A Sobolev inequality with remainder term and critical equations on domains with topology for the polyharmonic operator

Bartsch, Thomas;Weth, T;Willem, Michel
(2003) Calculus of Variations and Partial Differential Equations — Vol. 18, n° 3, p. 253-268 (2003)

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Authors
  • Bartsch, ThomasUCLouvain
    Author
  • Weth, T
    Author
  • Willem, MichelUCLouvain
    Author
Abstract
We prove a Sobolev inequality with remainder term for the imbedding D-m,D-2(R-N) hooked right arrowL(2N/(N-2m))(R-N), m is an element of N arbitrary, generalizing a corresponding result of Bianchi and Egnell for the case m=1. We also show that the manifold of least energy solutions u is an element of D-m,D-2 (R-N) of the equation (-Delta)(m) u=u(4m/(N-2m)) u is a nondegenerate critical manifold for the corresponding variational integral. Finally we generalize the results of J.M. Coron on the existence of solutions of equations with critical exponent on domains with nontrivial topology to the biharmonic operator.
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Bartsch, T., Weth, T., & Willem, M. (2003). A Sobolev inequality with remainder term and critical equations on domains with topology for the polyharmonic operator. Calculus of Variations and Partial Differential Equations, 18(3), 253-268. https://doi.org/10.1007/s00526-003-0198-9 (Original work published 2003)