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Cholesky decomposition of skew-Hamiltonian matrices

H. Al Moatassime, M. Bassour, A.H. Bentbib


In this paper we present two new algorithms that factorize skew-Hamiltonian matrices M = RJR. This factorization is a key ingredient of algorithms for solving eigenvalue problem with Hamiltonian structure.


Hamiltonian matrices, Cholesky factorization, Skew-Hamiltonian matrix, RRJ factorization, eigenvalue problem.

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