Radhakrishnan, Mohanasundaram; Rajesh, S.; Agrawal, Sushama(Universitat Politècnica de València, 2017-10-02)
[EN] In this paper, we prove that ifKis a nonempty weakly compact setin a Banach spaceX,T:K→Kis a nonexpansive map satisfyingx+Tx2∈Kfor allx∈Kand ifXis3−uniformly convex orXhas theOpial property, thenThas a fixed point in K