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07/02/2023
Some preconditioning techniques for a class of double saddle point problems
In this paper, we describe and analyze the spectral properties of a numb...
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03/03/2023
Fast Iterative Solver for the All-at-Once Runge–Kutta Discretization
In this article, we derive fast and robust preconditioned iterative meth...
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05/18/2022
On the efficiency of Stochastic Quasi-Newton Methods for Deep Learning
While first-order methods are popular for solving optimization problems ...
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08/04/2020
Parallel Newton-Chebyshev Polynomial Preconditioners for the Conjugate Gradient method
In this note we exploit polynomial preconditioners for the Conjugate Gra...
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01/04/2020
Compact Quasi-Newton preconditioners for SPD linear systems
In this paper preconditioners for the Conjugate Gradient method are stud...
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12/20/2019