Metodi polinomiali per il calcolo di funzioni di matrici non simmetriche e di grandi dimensioni
Minimization of the spectral norm of the SOR operator in a mixed case.
Minimization properties and short recurrences for Krylov subspace methods.
Minimum Relative Error Approximations for 1/t.
Mixed Finite Elements for Second Order Elliptic Problems in Three Variables.
Mixed precision GMRES-based iterative refinement with recycling
With the emergence of mixed precision hardware, mixed precision GMRES-based iterative refinement schemes for solving linear systems have recently been developed. However, in certain settings, GMRES may require too many iterations per refinement step, making it potentially more expensive than the alternative of recomputing the LU factors in a higher precision. In this work, we incorporate the idea of Krylov subspace recycling, a well-known technique for reusing information across sequential invocations,...
Model analysis of BPX preconditioner based on smoothed aggregation
We prove nearly uniform convergence bounds for the BPX preconditioner based on smoothed aggregation under the assumption that the mesh is regular. The analysis is based on the fact that under the assumption of regular geometry, the coarse-space basis functions form a system of macroelements. This property tends to be satisfied by the smoothed aggregation bases formed for unstructured meshes.
Modification of the alternating direction implicit method and connections with von Neumann's method
Modified block-approximate factorization strategies.
Modified Moments for Indefinite Weight Functions.
Monotone convergence of the Lanczos approximations to matrix functions of Hermitian matrices.
Mulit-Grid Methods for Stokes and Navier-Stokes Equations. Transforming Smoothers: Algorithms and Numerical Results.
Multigrid conformal mapping via the Szegő kernel.
Multigrid for the Wilson mortar element method.
Multigrid method with preconditioning on coarse level
An algorithm for using the preconditioned conjugate gradient method to solve a coarse level problem is presented.
Multigrid Methods for Boundary Integral Equations.
Multi-Grid Methods for Hamiltonian-Jacobi-Bellmann Equations.
Multigrid preconditioning and Toeplitz matrices.
Multilevel iterative methods for mixed finite element discretizations of elliptic problems.
Multi-level method in eigenvalue problem
One method for computing the least eigenvalue of a positive definite matrix of order is described.