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检索条件"主题词=invariant approximation"
共 5 条 记 录，以下是1-10 订阅
GENERALIZED I-NONEXPANSIVE MAPS AND invariant approximation RESULTS IN p-NORMED SPACES
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Analysis in Theory and Applications 2006年 第1期22卷 72-80页
作者： N.Hussain Science King Abdul Aziz University Arabia
Abstract We extend the concept of R-subeommuting maps due to Shahzad to the case of non-starshaped domain and obtain a common fixed point result for this class of maps on non-starshaped domain in the setup of p-norra... 详细信息
来源： 维普期刊数据库 维普期刊数据库 同方期刊数据库 同方期刊数据库 评论
APPLICATIONS OF FIXED POINT THEOREMS TO invariant approximation
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Analysis in Theory and Applications 2000年 第3期16卷 48-55页
作者： A.R.Khan N.Hussain A.B.Thaheem Centre for Advanced Studies in Pure and Applied Mathematics Bahauddin Zakariya UniversityMultan 60800Pakistan Department of Mathematical Science King Fahd University of Petroleum and MineralsDhahran 31261Saudi Arabia
We prove some fixed point theorems. As applications we obtain Brosowski-Meinardus type theorems on invariant approximations on a class of nonconvex sets in locally bounded topological vector spaces.
来源： 维普期刊数据库 维普期刊数据库 同方期刊数据库 同方期刊数据库 评论
Generalized Ⅰ-Nonexpansive Selfmaps and invariant approximations
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Acta Mathematica Sinica,English Series 2008年 第5期24卷 867-876页
作者： M.A.AL-THAGAFI Naseer SHAHZAD Department of Mathematics King AbduIAziz UniversityP.O.Box 80203Jeddah 21589Saudi Arabia
Common fixed point results for new classes of noncommuting selfmaps satisfying generalized I-contraction or I-nonexpansive type conditions are established. We apply them to obtain several invariant approximation resul... 详细信息
来源： 维普期刊数据库 维普期刊数据库 同方期刊数据库 同方期刊数据库 评论
Generalized I-Contractions and Pointwise R-Subweakly Commuting Maps
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Acta Mathematica Sinica,English Series 2007年 第8期23卷 1505-1508页
作者： D.O'REGAN N.HUSSAIN Department of Mathematics National University of IrelandGalwayIreland Department of Mathematics King Abdul Aziz UniversityP.O.Box 80203Jeddah 21589Saudi Arabia
The existence of common fixed points and invariant approximations for pointwise R- subweakly commuting and compatible maps is established. Our results unify and generalize various known results to a more general class... 详细信息
来源： 维普期刊数据库 维普期刊数据库 同方期刊数据库 同方期刊数据库 评论
ON POINTWISE R-SUBWEAKLY COMMUTING MAPS AND BEST approximationS
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Analysis in Theory and Applications 2008年 第1期24卷 40-49页
作者： F. Akbar N. Sultana University of Sargodha Pakistan
The main purpose of this paper is to prove some common fixed point theorems for pointwise R-subweakly commuting maps on non-starshaped domains in p-normed spaces and locally convex topological vector spaces. As applic... 详细信息
来源： 维普期刊数据库 维普期刊数据库 同方期刊数据库 同方期刊数据库 评论
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