Pictures of complete positivity in arbitrary dimension

Bob Coecke, Chris Heunen

Research output: Contribution to journalArticlepeer-review


Two fundamental contributions to categorical quantum mechanics are presented. First, we generalize the CPM-construction, that turns any dagger compact category into one with completely positive maps, to arbitrary dimension. Second, we axiomatize when a given category is the result of this construction
Original languageEnglish
Pages (from-to)50-58
Number of pages9
JournalInformation and Computation
Early online date1 Jun 2016
Publication statusPublished - Oct 2016


  • Infinite-dimensional Hilbert spaces

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