Relating Toy Models of Quantum Computation: Comprehension, Complementarity and Dagger Mix Autonomous Categories

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Pavlovic, Dusko (2011) Relating Toy Models of Quantum Computation: Comprehension, Complementarity and Dagger Mix Autonomous Categories. Electronic Notes in Theoretical Computer Science (ENTCS), 270 (2). pp. 121-139. ISSN 1571-0661

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Abstract:Toy models have been used to separate important features of quantum computation from the rich background of the standard Hilbert space model. Category theory, on the other hand, is a general tool to separate components of mathematical structures, and analyze one layer at a time. It seems natural to combine the two approaches, and several authors have already pursued this idea. We explore categorical comprehension construction as a tool for adding features to toy models. We use it to comprehend quantum propositions and probabilities within the basic model of finite-dimensional Hilbert spaces. We also analyze complementary quantum observables over the category of sets and relations. This leads into the realm of test spaces, a well-studied model. We present one of many possible extensions of this model, enabled by the comprehension construction. Conspicuously, all models obtained in this way carry the same categorical structure, extending the familiar dagger compact framework with the complementation operations. We call the obtained structure dagger mix autonomous, because it extends star autonomous categories, popular in computer science, in a similar way like dagger compact structure extends compact categories. Dagger mix autonomous categories seem to arise quite naturally in quantum computation, as soon as complementarity is viewed as a part of the global structure.
Item Type:Article
Additional information:6th International Workshop on Quantum Physics and Logic (QPL 2009), Oxford, UK, 8-9 April 2009
Copyright:© 2011 Elsevier
Faculty:
Electrical Engineering, Mathematics and Computer Science (EEMCS)
Research Group:
Link to this item:http://purl.utwente.nl/publications/77962
Official URL:http://dx.doi.org/10.1016/j.entcs.2011.01.027
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