Calculus of Variations and Geometric Measure Theory
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I. Lucardesi - D. Zucco

On Blaschke-Santaló diagrams for the torsional rigidity and the first Dirichlet eigenvalue

created by lucardesi on 10 Oct 2019
modified on 11 May 2021


Published Paper

Inserted: 10 oct 2019
Last Updated: 11 may 2021

Journal: Annali di Matematica Pura ed Applicata (1923 -)
Year: 2021
Doi: 10.1007/s10231-021-01113-6


We study Blaschke-Santaló diagrams associated to the torsional rigidity and the first eigenvalue of the Laplacian with Dirichlet boundary conditions. We work under convexity and volume constraints, in both strong (volume exactly one) and weak (volume at most one) form. We discuss some topological (closedness, simply connectedness) and geometric (shape of the boundaries, slopes near the point corresponding to the ball) properties of these diagrams, also providing a list of conjectures.

Keywords: shape optimization, Torsional rigidity, first Dirichlet eigenvalue, Blaschke-Santaló diagram


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