• Artículo
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      A lower bound for the equilateral number of normed spaces 

      Swanepoel, Konrad J.; Villa Caro, Rafael (American Mathematical Society, 2008)
      We show that if the Banach-Mazur distance between an n-dimensional normed space X and ℓ n∞ is at most 3/2, then there exist ...
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      Maximal equilateral sets 

      Swanepoel, Konrad J.; Villa Caro, Rafael (Springer, 2013-09)
      A subset of a normed space X is called equilateral if the distance between any two points is the same. Let m(X) be the ...