Proceedings of the Fifth International Colloquium on Differential Equations

Frontmatter -- CONTENTS -- Preface -- INVERSE SCATTERING PROBLEM FOR THE WAVE EQUATION WITH DISCONTINUOUS WAVESPEED -- Difference methods for impulsive partial differential equations -- On Radially Symmetric Solutions of Semilinear Elliptic Equations -- Some Weighted Poincaré-type Inequalities in One and Higher Dimensions -- Matrix Nonstationary Semigroups: Semigroup Property and Relativity -- Critical Points Theory and its Application to a Nonlinear Wave Equation -- Existence of decreasing positive solutions of a system of linear differential equations with delay -- Equations of Nonlinear Membrane Theory -- Analysis of Dynamics of Clustering Neural Networks -- Elliptic equations with measure data -- A new b-spline finite element method for the advection-diffusion equation -- Existence of a solution to a coupled elliptic system arising in the mathematical modelling of fuel cells -- Comparing the Deficiency Indices of Powers Of r+r And rr+, Where r Is A Linear Ordinary Differential Expression -- Reproducing Kernels for infinite dimensional domains -- Inverse Formula for Laplace Transform -- Hankel Transform to the Diffusion of Dust Problem -- Asymptotic Volume Nullification of Singular Diffusions -- Conditions for the Absence of Positive Solutions of a First Order Differential Inequality with Distributed Delay -- Stability of Large Scale Impulsive Systems -- The Heat Conduction in a Medium Enclosed by a Thin Shell of Higher Diffusivity -- Exact radial asymptotics of solutions to singular elliptic differential equations -- Boundary value problems for nonlinear non variational elliptic and parabolic systems: solvability and regularity results -- On a Perturbation of the Schrodinger Equation - Exact Controllability -- Modern Wiener-Hopf methods in diffraction theory -- Wavelet transforms in Rn - wave front sets and Besov, Triebel-Lizorkin spaces - -- A decomposition of the solutions of the differential equations of the form ?+?(t) //x// 2k-2 x = F(t)x -- Dirichlet