Geodesic
On equivalence of K- and J-methods for (n+1)-tuples of Banach spaces
Studia Mathematica, Tome 122 (1997) no. 2, pp. 99-116 Cet article a éte moissonné depuis la source Institute of Mathematics Polish Academy of Sciences

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It is shown that the main results of the theory of real interpolation, i.e. the equivalence and reiteration theorems, can be extended from couples to a class of (n+1)-tuples of Banach spaces, which includes (n+1)-tuples of Banach function lattices, Sobolev and Besov spaces. As an application of our results, it is shown that Lions' problem on interpolation of subspaces and Semenov's problem on interpolation of subcouples have positive solutions when all spaces are Banach function lattices or their retracts. In general, these problems have negative solutions. 
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     title = {On equivalence of {K-} and {J-methods} for (n+1)-tuples of {Banach} spaces},
     journal = {Studia Mathematica},
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Irina Asekritova;  . On equivalence of K- and J-methods for (n+1)-tuples of Banach spaces. Studia Mathematica, Tome 122 (1997) no. 2, pp. 99-116. doi: 10.4064/sm-122-2-99-116

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