consistent field iteration on different examples arising in quantum physics and data science applications.

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