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Basic theory of nonlinear third-order \(q\)-difference equations and inclusions. (English) Zbl 1264.34027

Summary: We investigate the existence of solutions for boundary value problems of the third-order \(q\)-difference equations and inclusions. Our results are based on some standard fixed point theorems. In case of inclusion problem, the existence results are obtained for convex as well as nonconvex multi-valued maps. We also discuss the existence of extremal solutions for the inclusion problem.

MSC:

34A60 Ordinary differential inclusions
39A13 Difference equations, scaling (\(q\)-differences)
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