Cobos Díaz, FernandoFernández Martínez, Pedro2023-06-202023-06-2019941088-682610.2307/2161219https://hdl.handle.net/20.500.14352/57275We investigate dual spaces of interpolation spaces defined by means of polygons. We first show that dual spaces may fail to be intermediate spaces with respect to the dual N-tuple, and then we prove that dual spaces of J-spaces can be identified with closed subspaces of K-spaces generated by the dual N-tuple.engjournal articlehttps//doi.org/10.2307/2161219http://www.ams.org/journals/proc/1994-121-04/S0002-9939-1994-1209420-6/S0002-9939-1994-1209420-6.pdfrestricted access519.6Dual spaces of interpolation spaces defined by means of polygonsJ- spacesK-spacesAnálisis numérico1206 Análisis Numérico