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06/27/2022
Augmentation-Based Preconditioners for Saddle-Point Systems with Singular Leading Blocks
We consider the iterative solution of symmetric saddle-point matrices wi...
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05/30/2022
Eigenvalue Bounds for Saddle-Point Systems with Singular Leading Blocks
We derive bounds on the eigenvalues of saddle-point matrices with singul...
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10/26/2021
Eigenvalue Bounds for Double Saddle-Point Systems
We derive bounds on the eigenvalues of a generic form of double saddle-p...
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07/23/2018