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math.NA2019
Stochastic collocation method for computing eigenspaces of parameter-dependent operators
Luka Grubišić, Harri Hakula, Mikael Laaksonen
We consider computing eigenspaces of an elliptic self-adjoint operator depending on a countable number of parameters in an affine fashion. The eigenspaces of interest are assumed t…
math.NA2019
Analysis of FEAST spectral approximations using the DPG discretization
Jay Gopalakrishnan, Luka Grubišić, Jeffrey Ovall +1
A filtered subspace iteration for computing a cluster of eigenvalues and its accompanying eigenspace, known as "FEAST", has gained considerable attention in recent years. This work…