Non-unitary CMV-decomposition

Autor: Marc Van Barel, Raf Vandebril, Niel Van Buggenhout
Rok vydání: 2020
Předmět:
Zdroj: Special Matrices, Vol 8, Iss 1, Pp 144-159 (2020)
ISSN: 2300-7451
DOI: 10.1515/spma-2020-0107
Popis: An important decomposition for unitary matrices, the CMV-decomposition, is extended to general non-unitary matrices. This relates to short recurrence relations constructing biorthogonal bases for a particular pair of extended Krylov subspaces.
Databáze: OpenAIRE