The eigenvalues of the Laplacian with Dirichlet boundary condition in $$\mathbb {R}^2$$ R 2 are almost never minimized by disks
Crossref DOI link: https://doi.org/10.1007/s10455-014-9446-9
Published Online: 2014-11-25
Published Print: 2015-03
Update policy: https://doi.org/10.1007/springer_crossmark_policy
Berger, Amandine
Text and Data Mining valid from 2014-11-25