摘要
在交换拓扑群上引入了(α,β)型几乎凸半群的概念,并由此可以给出渐近非扩张半群及渐近非扩张型半群的不动点定理.
This paper has introduced the concept of (α,β)type almost convex semigroup, and obtain the fixed point theorem for asymptotically nonexpansive semigroups and asymptotically nonexpansive type semigroups.
出处
《淮阴师范学院学报(自然科学版)》
CAS
2005年第3期176-179,187,共5页
Journal of Huaiyin Teachers College;Natural Science Edition
关键词
(α
β)型几乎凸半群
非扩张映照
不动点
(α,β)type almost conves semigroup
nonexpansive mappings
fixed point