Quasinormal operators are hyperreflexive
Kamila Kliś ; Marek Ptak
Banach Center Publications, Tome 68 (2005), p. 241-244 / Harvested from The Polish Digital Mathematics Library
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We will prove the statement in the title. We also give a better estimate for the hyperreflexivity constant for an analytic Toeplitz operator.

Publié le : 2005-01-01
EUDML-ID : urn:eudml:doc:282394 
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     author = {Kamila Kli\'s and Marek Ptak},
     title = {Quasinormal operators are hyperreflexive},
     journal = {Banach Center Publications},
     volume = {68},
     year = {2005},
     pages = {241-244},
     zbl = {1068.47087},
     language = {en},
     url = {http://dml.mathdoc.fr/item/bwmeta1.element.bwnjournal-article-doi-10_4064-bc67-0-19}
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Kamila Kliś; Marek Ptak. Quasinormal operators are hyperreflexive. Banach Center Publications, Tome 68 (2005) pp. 241-244. http://gdmltest.u-ga.fr/item/bwmeta1.element.bwnjournal-article-doi-10_4064-bc67-0-19/