Karaca, IlKay Yaslan2019-10-272019-10-2720080893-96590893-9659https://doi.org/10.1016/j.aml.2008.01.001https://hdl.handle.net/11454/42020In this work, we consider a fourth-order four-point boundary value problem for dynamic equations on time scales. We establish criteria for the existence of a solution and a positive solution by using the Leray-Schauder fixed point theorem. We also give an example to illustrate our results. (C) 2008 Elsevier Ltd. All rights reserved.en10.1016/j.aml.2008.01.001info:eu-repo/semantics/openAccesspositive solutionsfixed point theoremstime scales dynamic equationsconeArticle211010571063WOS:000259277000013N/AQ2