Английская Википедия:Bimonster group

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In mathematics, the bimonster is a group that is the wreath product of the monster group M with Z2:

<math>Bi = M \wr \mathbb{Z}_2. \, </math>

The Bimonster is also a quotient of the Coxeter group corresponding to the Dynkin diagram Y555, a Y-shaped graph with 16 nodes:

Шаблон:Dynkin

Файл:BimonsterGroup.svg

John H. Conway conjectured that a presentation of the bimonster could be given by adding a certain extra relation to the presentation defined by the Y555 diagram; this was proved in 1990 by A. A. Ivanov a mathematician not the famous painter and Simon P. Norton.

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Шаблон:Group-theory-stub