On the Geometry of Optimal Windows, with Special Focus on the Square

For the Laplace operator with mixed (Dirichlet and Neumann) boundary conditions, the dependence of the principal eigenvalue on the placement of the Dirichlet part is investigated. An optimal window is a Dirichlet part of the boundary that minimizes the principal eigenvalue among all competitors of t...

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Veröffentlicht in:	SIAM journal on mathematical analysis Jg. 37; H. 6; S. 1800 - 1827
Hauptverfasser:	Burchard, Almut, Denzler, Jochen
Format:	Journal Article
Sprache:	Englisch
Veröffentlicht:	Philadelphia, PA Society for Industrial and Applied Mathematics 01.01.2006
Schlagworte:	Applied mathematics Boundary conditions Calculus of variations and optimal control Eigenvalues Exact sciences and technology Geometry Heat Mathematical analysis Mathematics Partial differential equations Potential theory Sciences and techniques of general use Laplace operator Discontinuity Neumann problem Singularity Variational methods 31C40 shape optimization Eigenfunction Optimization method Optimal eigenvalue 35J05 Boundary condition mixed boundary conditions singular coefficient Capacity rearrangement; 49R50 Dirichlet problem 35R05
ISSN:	0036-1410, 1095-7154
Online-Zugang:	Volltext
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