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2020 – today
- 2024
[j11]Manuel Bogoya
, Stefano Serra-Capizzano, Paraskevas Vassalos:
Fast Toeplitz eigenvalue computations, joining interpolation-extrapolation matrix-less algorithms and simple-loop theory: The preconditioned setting. Appl. Math. Comput. 466: 128483 (2024)- [j10]Manuel Bogoya, Sven-Erik Ekström, Stefano Serra-Capizzano, Paris Vassalos:
Matrix-less methods for the spectral approximation of large non-Hermitian Toeplitz matrices: A concise theoretical analysis and a numerical study. Numer. Linear Algebra Appl. 31(4) (2024) - 2023
- [i7]Giovanni Barbarino, Sven-Erik Ekström, Carlo Garoni, David Meadon, Stefano Serra-Capizzano, Paris Vassalos:
From asymptotic distribution and vague convergence to uniform convergence, with numerical applications. CoRR abs/2309.03662 (2023) - [i6]Giovanni Barbarino, Sven-Erik Ekström, Carlo Garoni, David Meadon, Stefano Serra-Capizzano, Paris Vassalos:
Spectral properties of flipped Toeplitz matrices. CoRR abs/2312.06170 (2023) - 2022
- [j9]Sven-Erik Ekström, Paris Vassalos:
A matrix-less method to approximate the spectrum and the spectral function of Toeplitz matrices with real eigenvalues. Numer. Algorithms 89(2): 701-720 (2022) - [j8]Nikos Barakitis, Sven-Erik Ekström, Paris Vassalos:
Preconditioners for fractional diffusion equations based on the spectral symbol. Numer. Linear Algebra Appl. 29(5) (2022) - [i5]Evangelos F. Magirou, Paraskevas Vassalos, Nikolaos Barakitis:
On a Boundary Updating Method for the Scalar Stefan Problem. CoRR abs/2202.06418 (2022) - [i4]Sven-Erik Ekström, Stefano Serra-Capizzano, Paris Vassalos:
A note on the eigenvalues, singular values, and eigenvectors of Toeplitz and Hankel matrices. CoRR abs/2203.06992 (2022) - [i3]Manuel Bogoya, Stefano Serra-Cappizano, Paris Vassalos:
Fast Toeplitz eigenvalue computations, joining interpolation-extrapolation matrix-less algorithms and simple-loop conjectures: the preconditioned setting. CoRR abs/2203.11338 (2022) - 2020
- [j7]Evangelos F. Magirou, Paraskevas Vassalos, Nikolaos Barakitis:
A policy iteration algorithm for the American put option and free boundary control problems. J. Comput. Appl. Math. 373: 112544 (2020)
2010 – 2019
- 2019
- [i2]Sven-Erik Ekström, Paris Vassalos:
A Matrix-Less Method to Approximate the Spectrum and the Spectral Function of Toeplitz Matrices with Complex Eigenvalues. CoRR abs/1910.13810 (2019) - [i1]Nikos Barakitis, Sven-Erik Ekström, Paris Vassalos:
Preconditioners for Fractional Diffusion Equations Based on the Spectral Symbol. CoRR abs/1912.13304 (2019)
2000 – 2009
- 2008
- [j6]Dimitrios Noutsos, Paraskevas Vassalos:
Superlinear convergence for PCG using band plus algebra preconditioners for Toeplitz systems. Comput. Math. Appl. 56(5): 1255-1270 (2008) - 2006
- [j5]Dimitrios Noutsos, Stefano Serra-Capizzano, Paraskevas Vassalos:
Block band Toeplitz preconditioners derived from generating function approximations: analysis and applications. Numerische Mathematik 104(3): 339-376 (2006) - [j4]Dimitrios Noutsos, Stefano Serra-Capizzano, Paraskevas Vassalos:
Two-level Toeplitz preconditioning: approximation results for matrices and functions. SIAM J. Sci. Comput. 28(2): 439-458 (2006) - 2005
- [j3]Dimitrios Noutsos, Stefano Serra-Capizzano, Paraskevas Vassalos:
A preconditioning proposal for ill-conditioned Hermitian two-level Toeplitz systems. Numer. Linear Algebra Appl. 12(2-3): 231-239 (2005) - 2004
- [j2]Dimitrios Noutsos, Stefano Serra-Capizzano, Paraskevas Vassalos:
Matrix algebra preconditioners for multilevel Toeplitz systems do not insure optimal convergence rate. Theor. Comput. Sci. 315(2-3): 557-579 (2004) - 2002
- [j1]Dimitrios Noutsos, Paraskevas Vassalos:
New Band Toeplitz Preconditioners for Ill-Conditioned Symmetric Positive Definite Toeplitz Systems. SIAM J. Matrix Anal. Appl. 23(3): 728-743 (2002)
Coauthor Index
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