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Abstract AlgebraRepresentation TheoryNilpotent GroupUniversal AlgebraEquivalent Groupoids
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Alex Kumjian, David Pask · ArXiv.org · 2000 · 273 citations · Full text
Étale groupoids and their quantales
Pedro Resende · Advances in Mathematics · 2006 · 144 citations · Full text
Geometric Group Theory, Universal Algebra, éTale Groupoids +1