We give very short and transparent proofs of extrapolation theorems of Yano type in the framework of Lorentz spaces. The decomposition technique developed in Edmunds-Krbec (2000) enables us to obtain known and new results in a unified manner.
@article{urn:eudml:doc:44546, title = {Variations on Yano's extrapolation theorem.}, journal = {Revista Matem\'atica de la Universidad Complutense de Madrid}, volume = {18}, year = {2005}, pages = {111-118}, zbl = {1084.46022}, mrnumber = {MR2135534}, language = {en}, url = {http://dml.mathdoc.fr/item/urn:eudml:doc:44546} }
Edmunds, David E.; Krbec, Miroslav. Variations on Yano's extrapolation theorem.. Revista Matemática de la Universidad Complutense de Madrid, Tome 18 (2005) pp. 111-118. http://gdmltest.u-ga.fr/item/urn:eudml:doc:44546/