Table of Contents — Volume2.- Uniqueness of Non-negative Solutions of a Class of Semi-linear Elliptic Equations.- Some Qualitative Properties of Nonlinear Partial Differential Equations.- On Existence of Solutions of Non-coercive Problems.- Diffusion-Reaction Systems in Neutron-Fission Reactors and Ecology.- Numerical Searches for Ground State Solutions of a Modified Capillary Equation and for Solutions of the Charge Balance Equation.- On Positive Solutions of Semilinear Elliptic Equations in Unbounded Domains.- The Behavior of Solutions of a Nonlinear Boundary Layer Equation.- Asymptotic Behavior of Solutions of Semilinear Heat Equations on S1.- Some Uniqueness Theorems for Exterior Boundary Value Problems.- Some Aspects of Semi linear Elliptic Equations in ?n.- Global Existence Results for a Strongly Coupled Quasilinear Parabolic System.- A Survey of Some Superlinear Problems.- A Priori Estimates for Reaction-Diffusion Systems.- Qualitative Behavior for a Class of Reaction-Diffusion-Convection Equations.- Resonance and Higher Order Quasilinear Ellipticity.- Bifucation from Symmetry.- Positive Solutions of Semilinear Elliptic Equations on General Domains.- The Mathematics of Porous Medium Combustion.- Connection Problems Arising from Nonlinear Diffusion Equations.- Singularities of some Quasilinear Equations.