KAWASAKI, HIDEFUMI; KIRA, AKIFUMI; KIRA, SHINPEI - In: Asia-Pacific Journal of Operational Research (APJOR) 30 (2013) 03, pp. 1340013-1
In this paper, we first present a discrete fixed point theorem for contraction mappings from the product set of integer intervals into itself, which is an extension of Robert's discrete fixed point theorem. Next, we derive an existence theorem of a pure-strategy Nash equilibrium for a...