A Sharp Bound for the Ratio of the First Two Eigenvalues of Dirichlet Laplacians and Extensions
Authors:
- Mark S. AshbaughMAMark S. Ashbaugh
- Rafael D. BenguriaRBRafael D. Benguria
- 1 May 1992
- journal article
- Published by JSTOR in Annals of Mathematics
- Vol. 135 (3) , 601