Hostname: page-component-76fb5796d-skm99 Total loading time: 0 Render date: 2024-04-27T10:51:03.547Z Has data issue: false hasContentIssue false

On solutions of parabolic equations in regions with edges

Published online by Cambridge University Press:  17 April 2009

A. Azzam
Affiliation:
Department of Mathematics, University of Windsor, Windsor, Ontario N9B3P4, Canada.
E. Kreyszig
Affiliation:
Department of Mathematics, University of Windsor, Windsor, Ontario N9B3P4, Canada.
Rights & Permissions [Opens in a new window]

Abstract

Core share and HTML view are not available for this content. However, as you have access to this content, a full PDF is available via the ‘Save PDF’ action button.

In this paper, smoothness properties of solutions of the initial-Dirichlet problem for parabolic equations in regions with edges are considered. We obtain bounds for solutions and derivatives, and prove the Hölder continuity of the first derivatives and of the second derivatives multiplied by a suitable power of the distance from the edges.

Type
Research Article
Copyright
Copyright © Australian Mathematical Society 1980

References

[1]Dziuk, Gerhard, “Das Verhalten von Lösungen semilinearer elliptischer Systeme an Ecken eines Gebietes”, Math. Z. 159 (1978), 89100.CrossRefGoogle Scholar
[2]Friedman, Avner, Partial differential equations of parabolic type (Prentice-Hall, Englewood Cliffs, New Jersey, 1964).Google Scholar
[3]Grisvard, Pierre, “Behavior of the solutions of an elliptic boundary value problem in a polygonal or polyhedral domain”, Numerical solutions of partial differential equations - III – (Synspade 1975. Academic Press, New York, San Francisco, London, 1976).Google Scholar
[4]кондратьев, в.А. [Kondrat'ev, V.A.], “Особенности решения эадачи дирихле для эллиптичесного уравнения второго порядна в онрестности ребра” [Singularities of a solution of Dirichlet's problem for a second order elliptic equation in the neighborhood of an edge], Differencial'nye Uravnenija 13 (1977), 20262032.Google ScholarPubMed
[5]Laasonen, Pentti, “On the degree of convergence of discrete approximations for the solutions of the Dirichlet problem”, Ann. Acad. Sci. Fenn. Ser. A I 246 (1957), 119.Google Scholar
[6]Protter, Murray H., Weinberger, Hans F., Maximum principles in differential equations (Prentice-Hall, Englewood Cliffs, New Jersey, 1967).Google Scholar
[7]Simon, Leon, “Boundary regularity for solutions of the non-parametric least area problem”, Ann. of Math. (2) 103 (1976), 429455.CrossRefGoogle Scholar
[8]Simon, Leon, Regularity of capillary surfaces over domains with corners (Research Report 10. University of Melbourne, Parkville, 1979).Google Scholar
[9]Warschawski, S.E., “On a theorem of L. Lichtenstein”, Pacific J. Math. 5 (1955), 835839.CrossRefGoogle Scholar
[10]Wigley, Neil M., “Mixed boundary value problems in plane domains with corners”, Math. Z. 115 (1970), 3352.CrossRefGoogle Scholar