Reiteration and a Wolff theorem for interpolation methods defined by means of polygons
Volume 102 / 1992
                    
                    
                        Studia Mathematica 102 (1992), 239-256                    
                                        
                        DOI: 10.4064/sm-102-3-239-256                    
                                    
                                                Abstract
We prove a reiteration theorem for interpolationmethods defined by means of polygons, and a Wolff theorem for the case when the polygon has 3 or 4 vertices. In particular, we establish a Wolff theorem for Fernandez' spaces, which settles a problem left over in [5].
 
             
                                                             
                                                             
                                                             
                                                             
                                                             
                                                             
                                                         
                                                            