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Factorization of a class of matrix-functions with stable partial indices. (English) Zbl 1345.15002

Summary: A new effective method for factorization of a class of nonrational \(n \times n\) matrix-functions with stable partial indices is proposed. The method is a generalization of one recently proposed by the authors, which was valid for the canonical factorization only. The class of matrices being considered is motivated by their applicability to various problems. The properties and steps of the asymptotic procedure are discussed in detail. The efficiency of the procedure is highlighted by numerical results.

MSC:

15A23 Factorization of matrices
15A54 Matrices over function rings in one or more variables
30E25 Boundary value problems in the complex plane
45E10 Integral equations of the convolution type (Abel, Picard, Toeplitz and Wiener-Hopf type)
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