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Periodic Solution for Nonlinear Delay Equation in Higher Order
(University of Texas at Arlington, 1981-05)
**Please note that the full text is embargoed** ABSTRACT: In recent years, the existence and uniqueness of 2n-period solution
for
(1.1) [see pdf for notation]
where x E Rn, and e(t,u,v) is a given function with 2^-period ...
On None Approach to Equilibrium in Compartmental Systems
(University of Texas at Arlington, 1981-04)
**Please note that the full text is embargoed** ABSTRACT: The question of convergence of a solution of a compartmental system
to an equilibrium point, as t -> °°, is of considerable interest [1-6]. Although it was not ...
Existence of Periodic Solutions of Nonlinear Boundary Value Problems and the Method of Upper and Lower Solutions
(University of Texas at Arlington, 1981-11)
**Please note that the full text is embargoed** ABSTRACT: We study the existence of periodic solutions of second order nonlinear differential equations by combining the method of upper and lower solutions and the method ...
Existence and Monotone Method for Periodic Solutions of First Order Differential Equations
(University of Texas at Arlington, 1981-09)
**Please note that the full text is embargoed** ABSTRACT: An attempt was made recently in [3] to combine fruitfully the two basic techniques, namely the method of upper and lower solutions and the Lyapunov-Schmitt
method ...