Periodic solutions to nonlinear integral equations on the infinite interval modelling infectious disease
β Scribed by Ravi P. Agarwal; Donal O'Regan
- Publisher
- Elsevier Science
- Year
- 2000
- Tongue
- English
- Weight
- 629 KB
- Volume
- 40
- Category
- Article
- ISSN
- 0362-546X
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π SIMILAR VOLUMES
In this paper, we consider the existence of countably many positive solutions to a boundary value problem of a nonlinear delay differential equation with countably many singularities on infinite interval where Ο : R β R is an increasing homeomorphism and a positive homomorphism with Ο(0) = 0, x t i
consider the existence of positive solutions to the nonlinear integral equation / 5 U(Z) = Jl: -sY'&(s)) ds, (x E R, a 2 1)s where g is a continuous, nondecreasing function such that g(0) = 0. We show that the equation always has nontrivial solutions and we give a necessary and sufficient condition