Congruence of Hermitian matrices over some localizations of \(C[z, z^{- 1}]\) (Q1890749)
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scientific article; zbMATH DE number 757607
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | Congruence of Hermitian matrices over some localizations of \(C[z, z^{- 1}]\) |
scientific article; zbMATH DE number 757607 |
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Congruence of Hermitian matrices over some localizations of \(C[z, z^{- 1}]\) (English)
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23 May 1995
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The paper presents the congruence problem for Hermitian matrices over \(C_ \lambda\) using the concepts of subring of the function field \(C(z)\) consisting of all functions \(a\in C(z)\) which have no pole at \(\lambda\). A lot of case-studies are presented with an example.
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subring
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function field
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pole
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Hermitian matrix
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Laurent polynomial
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congruence problem
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