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math.NA2020
Distributed solution of Laplacian eigenvalue problems
Antti Hannukainen, Jarmo Malinen, Antti Ojalammi
The purpose of this article is to approximately compute the eigenvalues of the symmetric Dirichlet Laplacian within an interval . A novel domain decomposition Ritz method, p…
math.NA2018
Efficient solution of symmetric eigenvalue problems from families of coupled systems
Antti Hannukainen, Jarmo Malinen, Antti Ojalammi
Efficient solution of the lowest eigenmodes is studied for a family of related eigenvalue problems with common block structure. It is assumed that the upper diagonal bl…