The κ-Fréchet--Urysohn property for locally convex spaces

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A topological space X is κ-Fréchet--Urysohn if for every open subset U of X and every x∈U there exists a sequence in U converging to x. We prove that every κ-Fréchet--Urysohn Tychonoff space X is Ascoli. We apply this statement and some of known results to characterize the κ-Fréchet--Urysohn property in various important classes of locally convex spaces. In particular, answering a question posed in [7] we obtain that Cp(X) is Ascoli iff X has the property (κ).
Original languageEnglish
StatePublished - 2018


  • math.GN
  • math.FA
  • 46A03, 46A08, 54C35


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