26 citations · 39 across the 8 of their papers we have counts for
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math.NA2019★ 26 cited
Preconditioners for Fractional Diffusion Equations Based on the Spectral Symbol
Nikos Barakitis, Sven-Erik Ekström, Paris Vassalos
It is well known that the discretization of fractional diffusion equations (FDEs) with fractional derivatives , using the so-called weighted and shifted Grünwald formula…
math.NA2019★ 2 cited
A Matrix-Less Method to Approximate the Spectrum and the Spectral Function of Toeplitz Matrices with Complex Eigenvalues
Sven-Erik Ekström, Paris Vassalos
It is known that the generating function of a sequence of Toeplitz matrices may not describe the asymptotic distribution of the eigenvalues of if is…
math.NA2019★ 8 cited
A Matrix-Less Method to Approximate the Spectrum and the Spectral Function of Toeplitz Matrices with Real Eigenvalues
Sven-Erik Ekström
It is known that the generating function of a sequence of Toeplitz matrices may not describe the asymptotic distribution of the eigenvalues of if is…