アフィンワイル群の一般化について

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タイトル別名
  • A generalization of affine Weyl groups

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Affine reflection groups were studied in euclidean geometry. A subclass of affine reflection groups consisting of the Weyl groups of affine Kac-Moody Lie algebras is known to be affine Weyl groups. We review these groups and introduce a natural generalization of affine Weyl groups extended by an abelian group. We also discuss the relation between the generalized affine Weyl groups and Rubik’ cube groups or complex reflection groups.

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