A bicategorical interpretation for relative Cuntz--Pimsner algebras

Published 11 Aug 2017 in math.OA | (1708.03471v2)

Abstract: We interpret the construction of relative Cuntz-Pimsner algebras of correspondences in terms of the correspondence bicategory, as a reflector into a certain sub-bicategory. This generalises a previous characterisation of absolute Cuntz-Pimsner algebras of proper correspondences as colimits in the correspondence bicategory.

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