INSTITUTE OF MATHEMATICS · POLISH ACADEMY OF SCIENCES
BANACH CENTER
PUBLICATIONS
ISSN: 0137-6934(p) 1730-6299(e)
Quasinormal operators are hyperreflexive
Kamila Kliś1, Marek Ptak2 Banach Center Publ. 67 (2005), 241-244
doi:10.4064/bc67-0-19
Abstract:
We will prove the statement in the title. We also give a
better estimate for the hyperreflexivity constant for an analytic
Toeplitz operator.