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09/11/2023
Analysis of Randomized Householder-Cholesky QR Factorization with Multisketching
CholeskyQR2 and shifted CholeskyQR3 are two state-of-the-art algorithms ...
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12/08/2022
Preconditioned Chebyshev BiCG for parameterized linear systems
The biconjugate gradient method (BiCG) is one of the most popular short-...
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09/08/2022
On the Convergence of Randomized and Greedy Relaxation Schemes for Solving Nonsingular Linear Systems of Equations
We extend results known for the randomized Gauss-Seidel and the Gauss-So...
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11/10/2021
On non-Hermitian positive (semi)definite linear algebraic systems arising from dissipative Hamiltonian DAEs
We discuss different cases of dissipative Hamiltonian differential-algeb...
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07/21/2021
A posteriori superlinear convergence bounds for block conjugate gradient
In this paper, we extend to the block case, the a posteriori bound showi...
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09/04/2020