Weak Closure Theorem fails for ${\Bbb Z}^2$-actions
Tom 153 / 2002
                    
                    
                        Studia Mathematica 153 (2002), 115-125                    
                                        
                        MSC: 37A05, 37A15, 37A35.                    
                                        
                        DOI: 10.4064/sm153-2-2                    
                                    
                                                Streszczenie
We construct an example of a Morse ${{\mathbb Z}}^2$-action which has rank one and whose centralizer contains elements which cannot be weakly approximated by the transformations of the action.
 
             
                                                             
                                                             
                                                             
                                                             
                                                             
                                                             
                                                         
                                                            