Abstract
We establish compactness results for extrapolation constructions which correspond to the well-known Lions-Peetre compactness theorems of interpolation theory. Applications are given to compactness of certain limiting Sobolev embeddings.
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The authors have been supported in part by the Spanish Ministerio de Economía y Competitividad (MTM2010-15814).
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Communicated by L.Ambrosio.
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Cobos, F., Kühn, T. Extrapolation results of Lions-Peetre type. Calc. Var. 49, 847–860 (2014). https://doi.org/10.1007/s00526-013-0602-z
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DOI: https://doi.org/10.1007/s00526-013-0602-z