Common fixed point theorem for four mappings satisfying generalized weak contractive conditions, Filomat 24( 2

Contractive conditions introduced in [Q. Zhang and Y. Song, Fixed point theory for generalized ϕ-weak contraction, Appl. Math. Lett. 22(2009), 75-78] and [D.-Dorić, Common fixed point for generalized (ψ,ϕ)-weak contractions, Applied Mathematics Letters, 22(2009), 1896-1900] are employed to obtain a new common fixed point theorem for four maps. Our result substantially generalizes comparable results in the literature. 1 Introduction an