Positive solutions for a nonlinear differential equation on a measure chain
Mathematical and Computer Modelling: An International Journal
Journal of Computational and Applied Mathematics
Triple positive solutions for some second-order boundary value problem on a measure chain
Computers & Mathematics with Applications
Constant-sign solutions for a system of integral equations on time scales
Computers & Mathematics with Applications
Existence of positive solutions to second-order time scale systems
Computers & Mathematics with Applications
Triple solutions of focal boundary value problems on time scale
Computers & Mathematics with Applications
Journal of Computational and Applied Mathematics
Multiple fixed-sign solutions for a system of difference equations with Sturm-Liouville conditions
Journal of Computational and Applied Mathematics
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A new twin fixed point theorem is applied to obtain the existence of at least two positive solutions for the right focal boundary value problem on a measure chain T, yΔΔ(t) + f(y(σ(t))) = 0, t ∈ [0, 1] ∩ T, y(0) = yΔ(σ(1)) = 0.