Abstract :
We establish the existence of positive solutions to twin time-scale problems given by the dynamicequation
−uΔ∇(t)=ηa(t)f(u(t)),t∈(t1,tn)⊂T,−uΔ∇(t)=ηa(t)f(u(t)),t∈(t1,tn)⊂T,
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, with boundary conditions
View the MathML sourceu(t1)=∑i=2n−1αiu(ti),uΔ(tn)=0,oruΔ(t1)=0,u(tn)=∑i=2n-1αiu(ti),
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using a functional-type cone expansion-compression fixed-point theorem.
Keywords :
time scales , Dynamic equations , Boundary value problem , Delta-nabla equations