Abstract
The periodic boundary value problem for linear second order functional differential equations is considered. Sharp sufficient conditions for the positiveness of solutions are obtained.
Dedicated to Professor Ivan Kiguradze on the occasion of his 80th birthday
Funding source: Russian Foundation for Basic Research
Award Identifier / Grant number: 14-01-0033814
Funding statement: The work was supported by the Russian Foundation for Basic Research, project no. 14-01-0033814. The work was performed as part of the State Task of the Ministry of Education and Science of the Russian Federation (project 2014/152, research 1890).
Acknowledgements
The author thanks A. Lomtatidze and R. Hakl for some ideas which have been used in this paper.
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© 2017 by De Gruyter
Articles in the same Issue
- Frontmatter
- Strict stability with respect to initial time difference for Caputo fractional differential equations by Lyapunov functions
- Unbounded solutions for differential equations with p-Laplacian and mixed nonlinearities
- On positive periodic solutions of linear second order functional differential equations
- Existence results for nonlinear fractional Dirichlet problems on the right side of the first eigenvalue
- An existence result for multiple solutions to a Dirichlet problem
- Asymptotic analysis of positive solutions of first-order cyclic functional differential systems
- Periodic solutions of Liénard–Mathieu differential equation with a small parameter
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- Morse theory and multiple periodic solutions of some quasilinear difference systems with periodic nonlinearities
- The Dirichlet problem for gradient dependent prescribed mean curvature equations in the Lorentz–Minkowski space
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Articles in the same Issue
- Frontmatter
- Strict stability with respect to initial time difference for Caputo fractional differential equations by Lyapunov functions
- Unbounded solutions for differential equations with p-Laplacian and mixed nonlinearities
- On positive periodic solutions of linear second order functional differential equations
- Existence results for nonlinear fractional Dirichlet problems on the right side of the first eigenvalue
- An existence result for multiple solutions to a Dirichlet problem
- Asymptotic analysis of positive solutions of first-order cyclic functional differential systems
- Periodic solutions of Liénard–Mathieu differential equation with a small parameter
- On a class of variational problems with nonlocal integrant
- Morse theory and multiple periodic solutions of some quasilinear difference systems with periodic nonlinearities
- The Dirichlet problem for gradient dependent prescribed mean curvature equations in the Lorentz–Minkowski space
- Piecewise synergetic systems and applications in biochemical systems theory
- Unique solvability of the Darboux problem for linear hyperbolic functional differential equations