New Band Toeplitz Preconditioners for Ill-Conditioned Symmetric Positive Definite Toeplitz Systems. - Dimitrios Noutsos; Paraskevas Vassalos (SIAM J. Matrix Anal. Appl., 2002)

Matrix algebra preconditioners for multilevel Toeplitz systems do not insure optimal convergence rate. - Dimitrios Noutsos; Stefano Serra-Capizzano; Paraskevas Vassalos (Theor. Comput. Sci., 2004)

A preconditioning proposal for ill-conditioned Hermitian two-level Toeplitz systems. - Dimitrios Noutsos; Stefano Serra-Capizzano; Paraskevas Vassalos (Numer. Linear Algebra Appl., 2005)

Block band Toeplitz preconditioners derived from generating function approximations: analysis and applications. - Dimitrios Noutsos; Stefano Serra-Capizzano; Paraskevas Vassalos (Numerische Mathematik, 2006)

Two-level Toeplitz preconditioning: approximation results for matrices and functions. - Dimitrios Noutsos; Stefano Serra-Capizzano; Paraskevas Vassalos (SIAM J. Sci. Comput., 2006)

Superlinear convergence for PCG using band plus algebra preconditioners for Toeplitz systems. - Dimitrios Noutsos; Paraskevas Vassalos (Comput. Math. Appl., 2008)

A Matrix-Less Method to Approximate the Spectrum and the Spectral Function of Toeplitz Matrices with Complex Eigenvalues. - Sven-Erik Ekström; Paris Vassalos (CoRR, 2019)

A policy iteration algorithm for the American put option and free boundary control problems. - Evangelos F. Magirou; Paraskevas Vassalos; Nikolaos Barakitis (J. Comput. Appl. Math., 2020)

On a Boundary Updating Method for the Scalar Stefan Problem. - Evangelos F. Magirou; Paraskevas Vassalos; Nikolaos Barakitis (CoRR, 2022)

A note on the eigenvalues, singular values, and eigenvectors of Toeplitz and Hankel matrices. - Sven-Erik Ekström; Stefano Serra-Capizzano; Paris Vassalos (CoRR, 2022)

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

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

Preconditioners for fractional diffusion equations based on the spectral symbol. - Nikos Barakitis; Sven-Erik Ekström; Paris Vassalos (Numer. Linear Algebra Appl., 2022)

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

Spectral properties of flipped Toeplitz matrices. - Giovanni Barbarino; Sven-Erik Ekström; Carlo Garoni; David Meadon; Stefano Serra-Capizzano; Paris Vassalos (CoRR, 2023)

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

Matrix-less methods for the spectral approximation of large non-Hermitian Toeplitz matrices: A concise theoretical analysis and a numerical study. - Manuel Bogoya; Sven-Erik Ekström; Stefano Serra-Capizzano; Paris Vassalos (Numer. Linear Algebra Appl., 2024)

Spectral properties of flipped Toeplitz matrices and computational applications. - Giovanni Barbarino; Sven-Erik Ekström; Carlo Garoni; David Meadon; Stefano Serra-Capizzano; Paris Vassalos (Appl. Math. Comput., 2025)