Karapınar, ErdalAgarwal, Ravi P.Karapinar, ErdalRoldan-Lopez-de-Hierro, Antonio-FranciscoMathematics2024-07-052024-07-05201511687-181210.1186/s13663-015-0354-x2-s2.0-84983313658https://doi.org/10.1186/s13663-015-0354-xhttps://hdl.handle.net/20.500.14411/828Roldán López de Hierro, Antonio Francisco/0000-0002-6956-4328; KARAPINAR, ERDAL/0000-0002-6798-3254In this manuscript, we study sufficient conditions on the functions that appears in very complex contractivity conditions introduced in a recent manuscript by Liu et al. in order to guarantee the existence and uniqueness of common fixed points of four self-mappings.eninfo:eu-repo/semantics/openAccessfixed point theoremfixed pointcommon fixed pointcontractivity conditionArticleWOS:000358284700003