CONVERGENCE IMPROVEMENT FOR THE INFINITE DETERMINANTS OF HILL SYSTEMS

DENK, R (1995) CONVERGENCE IMPROVEMENT FOR THE INFINITE DETERMINANTS OF HILL SYSTEMS. ZEITSCHRIFT FUR ANGEWANDTE MATHEMATIK UND MECHANIK, 75 (6). pp. 463-470. ISSN 0044-2267,

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Abstract

The Floquet exponents of the matrix-valued version of the finite Hill equation can be calculated as the zeros of an infinite determinant. In this paper the convergence of this determinant is improved by splitting up suitable infinite products where the definition of such products is based on the knowledge of the asymptotic behaviour of the finite section determinants. For both, the symmetric and the non-symmetric case of the finite Hill equation several methods of convergence acceleration are presented. Numerical examples show that these methods lead to an efficient evaluation of the infinite determinant.

Item Type: Article
Uncontrolled Keywords: ;
Depositing User: Dr. Gernot Deinzer
Last Modified: 19 Oct 2022 08:38
URI: https://pred.uni-regensburg.de/id/eprint/52903

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