Cobos Díaz, FernandoEdmunds, David E.Potter, Anthony J. B.2023-06-202023-06-2019900022-123610.1016/0022-1236(90)90110-7https://hdl.handle.net/20.500.14352/57339We prove that if T: A0 → B0 is compact and T: A1 → B1 is compact (or T: A1 → B1 is bounded and, then given any θ and q with 0 < θ < 1 and 0 < q⩽ ∞, it follows that T: (A0, A1)0,q → (B0, B1)0,q, is also compact. Here (A0, A1)0,q and (B0, B1)0,q are the usual real interpolation spaces.journal articlehttps//doi.org/10.1016/0022-1236(90)90110-7http://www.sciencedirect.com/science/article/pii/0022123690901107metadata only access517.98Análisis funcional y teoría de operadores