Displaying similar documents to “Example of a convergence commutative group which is not separated”

L -groups versus k -groups

Roman Frič (1993)

Mathematica Bohemica

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We investigate free groups over sequential spaces. In particular, we show that the free k -group and the free sequential group over a sequential space with unique limits coincide and, barred the trivial case, their sequential order is ω 1 .