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2-度量空间上具有相同拟收缩型条件的映射族的唯一公共不动点 被引量:6

UNIQUE COMMON FIXED POINT FOR A FAMILY OF SELF-MAPS WITH SAME QUASI-CONTRACTIVE TYPE CONDITION IN 2-METRIC SPACE
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摘要 在2-度量空间(X,d)上引进了具有相同条件的逆收缩型自映射族{T_(i,j)}_(i∈NU{0},j∈N),并证明了当X是完备且满足条件T_(α,μ)·T_(β,v)=T_(β,v)·T_(α,μ),(?)α,β∈N U{0},μ,v∈N且μ≠v时该映射族具有唯一的公共不动点.我们的定理推广和改进了很多2-度量空间上的唯一公共不动点定理. We introduce the concept of self-maps with same quasi-contractive type condition in 2-matric space X and prove that the maps have a unique common fixed point when X is complete andsatisfies the following condition T_(α,μ)·T_(β,ν)=T_(β,ν)·T_(α,μ) for allα,β∈N∪{0},μ,ν∈N,μ≠ν.Our maintheorem improves and generalizes many known unique common fixed point theorems in 2-metric spaces.
作者 朴勇杰
出处 《南京大学学报(数学半年刊)》 CAS 2010年第1期82-87,共6页 Journal of Nanjing University(Mathematical Biquarterly)
基金 国家自然科学基金项目(10361005) 延边大学科研项目(2008-6).
关键词 2-度量空间 柯西序列 拟收缩条件 公共不动点 2-metric spaces Cauchy sequence quasi contractive condition common fixed point
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  • 1朴勇杰,金元峰.2-度量空间上一族收缩型非交换自映射族的唯一公共不动点定理[J].延边大学学报(自然科学版),2006,32(1):1-3. 被引量:5
  • 2[1]PIAO Yong-jie,ZHANG Jun.Unique common fixed point of another contractive type commuting selfmaps in 2-metric spaces[J].Yanbian Univ(Natural Sci),2002,28(2):79-85. 被引量:1
  • 3[2]YANG Han-sheng,XIONG Da-sheng.A common fixed point theorem on p-metric spaces[J].Yunnan Normal Univ(Natural Sci),2001,21(1):9-12. 被引量:1
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  • 6PIAO Yong-jie,ZHANG Jun.Unique common fixed point of another contractive type commuting selfmaps in 2-metre spaces[J].Yanbian Univ (Natural Sci),2002,28 (2):79-85. 被引量:1
  • 7SINGH S L.Contractive type principles on 2-metric spaces and applications[J].Math Sem Notes,1979,7:1-11. 被引量:1
  • 8KIM IN SU.Common fixed point theorems in 2 -metric spaces[D].Korea Soongsil University. 被引量:1
  • 9YANG Han-sheng,XIONG Da-sheng.A common fixed point theorem on p-metric spaces[J].Yunnan Normal Univ(Natural Sci),2001,21(1):9-12. 被引量:1
  • 10Piao, Y. J.,Jin, G. Z.,Zhang, B. J.A Family of Selfmaps Having an Unique Common Fixed Pont in metric Spaces[].Journal of Yanbian University Natural Science.2002 被引量:1

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