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100%

Słomczyńska K.

Annales Universitatis Paedagogicae Cracoviensis | Studia ad Didacticam Mathematicae Pertinentia

2017

tom 9

99-110

In this paper we survey, also in historical perspective, the results connected with the notion of the commutativity degree of a finite group, i.e., the probability that two randomly selected elements of the group commute.

Neighborhood base at the identity of free paratopological groups

75%

Elfard A. S.

Topological Algebra and its Applications

2013

tom 1

31-36

In 1985, V. G. Pestov described a neighborhood base at the identity of free topological groups on a Tychonoff space in terms of the elements of the fine uniformity on the Tychonoff space. In this paper, we extend Postev’s description to the free paratopological groups where we introduce a neighborhood base at the identity of free paratopological groups on any topological space in terms of the elements of the fine quasiuniformity on the space.

Ograniczanie wyników

1 Annales Universitatis Paedagogicae Cracoviensis | Studia ad Didacticam Mathematicae Pertinentia

1 Topological Algebra and its Applications

1 Elfard A. S.

1 Słomczyńska K.

1 2017

1 2013

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Jak bardzo przemienna może być grupa nieprzemienna?

Neighborhood base at the identity of free paratopological groups