Mathematical Inequalities & Applications · Volume 9, Issue 1 On the behavior of the first eigenvalue of the spherical Laplacian operator on a spherical annulus 09-15 Pages 147-151 DOI 10.7153/mia-09-15 Downloads Short PDF Full PDF PNG Authors Chung-Tsun Shieh Keywords Laplacian operator Dirichlet eigenvalues eigenfunctions Subject classes 34L15