World Congress of Nonlinear Analysts '92 Munzinger Str. 9 Explorations in Evolutionary FACG Explorations in Evolutionary substructures and interconnections of these geometries Proceedings of the First World Congress of Nonlinear Analysts I IV Preface Table of Contents List of Participants Investigation of Oldrojt's viscoelastic model when viscous coefficient tends to zero Nonlinear PDE problems in electrophotography A special class of maximum principles with applications to nonlinear boundary value problems Nonlinear mathematics in nonacademic settings Motion of a graph by nonsmooth weighted curvature Some results on heat flow in electric conductors Global classical solutions to fully nonlinear wave equations Solitons and domains in dipole chains Nonlinear instabilities of steady and oscillatory wave convection in a rotating system Bifurcations and chaos in predator prey models with delay On a new variant degree theory of mapping and its application Solvability of semilinear operator equations and periodic solutions of differential equations Solutions of semilinear equations in cones and wedges On a nonlinear elliptic problem with subcritical and critical Sobolev exponent Existence and bifurcation results for some semilinear elliptic equations on