Jump to content

Vertex of a representation

From Wikipedia, the free encyclopedia

This is an old revision of this page, as edited by Citation bot (talk | contribs) at 15:15, 2 February 2021 (Add: s2cid. | You can use this bot yourself. Report bugs here. | Suggested by Abductive | Category:Representation theory | via #UCB_Category 128/165). The present address (URL) is a permanent link to this revision, which may differ significantly from the current revision.

In mathematical finite group theory, the vertex of a representation of a finite group is a subgroup associated to it, that has a special representation called a source. Vertices and sources were introduced by Green (1958–1959)

References

  • Green, J. A. (1958–1959), "On the indecomposable representations of a finite group", Mathematische Zeitschrift, 70: 430–445, doi:10.1007/BF01558601, ISSN 0025-5874, MR 0131454, S2CID 123304240