This Paper Introduces a New Generalized ContractiveMapping in 2-distance Spaces and Discusses the Existance and Uniqueness of Its Fixed Piont.
本文在2 -距离空间中引进了一类新的广义压缩映射，研究了这类映射的不动点的存在性和唯一性问题。
2
According to the extensive theory of topological degree for set-valued mapping, the authors derive the topological degree for upper semicontinuous set-valued 1-set-contractivemapping.