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Existence of Periodic Solutions of Semilinear Parabolic Equations and the Method of Upper and Lower Solutions
(University of Texas at Arlington, 1982-04)
**Please note that the full text is embargoed** ABSTRACT: The existence of periodic solutions of semilinear parabolic equations has been investigated by several authors [1-10,15-18] by different methods such as the method ...
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 ...
An Asymptotic Result in Forced Oscillations of Pendulum-Type Equations
(University of Texas at Arlington, 1985-04)
**Please note that the full text is embargoed** ABSTRACT: The forced pendulum-type equation is given by [see pdf for notation] where [see pdf for notation] is continuous and T-periodic and p(t) is[see pdf for notation] ...
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 ...
Remarks on First and Second Order Periodic Boundary Value Problems
(University of Texas at Arlington, 1982-05)
**Please note that the full text is embargoed** ABSTRACT: We consider the first and second order periodic boundary value problems (PBVP for brevity)[see pdf for notation] and [see pdf for notation]and obtain
the existence ...
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 ...