Groupoids: unifying internal and external symmetry

Alan Weinstein

Groupoids: unifying internal and external symmetry

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arxiv math/9602220 v1 pith:TLY46R44 submitted 1996-02-04 math.RT

Alan Weinstein This is my paper · ORCID

classification math.RT

keywords examplesgroupoidssymmetryalgebroidsbegincorrespondingdescribedifferentiable

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The aim of this paper is to explain, mostly through examples, what groupoids are and how they describe symmetry. We will begin with elementary examples, with discrete symmetry, and end with examples in the differentiable setting which involve Lie groupoids and their corresponding infinitesimal objects, Lie algebroids.

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