@InProceedings{lopez_et_al:LIPIcs.CSL.2018.29, author = {Lopez, Aliaume and Simpson, Alex}, title = {{Basic Operational Preorders for Algebraic Effects in General, and for Combined Probability and Nondeterminism in Particular}}, booktitle = {27th EACSL Annual Conference on Computer Science Logic (CSL 2018)}, pages = {29:1--29:17}, series = {Leibniz International Proceedings in Informatics (LIPIcs)}, ISBN = {978-3-95977-088-0}, ISSN = {1868-8969}, year = {2018}, volume = {119}, editor = {Ghica, Dan R. and Jung, Achim}, publisher = {Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik}, address = {Dagstuhl, Germany}, URL = {https://drops.dagstuhl.de/entities/document/10.4230/LIPIcs.CSL.2018.29}, URN = {urn:nbn:de:0030-drops-96965}, doi = {10.4230/LIPIcs.CSL.2018.29}, annote = {Keywords: contextual equivalence, algebraic effects, operational semantics, domain theory, nondeterminism, probabilistic choice, Markov decision process} }