Sturm-Liouville theory : past and present

Sturm's 1836 Oscillation Results Evolution of the Theory.- Sturm Oscillation and Comparison Theorems.- Charles Sturm and the Development of Sturm-Liouville Theory in the Years 1900 to 1950.- Spectral Theory of Sturm-Liouville Operators Approximation by Regular Problems.- Spectral Theory of Sturm-Liouville Operators on Infinite Intervals: A Review of Recent Developments.- Asymptotic Methods in the Spectral Analysis of Sturm-Liouville Operators.- The Titchmarsh-Weyl Eigenfunction Expansion Theorem for Sturm-Liouville Differential Equations.- Sturm's Theorems on Zero Sets in Nonlinear Parabolic Equations.- A Survey of Nonlinear Sturm-Liouville Equations.- Boundary Conditions and Spectra of Sturm-Liouville Operators.- Uniqueness of the Matrix Sturm-Liouville Equation given a Part of the Monodromy Matrix, and Borg Type Results.- A Catalogue of Sturm-Liouville Differential Equations.