A Class of periodic solutions to the two-dimensional cubic differential equation
β Scribed by P.A. Silberg
- Publisher
- Elsevier Science
- Year
- 1969
- Tongue
- English
- Weight
- 813 KB
- Volume
- 288
- Category
- Article
- ISSN
- 0016-0032
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π SIMILAR VOLUMES
By means of a new geometrical index with Z p group actions, multiplicity results for a certain class of nonautonomous time periodic functional differential systems are obtained.
We introduce a method to obtain explicitly periodic solutions of some types of functional differential equations whose periods depend rationally on integral delays. Several applications of this method are given.
## Abstract In this paper, a unified approach for analysing finite dimensional approximations to a class of partial differential equations boundary value problems (secondβkind Fredholm differential equations) is introduced. The approach is shown to be general despite of its extremely simple form. I