An optimal bound for nonlinear eigenvalues and torsional rigidity on domains with holes
arXiv:2005.13840 · doi:10.1007/s00032-020-00320-9
Abstract
In this paper we prove an optimal upper bound for the first eigenvalue of a Robin-Neumann boundary value problem for the p-Laplacian operator in domains with convex holes. An analogous estimate is obtained for the corresponding torsional rigidity problem.