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math.CT2013
Abstract Tensor Systems as Monoidal Categories
Aleks Kissinger
The primary contribution of this paper is to give a formal, categorical treatment to Penrose's abstract tensor notation, in the context of traced symmetric monoidal categories. To…
math.CT2013★ 35 cited
Completely positive projections and biproducts
Chris Heunen, Aleks Kissinger, Peter Selinger
The recently introduced CP*-construction unites quantum channels and classical systems, subsuming the earlier CPM-construction in categorical quantum mechanics. We compare this con…