Carro Rossell, María JesúsMartín i Pedret, Joaquim2011-03-082011-03-0820020010-0757https://hdl.handle.net/2445/16962We develop an abstract extrapolation theory for the real interpolation method that covers and improves the most recent versions of the celebrated theorems of Yano and Zygmund. As a consequence of our method, we give new endpoint estimates of the embedding Sobolev theorem for an arbitrary domain Omega22 p.application/pdfeng(c) Universitat de Barcelona, 2002Interpolació (Matemàtica)Interpolationinfo:eu-repo/semantics/article500375info:eu-repo/semantics/openAccess