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    PPSC
    1993
    97views Distributed And Parallel Com...» more  PPSC 1993»
    Parallel Preconditioning and Approximate Inverses on the Connection Machine
    13 years 5 months ago
    Parallel Preconditioning and Approximate Inverses on the Connection Machine
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    We present a new approach to preconditioning for very large, sparse, non-symmetric, linear systems. We explicitly compute an approximate inverse to our original matrix that can be...
    Marcus J. Grote, Horst D. Simon
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    IPPS
    2006
    IEEE
    160views Distributed And Parallel Com...» more  IPPS 2006»
    On the performance of parallel normalized explicit preconditioned conjugate gradient type methods
    13 years 10 months ago
    On the performance of parallel normalized explicit preconditioned conjugate gradient type methods
    Download  www.cecs.uci.edu
    A new class of parallel normalized preconditioned conjugate gradient type methods in conjunction with normalized approximate inverses algorithms, based on normalized approximate f...
    George A. Gravvanis, Konstantinos M. Giannoutakis
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    SC
    2003
    ACM
    135views Applied Computing» more  SC 2003»
    Parallel Multilevel Sparse Approximate Inverse Preconditioners in Large Sparse Matrix Computations
    13 years 9 months ago
    Parallel Multilevel Sparse Approximate Inverse Preconditioners in Large Sparse Matrix Computations
    Download  www.sc-conference.org
    We investigate the use of the multistep successive preconditioning strategies (MSP) to construct a class of parallel multilevel sparse approximate inverse (SAI) preconditioners. W...
    Kai Wang, Jun Zhang, Chi Shen
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    AMC
    2006
    80views more  AMC 2006»
    Parallel preconditioned conjugate gradient optimization of the Rayleigh quotient for the solution of sparse eigenproblems
    13 years 4 months ago
    Parallel preconditioned conjugate gradient optimization of the Rayleigh quotient for the solution of sparse eigenproblems
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    A parallel algorithm based on the multidimensional minimization of the Rayleigh quotient is proposed to evaluate the leftmost eigenpairs of the generalized symmetric positive defi...
    Luca Bergamaschi, Angeles Martinez, Giorgio Pini
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    ADCM
    2011
    200views Distributed And Parallel Com...» more  ADCM 2011»
    Perturbed preconditioned inverse iteration for operator eigenvalue problems with applications to adaptive wavelet discretization
    12 years 11 months ago
    Perturbed preconditioned inverse iteration for operator eigenvalue problems with applications to adaptive wavelet discretization
    Download  www.math.tu-berlin.de
    ABSTRACT. In this paper we discuss an abstract iteration scheme for the calculation of the smallest eigenvalue of an elliptic operator eigenvalue problem. A short and geometric pro...
    Thorsten Rohwedder, Reinhold Schneider, Andreas Ze...
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