Igor Simunec

According to our database, Igor Simunec authored at least 11 papers between 2020 and 2026.

Collaborative distances:

• Dijkstra number of five.
• Erdős number of four.

2026

Restoring similarity in randomized Krylov methods with applications to eigenvalue problems and matrix functions.

Laura Grigori, Daniel Kressner, Nian Shao, Igor Simunec

CoRR, January, 2026

2025

Randomized orthogonalization and Krylov subspace methods: principles and algorithms.

Jean-Guillaume de Damas, Laura Grigori, Igor Simunec, Edouard Timsit

CoRR, December, 2025

Randomized biorthogonalization through a two-sided Gram-Schmidt process.

Laura Grigori, Lorenzo Piccinini, Igor Simunec

CoRR, September, 2025

A Low-Memory Lanczos Method with Rational Krylov Compression for Matrix Functions.

Angelo A. Casulli, Igor Simunec

SIAM J. Sci. Comput., 2025

2024

Error bounds for the approximation of matrix functions with rational Krylov methods.

Igor Simunec

Numer. Linear Algebra Appl., October, 2024

A Sketch-and-Select Arnoldi Process.

Stefan Güttel, Igor Simunec

SIAM J. Sci. Comput., 2024

Estimation of spectral gaps for sparse symmetric matrices.

Michele Benzi, Michele Rinelli, Igor Simunec

CoRR, 2024

2023

Computation of the von Neumann entropy of large matrices via trace estimators and rational Krylov methods.

Michele Benzi, Michele Rinelli, Igor Simunec

Numerische Mathematik, December, 2023

2022

Computation of generalized matrix functions with rational Krylov methods.

Angelo Casulli, Igor Simunec

Math. Comput., November, 2022

2020

Rational Krylov methods for fractional diffusion problems on graphs.

Michele Benzi, Igor Simunec

CoRR, 2020

Non-local network dynamics via fractional graph Laplacians.

Michele Benzi, Daniele Bertaccini, Fabio Durastante, Igor Simunec, Ernesto Estrada

J. Complex Networks, 2020