Karapinar, ErdalKarapınar, ErdalBerinde, VasileMathematics2024-07-052024-07-052012521735-878710.15352/bjma/13370146662-s2.0-84856871519https://doi.org/10.15352/bjma/1337014666https://hdl.handle.net/20.500.14411/1279KARAPINAR, ERDAL/0000-0002-6798-3254; Berinde, Vasile/0000-0002-3677-795XIn this paper we obtain existence and uniqueness results for quadruple fixed points of operators F : X-4 -> X. We also give some examples to support our results.eninfo:eu-repo/semantics/openAccessFixed point theoremsNonlinear contractionPartially orderedQuadruple Fixed Pointmixed g-monotoneArticle617489WOS:000297800200006