|
|
On the Existence of Periodic Solutions for Nonlinear Ordinary Differential Equations
|
|
|
|
|
نویسنده
|
Mehri B ,Shadman D
|
منبع
|
scientia iranica - 2008 - دوره : 15 - شماره : 2 - صفحه:182 -185
|
چکیده
|
In this paper, the existence of periodic solutions of autonomous ordinary differential 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.
|
|
|
آدرس
|
sharif university of technology, ایران, sharif university of technology, ایران
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Authors
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|