Continuity of composition operators in Sobolev spaces

  • Gérard Bourdaud

    Université de Paris, I.M.J. - P.R.G., Case 7012, 75205 Paris Cedex 13, France
  • Madani Moussai

    Laboratory of Functional Analysis and Geometry of Spaces, M. Boudiaf University of M'Sila, 28000 M'Sila, Algeria
Continuity of composition operators in Sobolev spaces cover

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Abstract

We prove that all the composition operators , which take the Adams–Frazier space to itself, are continuous mappings from to itself, for every integer and every real number . The same automatic continuity property holds for Sobolev spaces for and .

Cite this article

Gérard Bourdaud, Madani Moussai, Continuity of composition operators in Sobolev spaces. Ann. Inst. H. Poincaré Anal. Non Linéaire 36 (2019), no. 7, pp. 2053–2063

DOI 10.1016/J.ANIHPC.2019.07.002