Positivity properties for the clamped plate boundary problem on the ellipse and strip

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Title: Positivity properties for the clamped plate boundary problem on the ellipse and strip
Authors: Render, Hermann
Ghergu, Marius
Permanent link: http://hdl.handle.net/10197/3820
Date: Jun-2012
Abstract: The positivity preserving property for the biharmonic operator with Dirichlet boundary condition is investigated. We discuss here the case where the domain is an ellipse (that may degenerate to a strip) and the data is a polynomial function. We provide various conditions for which the positivity is preserved.
Funding Details: Not applicable
Type of material: Journal Article
Publisher: Wiley
Copyright (published version): 2012 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim
Keywords: Biharmonic operator;Fischer operator;Positive polynomial data;Positive solutions
Subject LCSH: Biharmonic equations
Polynomials
DOI: 10.1002/mana.201100045
Language: en
Status of Item: Peer reviewed
Appears in Collections:Mathematics and Statistics Research Collection

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