Descriptive set theoretical complexity of randomness notions
Volume 215 / 2011
                    
                    
                        Fundamenta Mathematicae 215 (2011), 219-231                    
                                        
                        MSC: 03D32, 03E15, 54H05.                    
                                        
                        DOI: 10.4064/fm215-3-2                    
                                    
                                                Abstract
We study the descriptive set theoretical complexity of various randomness notions.