Daniela di Serafino

Efficient Preconditioner Updates for Shifted Linear Systems

We present a technique for building effective and low cost preconditioners for sequences of shifted linear systems

MLD2P4: A Package of Parallel Algebraic Multilevel Domain Decomposition Preconditioners in Fortran 95

(A + \alpha I) x_\alpha = b

A Preconditioning Framework for Sequences of Diagonally Modified Linear Systems Arising in Optimization

, where

Integrating MPI-based numerical software into an advanced parallel computing environment

A

On the steplength selection in gradient methods for unconstrained optimization

is symmetric positive definite and

On the Application of the Spectral Projected Gradient Method in Image Segmentation

\alpha > 0

On the regularizing behavior of the SDA and SDC gradient methods in the solution of linear ill-posed problems

. This technique updates a preconditioner for

Application of a parallel photochemical air quality model to the Campania region (southern Italy)

A

2LEV-D2P4: a package of high-performance preconditioners for scientific and engineering applications

, available in the form of an

Extending PSBLAS to build parallel schwarz preconditioners

LDL^T