Common Fixed Point Theorem in Cone Metric Space Under Contractive Mappings

Abstract

In this paper we prove a common fixed point theorem for two Banach pairs of mappings which satisfy the contraction conditions in cone metric spaces without the assumption of normality condition.

On the Price Vector Fields of a Differentiated Oligopoly

“…e.g., [5] for evolutionary game dynamics). Classic oligopoly equilibria (for the general construct of fixed points, see, e.g., [2], [4]) have been associated with such names as Cournot-Nash (cf. e.g., [1]), Bertrand, Edgeworth, Stackelberg, and Chamberlin.…”