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most citedDark Energy-Dark Matter Interaction and putative violation of the Equivalence Principle from the Abell Cluster A586

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math.CT2004★ 145 cited

Etale groupoids and their quantales

Pedro Resende

We establish a close and previously unknown relation between quantales and groupoids, in terms of which the notion of etale groupoid is subsumed in a natural way by that of quantal…