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 year         = {2017},
 title        = {The Quantum Monad on Relational Structures},
 booktitle    = {LIPIcs-Leibniz International Proceedings in Informatics},
 volume       = {83},
 organization = {Schloss Dagstuhl-Leibniz-Zentrum fuer Informatik},
 doi          = {10.4230/LIPIcs.MFCS.2017.35},
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 title        = {Quantum and non-signalling graph isomorphisms},
 journal      = {Journal of Combinatorial Theory, Series B},
 doi          = {10.1016/j.jctb.2018.11.002},
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 title        = {Quantum Stochastics},
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 organization = {Springer},
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 title        = {A categorical approach to probability theory},
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 author       = {Teiko Heinosaari and M{\'a}rio Ziman},
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 title        = {The mathematical language of quantum theory: from uncertainty to entanglement},
 publisher    = {Cambridge University Press},
 doi          = {10.1017/CBO9781139031103},
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 author       = {Bart Jacobs},
 year         = {2011},
 title        = {Probabilities, distribution monads, and convex categories},
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 pages        = {3323--3336},
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@article(jacobs2015new,
 author       = {Bart Jacobs},
 year         = {2015},
 title        = {New directions in categorical logic, for classical, probabilistic and quantum logic},
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 volume       = {11},
 number       = {3},
 doi          = {10.2168/LMCS-11(3:24)2015},
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@article(manvcinska2016quantum,
 author       = {Man{\v{c}}inska, Laura and David E Roberson},
 year         = {2016},
 title        = {Quantum homomorphisms},
 journal      = {Journal of Combinatorial Theory, Series B},
 volume       = {118},
 pages        = {228--267},
 doi          = {10.1016/j.jctb.2015.12.009},
)
@inproceedings(milius2015generic,
 author       = {Stefan Milius and Dirk Pattinson and Lutz Schr{\"o}der},
 year         = {2015},
 title        = {Generic trace semantics and graded monads},
 booktitle    = {LIPIcs-Leibniz International Proceedings in Informatics},
 volume       = {35},
 organization = {Schloss Dagstuhl-Leibniz-Zentrum fuer Informatik},
 doi          = {10.4230/LIPIcs.CALCO.2015.253},
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@article(roberson2013variations,
 author       = {David E Roberson},
 title        = {Variations on a theme: Graph homomorphisms. {P}h{D}'s thesis, {U}niversity of {W}aterloo, 2013.},
 url          = {http://hdl.handle.net/10012/7814},
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