• Title/Summary/Keyword: topological vector spaces

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On vector variational-type inequalities for fuzzy mappings

  • Lee, Byung-Soo;Jung, Doo-Young
    • Journal of the Korean Institute of Intelligent Systems
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    • v.10 no.2
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    • pp.133-137
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    • 2000
  • In this paper we introduce vector variational-type inequalities for fuzzy mappings on Hausdorff topological vector spaces and obtain an existence theorem of solutions to the inequalities.

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COMMON FIXED POINT AND INVARIANT APPROXIMATION RESULTS

  • Abbas, Mujahid;Kim, Jong-Kyu
    • Bulletin of the Korean Mathematical Society
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    • v.44 no.3
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    • pp.537-545
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    • 2007
  • Necessary conditions for the existence of common fixed points for noncommuting mappings satisfying generalized contractive conditions in the setup of certain metrizable topological vector spaces are obtained. As applications, related results on best approximation are derived. Our results extend, generalize and unify various known results in the literature.