On the decomposition of families of quasinormal operators

Zbigniew Burdak


The canonical injective decomposition of a jointly quasinormal family of operators is given. Relations between the decomposition of a quasinormal operator T and the decomposition of a partial isometry in the polar decomposition of T are described. The decomposition of pairs of commuting quasinormal partial isometries and its applications to pairs of commuting quasinormal operators is shown. Examples are given.
Author Zbigniew Burdak (FoEEaLS / DoAM)
Zbigniew Burdak,,
- Department of Applied Mathematics
Journal seriesOpuscula Mathematica, ISSN 1232-9274, (B 11 pkt)
Issue year2013
Pages419- 438
Publication size in sheets0.95
Keywords in Englishmultiple canonical decomposition, quasinormal operators, partial isometry
URL http://www.opuscula.agh.edu.pl/vol33/3/art/opuscula_math_3326.pdf
Internal identifierWIŚIG/2013/119
Languageen angielski
Score (nominal)11
ScoreMinisterial score = 10.0, 26-07-2017, ArticleFromJournal
Ministerial score (2013-2016) = 11.0, 26-07-2017, ArticleFromJournal
Citation count*2 (2020-04-01)
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