Castelnuovo's rationality criterion
                        
                            GPTKB entity
                        
                    
                Statements (13)
| Predicate | Object | 
|---|---|
| gptkbp:instanceOf | 
                                    
                                        
                                            gptkb:mathematical_concept
                                        
                                         | 
                            
| gptkbp:appliesTo | 
                                    
                                        
                                            
                                            algebraically closed field of characteristic 0
                                        
                                        
                                         smooth projective surfaces  | 
                            
| gptkbp:concerns | 
                                    
                                        
                                            
                                            rational surfaces
                                        
                                        
                                         | 
                            
| gptkbp:field | 
                                    
                                        
                                            gptkb:algebraic_geometry
                                        
                                         | 
                            
| gptkbp:implies | 
                                    
                                        
                                            
                                            classification of rational surfaces
                                        
                                        
                                         | 
                            
| gptkbp:namedAfter | 
                                    
                                        
                                            gptkb:Guido_Castelnuovo
                                        
                                         | 
                            
| gptkbp:publishedIn | 
                                    
                                        
                                            
                                            1896
                                        
                                        
                                         | 
                            
| gptkbp:relatedTo | 
                                    
                                        
                                            gptkb:Enriques–Kodaira_classification
                                        
                                         | 
                            
| gptkbp:state | 
                                    
                                        
                                            
                                            A smooth projective surface over an algebraically closed field of characteristic 0 is rational if and only if its geometric genus and irregularity are both zero.
                                        
                                        
                                         | 
                            
| gptkbp:bfsParent | 
                                    
                                        
                                            gptkb:Guido_Castelnuovo
                                        
                                         | 
                            
| gptkbp:bfsLayer | 
                                    
                                        
                                            
                                            6
                                        
                                        
                                         | 
                            
| https://www.w3.org/2000/01/rdf-schema#label | 
                                    
                                        
                                            
                                            Castelnuovo's rationality criterion
                                        
                                        
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