@article {For55, AUTHOR = {Forsythe, George E.}, TITLE = {S{WAC} computes {$126$} distinct semigroups of order {$4$}}, JOURNAL = {Proc. Amer. Math. Soc.},
FJOURNAL = {Proceedings of the American Mathematical Society}, VOLUME = {6}, YEAR = {1955}, PAGES = {443--447},
ISSN = {0002-9939},
MRCLASS = {20.0X},
MRNUMBER = {MR0069814 (16,1085d)},
MRREVIEWER = {A. H. Clifford},
}
@article {KRS76, AUTHOR = {Kleitman, Daniel J. and Rothschild, Bruce R. and Spencer, Joel
H.}, TITLE = {The number of semigroups of order {$n$}}, JOURNAL = {Proc. Amer. Math. Soc.},
FJOURNAL = {Proceedings of the American Mathematical Society}, VOLUME = {55}, YEAR = {1976}, NUMBER = {1}, PAGES = {227--232},
ISSN = {0002-9939},
MRCLASS = {05A15 (20M99)},
MRNUMBER = {MR0414380 (54\#2483)},
MRREVIEWER = {A. Gewirtz},
}
@article {DMU13, AUTHOR = {Distler, Andreas and Maltcev, Victor and Umar, Abdullahi}, TITLE = {{J}*={D}* need not hold in finite semigroups}, JOURNAL = {submitted},
URL = {https://arxiv.org/abs/1302.0985}, YEAR = {2013},
}
%%%%%%%%%
@article {SZT94, AUTHOR = {Satoh, S. and Yama, K. and Tokizawa, M.}, TITLE = {Semigroups of order {$8$}}, JOURNAL = {Semigroup Forum},
FJOURNAL = {Semigroup Forum}, VOLUME = {49}, YEAR = {1994}, NUMBER = {1}, PAGES = {7--29},
ISSN = {0037-1912},
CODEN = {SMGFAN},
MRCLASS = {20M10},
MRNUMBER = {MR1272859 (95i:20080)},
MRREVIEWER = {Bernard L. Madison},
}
%%%%%%%%%
@article {JW77, AUTHOR = {Jürgensen, H. and Wick, P.}, TITLE = {Die {H}albgruppen der {O}rdnungen {$\leq7$}}, JOURNAL = {Semigroup Forum},
FJOURNAL = {Semigroup Forum}, VOLUME = {14}, YEAR = {1977}, NUMBER = {1}, PAGES = {69--79},
ISSN = {0037-1912},
MRCLASS = {20M99},
MRNUMBER = {MR0447452 (56\#5764)},
MRREVIEWER = {Eckehart Hotzel},
}
%%%%%%%%%
@article {Ple67, AUTHOR = {Plemmons, Robert J.}, TITLE = {There are {${\rm15973}$} semigroups of order {${\rm6}$}}, JOURNAL = {Math. Algorithms}, VOLUME = {2}, YEAR = {1967}, PAGES = {2--17},
MRCLASS = {20.93},
MRNUMBER = {MR0235059 (38\#3371)},
}
%%%%%%%%%
@article {tamura1, AUTHOR = {Tetsuya, Kazutoshi and Hashimoto, Takao and Akazawa, Tadao and
Shibata, Ryoichi and Inui, Tadashi and Tamura, Takayuki}, TITLE = {All semigroups of order at most {$5$}}, JOURNAL = {J. Gakugei Tokushima Univ. Nat. Sci. Math.}, VOLUME = {6}, YEAR = {1955}, PAGES = {19--39. Errata on loose, unpaginated sheet},
MRCLASS = {20.0X},
MRNUMBER = {MR0078377 (17,1184c)},
MRREVIEWER = {J. L. Selfridge},
}
%%%%%%%%%
@article {tamura2, AUTHOR = {Tamura, Takayuki}, TITLE = {Notes on finite semigroups and determination of semigroups of
order {$4$}}, JOURNAL = {J. Gakugei. Tokushima Univ. Math.}, VOLUME = {5}, YEAR = {1954}, PAGES = {17--27},
MRCLASS = {20.0X},
MRNUMBER = {MR0069813 (16,1085c)},
MRREVIEWER = {A. H. Clifford},
}
@book {Gri95, AUTHOR = {Grillet, P.-A.}, TITLE = {Semigroups},
SERIES = {Monographs and Textbooks in Pure and Applied Mathematics}, VOLUME = {193},
NOTE = {An introduction to the structure theory}, PUBLISHER = {Marcel Dekker Inc.}, ADDRESS = {New York}, YEAR = {1995}, PAGES = {xii+398},
ISBN = {0-8247-9662-4},
MRCLASS = {20M10 (20M14 20M17 20M18 20M35)},
MRNUMBER = {MR1350793 (96k:20122)},
MRREVIEWER = {M{\'a}ria B. Szendrei},
}
%%%%%%%%%
@book {HP73, AUTHOR = {Harary, Frank and Palmer, Edgar M.}, TITLE = {Graphical enumeration}, PUBLISHER = {Academic Press}, ADDRESS = {New York}, YEAR = {1973}, PAGES = {xiv+271},
MRCLASS = {05C30},
MRNUMBER = {MR0357214 (50\#9682)},
MRREVIEWER = {R. W. Robinson},
}
%%%%%%%%%
@book {How76, AUTHOR = {Howie, J. M.}, TITLE = {An introduction to semigroup theory},
NOTE = {L.M.S. Monographs, No. 7}, PUBLISHER = {Academic Press [Harcourt Brace Jovanovich Publishers]}, ADDRESS = {London}, YEAR = {1976}, PAGES = {x+272},
MRCLASS = {20MXX},
MRNUMBER = {MR0466355 (57\#6235)},
MRREVIEWER = {T. E. Hall},
}
%%%%%%%%%
@book {JMS91, AUTHOR = {Jürgensen, H. and Migliorini, F. and Sz{\'e}p, J.}, TITLE = {Semigroups}, PUBLISHER = {Akad\'emiai Kiad\'o (Publishing House of the Hungarian Academy
of Sciences)}, ADDRESS = {Budapest}, YEAR = {1991}, PAGES = {vi+121},
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MRCLASS = {20Mxx (20-01)},
MRNUMBER = {MR1131287 (92j:20056)},
MRREVIEWER = {John M. Howie},
}
@inproceedings{minion, author = {Ian P. Gent and
Christopher Jefferson and
Ian Miguel}, title = {Minion: A Fast Scalable Constraint Solver}, booktitle = {The European Conference on Artificial Intelligence 2006
(ECAI 06)}, editor = {Gerhard Brewka and
Silvia Coradeschi and
Anna Perini and
Paolo Traverso}, publisher = {IOS Press}, year = {2006},
isbn = {1-58603-642-4}, pages = {98-102},
}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % MISC %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
@misc{OEIS, AUTHOR = {Sloane, N. J. A.}, TITLE = {The On-Line Encyclopedia of Integer Sequences}, YEAR = {2008},
howpublished ={{\verb+https://oeis.org+}}
}
@phdthesis{Dis10, author = {Distler, A.}, title = {Classification and Enumeration of finite Semigroups}, school = {St Andrews University}, year = {2010}
}
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