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03/22/2023
A two-dimensional minimum residual technique for accelerating two-step iterative solvers with applications to discrete ill-posed problems
This paper deals with speeding up the convergence of a class of two-step...
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12/19/2022
Computation of the von Neumann entropy of large matrices via trace estimators and rational Krylov methods
We consider the problem of approximating the von Neumann entropy of a la...
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10/25/2022
Structural analysis of water networks
Liquid water, besides being fundamental for life on Earth, has long fasc...
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09/01/2022
Efficient preconditioners for solving dynamical optimal transport via interior point methods
In this paper we address the numerical solution of the quadratic optimal...
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06/21/2022
Solving linear systems of the form (A + γUU^T) x = b by preconditioned iterative methods
We consider the iterative solution of large linear systems of equations ...
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11/24/2021
Solving cubic matrix equations arising in conservative dynamics
In this paper we consider the spatial semi-discretization of conservativ...
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10/22/2021
Refined decay bounds on the entries of spectral projectors associated with sparse Hermitian matrices
Spectral projectors of Hermitian matrices play a key role in many applic...
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12/15/2020
Rational Krylov methods for fractional diffusion problems on graphs
In this paper we propose a method to compute the solution to the fractio...
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09/28/2020