The inertia of hermitian matrices with a prescribed 2×2 block decomposition

Autor:	E. Marques de Sá, Bryan E. Cain
Rok vydání:	1992
Předmět:	Combinatorics Linear inequality Algebra and Number Theory media_common.quotation_subject Decomposition (computer science) Block (permutation group theory) Inertia Hermitian matrix Mathematics media_common
Zdroj:	Linear and Multilinear Algebra. 31:119-130
ISSN:	1563-5139 0308-1087
DOI:	10.1080/03081089208818128
Popis:	Let denote given nonnegative integers, and consider the Hermitian matrices where each Hi =Hi* is ni × ni . We characterize the sets of inertias In each case the possible values of In(H)=(πν*) are characterized by a system of linear inequalities involving π,ν and the given integers.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_________::9cdd2f17c144f7b5692aec5a096150bc https://doi.org/10.1080/03081089208818128 Zobrazit plný text záznamu