... development of this calculus. Since then, efforts have been made in the context of time scales, in estab-lishing that some results for boundary value problems for ordinary differential equations and their ... solving the followingintegral equation in ᏼ:x(t)= λtnt1Gn(t,s)r(s) fs,xσ(s)Δs, t ∈t1,σn−1tn, (2.19) and consequently, it is equivalent to finding fixed points of ... x1 and x2, if (H1) and (H2) are satisfied and, in addition, both of the following hold.Ilkay Yaslan Karaca 13[9] , Positive solutions for a nonlinear differential equation on a measure chain,...