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06/06/2023
A block α-circulant based preconditioned MINRES method for wave equations
In this work, we propose an absolute value block α-circulant preconditio...
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09/26/2021
A Parallel-in-Time Preconditioner for the Schur Complement of Parabolic Optimal Control Problems
For optimal control problems constrained by a initial-valued parabolic P...
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02/02/2021
Spectral analysis for preconditioning of multi-dimensional Riesz fractional diffusion equations
In this paper, we analyze the spectra of the preconditioned matrices ari...
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01/31/2021
