In this paper we study the existence of periodic solutions of the fourth-order equations u iv -pu -a x u + b x u 3 = 0 and u iv -pu + a x u -b x u 3 = 0, where p is a positive constant, and a x and b x are continuous positive 2Lperiodic functions. The boundary value problems P 1 and P 2 for these eq
β¦ LIBER β¦
Convergence in almost periodic Fisher and Kolmogorov models
β Scribed by Wenxian Shen; Yingfei Yi
- Book ID
- 105998973
- Publisher
- Springer
- Year
- 1998
- Tongue
- English
- Weight
- 259 KB
- Volume
- 37
- Category
- Article
- ISSN
- 0303-6812
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