Differential Equations: Proceedings of the 1st Latin American School of Differential Equations, Held at São Paulo, Brazil, June 29–July 17, 1981

Description

Reduction methods via minimax....Pages 1-20 On multiple solutions of nonlinear elliptic equations with odd nonlinearities....Pages 21-33 Positive solutions of semilinear elliptic problems....Pages 34-87 A regularity theorem for inverse bounded and accretive operators in abstract Hilbert space....Pages 88-96 How to remember the Sobolev inequalities....Pages 97-109 The adjoint equation of a linear Volterra Stieltjes-integral equation with a linear constraint....Pages 110-125 On a fixed point index method for the analysis of the asymptotic behavior and boundary value problems of process and semidynamical systems....Pages 126-144 Introduction to bifurcation theory....Pages 145-202 Sobre estabilidad topologica....Pages 203-211 Solvability of operator equations involving nonlinear perturbations of Fredholm mappings of nonnegative index and applications....Pages 212-228 Some remarks on a wave equation with a nonlocal interaction....Pages 229-236 The mountain pass theorem: Theme and variations....Pages 237-271 Optimal spline solutions of systems of ordinary differential equations....Pages 272-283 Structurally stable second order differential equations....Pages 284-301