1
Department of Mathematical Sciences,Sharif University of Technology
2
Department of Mathematics,Sharif University of Technology
Abstract
In this paper, the existence of periodic solutions of autonomous ordinary di erential equations of
a 4th and 5th order is investigated. The method used is based on the Brower's degree theorem
using the homotopy invariant a property of a topological degree.
Shadman, D., & Mehri, B. (2008). On the Existence of Periodic Solutions for Nonlinear Ordinary Di erential Equations. (e2968). Scientia Iranica, 15(2), e2968
MLA
Shadman, D., & Mehri, B. "On the Existence of Periodic Solutions for Nonlinear Ordinary Di erential Equations" .e2968 , Scientia Iranica, 15, 2, 2008, e2968.
HARVARD
Shadman D., Mehri B. (2008). 'On the Existence of Periodic Solutions for Nonlinear Ordinary Di erential Equations', Scientia Iranica, 15(2), e2968.
CHICAGO
D. Shadman & B. Mehri, "On the Existence of Periodic Solutions for Nonlinear Ordinary Di erential Equations," Scientia Iranica, 15 2 (2008): e2968,
VANCOUVER
Shadman D., Mehri B. On the Existence of Periodic Solutions for Nonlinear Ordinary Di erential Equations. Scientia Iranica. 2008;15(2):e2968.
