A tiling property for actions of amenable groups along Tempelman Følner sequences
Tom 72 / 2024
                    
                    
                        Bulletin Polish Acad. Sci. Math. 72 (2024), 7-16                    
                                        
                        MSC: Primary 03E15; Secondary 37A30                    
                                        
                        DOI: 10.4064/ba230330-26-2                    
                                            
                            Opublikowany online: 27 March 2024                        
                                    
                                                Streszczenie
We show that a certain tiling property (which directly implies the pointwise ergodic theorem) holds for pmp actions of amenable groups along increasing Tempelman Følner sequences, thus providing a short and combinatorial proof of the corresponding pointwise ergodic theorem.
 
             
                                                             
                                                             
                                                             
                                                             
                                                             
                                                             
                                                         
                                                            