Browsing by Author "Render, Hermann"

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

Render, Hermann ; Ghergu, Marius (Wiley, 2012-06)

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 ...