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On Solvability of the Neumann Problem in an Energy Space for a Domain with Peak

  • Vladimir G. Maz'ya and Sergei V. Poborchi
Published/Copyright: March 10, 2010
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Georgian Mathematical Journal
From the journal Volume 14 Issue 3

Abstract

We describe the dual space of the boundary trace space for functions with a finite Dirichlet integral for a domain with a vertex of an isolated cusp at the boundary. This leads to conditions of solvability of the Neumann problem for elliptic equations of second order. In particular, we give an explicit necessary and sufficient condition for 𝑞 such that the Neumann problem is solvable if the boundary function is in 𝐿𝑞 over the boundary of a domain with an outer peak.

Received: 2006-11-17
Published Online: 2010-03-10
Published in Print: 2007-September

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