We prove in this paper that for a Hausdorff group topology on an Abelian group with sufficiently many continuous characters, there is an associated locally quasi-convex topology which is the strongest among all the locally quasi-convex group topologies weaker than the given one. We also give a result on local quasi-convexity on the line of three-space properties. (C) 1997 Elsevier Science B.V.
机构:
Univ Udine, Dipartimento Matemat & Informat, I-33100 Udine, ItalyEhime Univ, Div Math Phys & Earth Sci, Grad Sch Sci & Engn, Matsuyama, Ehime 7908577, Japan
Dikranjan, Dikran
Shakhmatov, Dmitri
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机构:
Ehime Univ, Div Math Phys & Earth Sci, Grad Sch Sci & Engn, Matsuyama, Ehime 7908577, JapanEhime Univ, Div Math Phys & Earth Sci, Grad Sch Sci & Engn, Matsuyama, Ehime 7908577, Japan
机构:
Univ Victoria, Dept Math & Stat, Victoria, BC V8W 3R4, Canada
China Med Univ, Dept Med Res, China Med Univ Hosp, Taichung 40402, TaiwanSarhad Univ Sci & IT, Dept Mech Engn, Peshawar 25000, Pakistan