This is a preview. Log in through your library . Abstract In recent papers, the Prüfer transformation has been used to calculate the eigenvalues of second order Sturm-Liouville boundary value problems ...

Let λ(n, r) and μ(n,r) be the first Dirichlet eigenvalue and the lowest nonzero Neumann eigenvalue of a geodesic ball B(r), of radius r, in the unit n-sphere sn or the real projective space pn, ...