Existence of three positive solutions to a second-order boundary value problem on a measure chain. (English) Zbl 1032.39009

The authors use the so called “five functionals fixed point theorem”, a generalization of the Leggett-Williams fixed point theorem, in order to prove the existence of at least three positive solutions of a boundary value problem. This boundary value problem consists of a second order dynamic equation on a measure chain/time scale and a Sturm-Liouville type boundary condition.


39A12 Discrete version of topics in analysis
93C70 Time-scale analysis and singular perturbations in control/observation systems
34B24 Sturm-Liouville theory
39A11 Stability of difference equations (MSC2000)
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