Listar por tema "Pcf theory"

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    • openAccess   The character of topological groups, via Pontryagin-van Kampen duality 

      Chis, Cristina; Ferrer González, María Vicenta; Hernández, Salvador; Tsaban, Boaz (2011-06)
      The Birkhoff-Kakutani Theorem asserts that a topological group is metrizable if and only if it has countable character. We develop and apply tools for the estimation of the character for a wide class of nonmetrizable ...