Applied Mathematics and Mechanics (English Edition) ›› 2013, Vol. 34 ›› Issue (10): 1291-1296.doi: https://doi.org/10.1007/s10483-013-1745-8

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Weak KKM theorems in generalized finitely continuous space with applications

方敏 王磊   

  1. Department of Economic Mathematics, South Western University of Finance and Economics, Chengdu 610074, P. R. China
  • 收稿日期:2012-08-28 修回日期:2013-03-13 出版日期:2013-09-29 发布日期:2013-09-29

Weak KKM theorems in generalized finitely continuous space with applications

 FANG Min, WANG Lei   

  1. Department of Economic Mathematics, South Western University of Finance and Economics, Chengdu 610074, P. R. China
  • Received:2012-08-28 Revised:2013-03-13 Online:2013-09-29 Published:2013-09-29

摘要: Some new weak Knaster-Kuratouski-Mazurkiewicz (KKM) theorems are proved under the noncompact situation in the generalized finitely continuous space (GFCspace) without any convexity. As applications, the minimax inequalities of the Ky Fan type are also given under some suitable conditions. The results unify and generalize some known results in recent literatures.

关键词: weak Knaster-Kuratouski-Mazurkiewicz (KKM) mapping, generalized finitely continuous space (GFC-space), minimax inequality, GFC-quasicovex

Abstract: Some new weak Knaster-Kuratouski-Mazurkiewicz (KKM) theorems are proved under the noncompact situation in the generalized finitely continuous space (GFCspace) without any convexity. As applications, the minimax inequalities of the Ky Fan type are also given under some suitable conditions. The results unify and generalize some known results in recent literatures.

Key words: non-linear, stochastic, recursive, wavelet transform, weak Knaster-Kuratouski-Mazurkiewicz (KKM) mapping, generalized finitely continuous space (GFC-space), minimax inequality, GFC-quasicovex

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