... neighborhood of r 0 and lim supr →∞ft, r/r∞ for t ∈ 0, 1, very few existence results are availablein literature 1.In this paper we study positive solutions of the second boundary value ... λ10Gt, sh2s, ωn vds for v ∈ C0, 1,t∈0, 1.2.132 Boundary Value Problems 5Then the eigenvalues areτmmπ2 for m 1, 2, , 2.2 and the corresponding eigenfunctions ... Corporation Boundary Value ProblemsVolume 2009, Article ID 103867, 34 pagesdoi:10.1155/2009/103867Research ArticleAn Approximation Approach to EigenvalueIntervals for Singular Boundary Value Problemswith...