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Paraskevas Vassalos

Orcid: 0000-0002-2131-7643

According to our database1, Paraskevas Vassalos authored at least 16 papers between 2002 and 2024.

Collaborative distances:
  • Dijkstra number2 of five.
  • Erdős number3 of five.

Timeline

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Bibliography

2024
Fast Toeplitz eigenvalue computations, joining interpolation-extrapolation matrix-less algorithms and simple-loop theory: The preconditioned setting.
[BibTeX]
[DOI]
Manuel Bogoya
,
Stefano Serra Capizzano
,
Paraskevas Vassalos
Appl. Math. Comput., April, 2024

2023
Spectral properties of flipped Toeplitz matrices.
[BibTeX]
[DOI]
Giovanni Barbarino
,
Sven-Erik Ekström
,
Carlo Garoni
,
David Meadon
,
Stefano Serra Capizzano
,
Paris Vassalos
CoRR, 2023

From asymptotic distribution and vague convergence to uniform convergence, with numerical applications.
[BibTeX]
[DOI]
Giovanni Barbarino
,
Sven-Erik Ekström
,
Carlo Garoni
,
David Meadon
,
Stefano Serra Capizzano
,
Paris Vassalos
CoRR, 2023

2022
Preconditioners for fractional diffusion equations based on the spectral symbol.
[BibTeX]
[DOI]
Nikos Barakitis
,
Sven-Erik Ekström
,
Paris Vassalos
Numer. Linear Algebra Appl., 2022

A matrix-less method to approximate the spectrum and the spectral function of Toeplitz matrices with real eigenvalues.
[BibTeX]
[DOI]
Sven-Erik Ekström
,
Paris Vassalos
Numer. Algorithms, 2022

Fast Toeplitz eigenvalue computations, joining interpolation-extrapolation matrix-less algorithms and simple-loop conjectures: the preconditioned setting.
[BibTeX]
[DOI]
Manuel Bogoya
,
Stefano Serra-Cappizano
,
Paris Vassalos
CoRR, 2022

A note on the eigenvalues, singular values, and eigenvectors of Toeplitz and Hankel matrices.
[BibTeX]
[DOI]
Sven-Erik Ekström
,
Stefano Serra Capizzano
,
Paris Vassalos
CoRR, 2022

On a Boundary Updating Method for the Scalar Stefan Problem.
[BibTeX]
[DOI]
Evangelos F. Magirou
,
Paraskevas Vassalos
,
Nikolaos Barakitis
CoRR, 2022

2020
A policy iteration algorithm for the American put option and free boundary control problems.
[BibTeX]
[DOI]
Evangelos F. Magirou
,
Paraskevas Vassalos
,
Nikolaos Barakitis
J. Comput. Appl. Math., 2020

2019
A Matrix-Less Method to Approximate the Spectrum and the Spectral Function of Toeplitz Matrices with Complex Eigenvalues.
[BibTeX]
[DOI]
Sven-Erik Ekström
,
Paris Vassalos
CoRR, 2019

2008
Superlinear convergence for PCG using band plus algebra preconditioners for Toeplitz systems.
[BibTeX]
[DOI]
Dimitrios Noutsos
,
Paraskevas Vassalos
Comput. Math. Appl., 2008

2006
Two-level Toeplitz preconditioning: approximation results for matrices and functions.
[BibTeX]
[DOI]
Dimitrios Noutsos
,
Stefano Serra Capizzano
,
Paraskevas Vassalos
SIAM J. Sci. Comput., 2006

Block band Toeplitz preconditioners derived from generating function approximations: analysis and applications.
[BibTeX]
[DOI]
Dimitrios Noutsos
,
Stefano Serra Capizzano
,
Paraskevas Vassalos
Numerische Mathematik, 2006

2005
A preconditioning proposal for ill-conditioned Hermitian two-level Toeplitz systems.
[BibTeX]
[DOI]
Dimitrios Noutsos
,
Stefano Serra Capizzano
,
Paraskevas Vassalos
Numer. Linear Algebra Appl., 2005

2004
Matrix algebra preconditioners for multilevel Toeplitz systems do not insure optimal convergence rate.
[BibTeX]
[DOI]
Dimitrios Noutsos
,
Stefano Serra Capizzano
,
Paraskevas Vassalos
Theor. Comput. Sci., 2004

2002
New Band Toeplitz Preconditioners for Ill-Conditioned Symmetric Positive Definite Toeplitz Systems.
[BibTeX]
[DOI]
Dimitrios Noutsos
,
Paraskevas Vassalos
SIAM J. Matrix Anal. Appl., 2002


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