On the solution of elliptic partial differential equations on regions with corners II: Detailed analysis |
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Authors: | Kirill Serkh |
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Institution: | Courant Institute of Mathematical Sciences, New York University, New York, NY 10012, United States |
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Abstract: | In this paper we investigate the solution of boundary value problems on polygonal domains for elliptic partial differential equations. Previously, we observed that when the boundary value problems are formulated as boundary integral equations of classical potential theory, the solutions are representable by series of elementary functions, to arbitrary order, for all but finitely many values of the angles. Here, we extend this observation to all values of the angles. We show that the solutions near corners are representable, to arbitrary order, by linear combinations of certain non-integer powers and non-integer powers multiplied by logarithms. |
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Keywords: | Boundary value problems Potential theory Corners Singular solutions Integral equations Partial differential equations Elliptic equations |
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