Inversion of Toeplitz-plus-Hankel Bezoutians

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Inversion of Toeplitz-plus-Hankel Bezoutians

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일정 2018-02-21(수) 15:30~17:00
세미나실 129동 301호
강연자 Torsten Ehrhardt (UC Santa Cruz)
담당교수 이우영
기타
The inversion of $n imes n$ matrices which are a sum of a Toeplitz and a Hankel matrix (briefly, T+H matrices) has been studied for a long time. It is known that the inverses of (nonsingular) T+H matrices are also matrices with a special structure, so-called T+H Bezoutians. The converse problem, namely the inversion of T+H Bezoutians has been given little attention. In this talk I will present some of the recent results concerning the inversion of centrosymmetric or centroskewsymmetric T+H Bezoutians. Open problems will also be mentioned.

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