Trends in Theory and Practice of Nonlinear Differential Equations

CONTENTS -- Honoring Professor E. A. Coddington -- Preface -- Contributors -- Unbounded Perturbations and the Existence of Differentiable Solutions of the Cauchy Problem in Banach Space /Nazar Hussein Abdelaziz -- Escape Time by Fixed Point Theorem /A. R. Aftabizadeh -- Asymptotic Behaviour of Solutions of Nth Order Differential Equations with or without Delay /Olusola Akinyele and R. S. Dahiya -- Nonconstant Periodic Solutions of Nonlinear Differential Equations /Shair Ahmad and Francisco Montes de Oca -- Evolution Water Coning Problem /Y. Amirat, A. El Kolli and A. Ziani -- Conditions for Periodic Solutions to Hill?s Equation with an even Periodic Coefficient /Bernard A. Asner, Jr. -- Metrics and Tolerances /Prem N. Bajaj -- Global Existence for Nonlinear Second Order Differential Equations /John V. Baxley -- Asymptotically Nonresonant Nonlinear Equations /Ronald I. Becker -- Boundedness of Oscillatory Solutions of Fourth Order Linear Ordinary Homogeneous Differential Equations /Abdelali Benharbit -- A Neighborhood of the Hopf Singularity /S. R. Bernfeld -- Second Order Differential Systems with Generalized Nonlinear Boundary Conditions /S. R. Bernfeld -- Dynamics and Bifurcation in one Dimension /Louis Block and David Hart -- The Effect of Harvesting on Population Systems /Fred Brauer -- Invariants of Vortex Motions in the Plane /Jacob Burbea -- Instability and Stability in Volterra Equations /T. A. Burton and W. E. Mahfoud -- Alternating Bounds Converging to the Solution of a Semi-linear Euler-Poisson-Darboux Equation /C. Y. Chan -- Comparison Theorems and Stochastic Boundary Value Problems /Jagdish Chandra and G. S. Ladde -- Constrained Global Null Controllability of Nonlinear Delay Systems /Ethelbert N. Chukwu -- Spectral Theory for Symmetric Pairs of Ordinary Differential Operators /Earl A. Coddington -- Almost Periodic Solutions to Some Nonlinear Parabolic Equations /C. Corduneanu -- Conjugate Points and Disconjugacy of Second Order Systems /Fozi M. Dannan -