existence of coupled best approximation point for almost cyclic contractive mappings

This paper focuses on exploring and establishing conditions for the existence and uniqueness of coupled best approximation point but not coupled best proximity point using a specific type of mapping called almost cyclic contraction ordered pair mappings. also it is to be noted we use generalized form of cyclic contraction ordered pair defined by zlatanov and connect to almost cyclic contraction. indeed, it is interesting that, the class of almost cyclic contractions includes cyclic contractions.