Tokmak, FatmaKaraca, Ilkay Yaslan2019-10-272019-10-2720131687-27701687-2770https://doi.org/10.1186/1687-2770-2013-52https://hdl.handle.net/11454/48110In this paper, we make use of the four functionals fixed point theorem to verify the existence of at least one symmetric positive solution of a second-order m-point boundary value problem on time scales such that the considered equation admits a nonlinear term f whose sign is allowed to change. The discussed problem involves both an increasing homeomorphism and homomorphism, which generalizes the p-Laplacian operator. An example which supports our theoretical results is also indicated. MSC: 34B10, 39A10.en10.1186/1687-2770-2013-52info:eu-repo/semantics/openAccesssymmetric positive solutionfixed-point theoremtime scalesm-point boundary value problemincreasing homeomorphism and homomorphismArticleWOS:000319474500001N/AQ1