Quasinormal operators are hyperreflexive
Tom 67 / 2005
                    
                    
                        Banach Center Publications 67 (2005), 241-244                    
                                        
                        MSC: Primary
47D25; Secondary 47B20, 47B35.                    
                                        
                        DOI: 10.4064/bc67-0-19                    
                                    
                                                Streszczenie
We will prove the statement in the title. We also give a better estimate for the hyperreflexivity constant for an analytic Toeplitz operator.
 
             
                                                             
                                                             
                                                             
                                                             
                                                             
                                                             
                                                         
                                                            