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ON THE SOLVABILITY OF THE NEUMANN PROBLEM IN DOMAINS WITH PEAK
Linköping University, Department of Mathematics, Applied Mathematics. Linköping University, The Institute of Technology.
St Petersburg State University.
2009 (English)In: ST PETERSBURG MATHEMATICAL JOURNAL, ISSN 1061-0022, Vol. 20, no 5, 757-790 p.Article in journal (Refereed) Published
Abstract [en]

The Neumann problem is considered for a quasilinear elliptic equation of second order in a multidimensional domain with the vertex of an isolated peak on the boundary. Under certain assumptions, the study of the solvability of this problem is reduced to a description of the dual to the Sobolev space W-p(1)(Omega) or (in the case of a homogeneous equation with nonhomogeneous boundary condition) to the boundary trace space TWp1(Omega). This description involves Sobolev classes with negative smoothness exponent on Lipschitz domains or Lipschitz surfaces, and also some weighted classes of functions on the interval (0,1) of the real line. The main results are proved on the basis of the known explicit description of the spaces TWp1(Omega) on a domain with an outward or inward cusp on the boundary.

Place, publisher, year, edition, pages
2009. Vol. 20, no 5, 757-790 p.
Keyword [en]
Neumann problem, Sobolev spaces, domains with cusps, boundary traces, dual spaces
National Category
Mathematics
Identifiers
URN: urn:nbn:se:liu:diva-51254OAI: oai:DiVA.org:liu-51254DiVA: diva2:273888
Available from: 2009-10-26 Created: 2009-10-26 Last updated: 2009-10-26

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Maz´ya, Vladimir

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