In this paper we shall study the existence of a periodic solution to the nonlinear Ε½ . Ε½ Ε½ .. differential equation x q Ax y A\*x y A\*Ax q B t x q f t, x t s 0 in some complex Hilbert space, using duality and variational methods.
Existence Theorem for Periodic Solutions of Higher Order Nonlinear Differential Equations
β Scribed by Zhongdong Liu; Yiping Mao
- Publisher
- Elsevier Science
- Year
- 1997
- Tongue
- English
- Weight
- 206 KB
- Volume
- 216
- Category
- Article
- ISSN
- 0022-247X
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