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math.NA2020★ 1 cited
The asymptotic spectrum of flipped multilevel Toeplitz matrices and of certain preconditionings
M. Mazza, J. Pestana
In this work, we perform a spectral analysis of flipped multilevel Toeplitz sequences, i.e., we study the asymptotic spectral behaviour of $\{Y_{\boldsymbol{n}}T_{\boldsymbol{n}}(f…
math.NA2020★ 2 cited
Analysis of parallel Schwarz algorithms for time-harmonic problems using block Toeplitz matrices
Niall Bootland, Victorita Dolean, Alexandros Kyriakis +1
In this work we study the convergence properties of the one-level parallel Schwarz method with Robin transmission conditions applied to the one-dimensional and two-dimensional Helm…