Research
Software
Publications
a list of publications by J. D. Mitchell on MathSciNet
  1. (with Igor Dolinka, James East, Athanasios Evangelou, Desmond FitzGerald, Nicholas Ham, James Hyde, Nicholas Loughlin) ‘Enumeration of idempotents in planar diagram monoids’, submitted; https://arxiv.org/abs/1507.04838
  2. (with James Hyde, Julius Jonusas, James D. Mitchell, Yann H. Péresse) ‘Sets of universal sequences for the symmetric group and analogous semigroups’, submitted; https://arxiv.org/abs/1803.01377
  3. (with J. East and M. Gadouleau) ‘Structural aspects of semigroups based on digraphs’, submitted; https://arxiv.org/abs/1704.00937
  4. (with Jillian D. McPhee and Martyn Quick) ‘Automorphism groups of linearly ordered structures and endomorphisms of the ordered set (ℚ,≤) of rational numbers’, to appear in Q. J. Math.; https://arxiv.org/abs/1607.03655
  5. (with J. East, A. Egri-Nagy, and Y. Péresse) ‘Computing finite semigroups’, to appear in J. Symbolic Comput.; https://doi.org/10.1016/j.jsc.2018.01.002 https://arxiv.org/abs/1510.01868
  6. (with J. East, N. Ruskuc, and M. Torpey) ‘Congruence lattices of finite diagram monoids’, Adv. Math. 333 (2018) 931-1003; https://doi.org/10.1016/j.aim.2018.05.016 https://arxiv.org/abs/1709.00142
  7. (with C. Donoven and W. Wilson) ‘Computing maximal subsemigroups of a finite semigroup’, Journal of Algebra 505 (2018) 559-596; https://doi.org/10.1016/j.jalgebra.2018.01.044 https://arxiv.org/abs/1606.05583
  8. (with J. East, J. Kumar, and W. Wilson) ‘Maximal subsemigroups of finite transformation and partition monoids’, Journal of Algebra 504 (2018) 176-216; https://doi.org/10.1016/j.jalgebra.2018.01.048 https://arxiv.org/abs/1706.04967
  9. (with J. Jonusas and M. Pfeiffer) ‘Two variants of the Froiduire-Pin Algorithm for finite semigroups’, Portugal. Math. 74 (2018) 173-200; http://dx.doi.org/10.4171/PM/2001 https://arxiv.org/abs/1704.04084
  10. (with J. East and A. Egri-Nagy) ‘Enumerating transformation semigroups’, Semigroup Forum 95 (2017) 109-125; http://dx.doi.org/10.1007/s00233-017-9869-2 https://arxiv.org/abs/1403.0274
  11. (with J. Jonusas) ‘Topological 2-generation of automorphism groups of countable ultrahomogeneous graphs’, Forum Mathematicum 29 (2017) 905-940; http://dx.doi.org/10.1515/forum-2016-0056 https://arxiv.org/abs/1602.05766
  12. (with P. Cameron, M. Gadouleau, and Y. Péresse) ‘Chains of subsemigroups’, Israel Journal of Mathematics 220 (2017) 479–508; http://dx.doi.org/10.1007/s11856-017-1523-x https://arxiv.org/abs/1501.06394
  13. (with P. J. Cameron, A. Castillo-Ramirez, and M. Gadouleau) ‘Lengths of words in transformation semigroups generated by digraphs’, Journal of Algebraic Combinatorics 45 (2017) 149–170; http://dx.doi.org/10.1007/s10801-016-0703-9 https://arxiv.org/abs/1602.00935
  14. (with S. Craik, R. Gray, V. Kilibada, and N. Ruskuc) ‘Ends of semigroups’, Semigroup Forum 93 (2016) 330-346; http://dx.doi.org/10.1007/s00233-016-9814-9 https://arxiv.org/abs/1409.1044
  15. (with J. Hyde, J. Jonušas, and Y. Péresse) ‘Universal sequences for the order-automorphisms of the rationals’, J. Lond. Math. Soc. 94 (2016) 21-37; http://dx.doi.org/10.1112/jlms/jdw015 https://arxiv.org/abs/1401.7823
  16. (with Z. Mesyan) ‘The Structure of a Graph Inverse Semigroup’, Semigroup Forum 93 (2016) 111-130; http://dx.doi.org/10.1007/s00233-016-9793-x https://arxiv.org/abs/1409.4380
  17. (with Igor Dolinka, Robert D. Gray, Jillian D. McPhee, and Martyn Quick) ‘Automorphism groups of countable algebraically closed graphs and endomorphisms of the random graph’, Math. Proc. Cambridge Philos. Soc. 160 (2016) 437-462; http://dx.doi.org/10.1017/S030500411500078X https://arxiv.org/abs/1408.4107
  18. (with Z. Mesyan, M. Morayne, and Y. Péresse) ‘Topological graph inverse semigroups’, Topology and its applications 208 (2016) 106-126; http://dx.doi.org/10.1016/j.topol.2016.05.012 https://arxiv.org/abs/1306.5388
  19. (with I. Dolinka and J. East) ‘Idempotent rank in the endomoprhism monoid of a non-uniform partition’, Bull. Aust. Math. Soc. 93 (2016) 73-91; http://dx.doi.org/10.1017/s0004972715000751 https://arxiv.org/abs/1504.02520
  20. (with Araújo, W. Bentz, and C. Schneider) ‘The rank of the semigroup of transformations stabilising a partition of a finite set’, Math. Proc. Cambridge Philos. Soc. 159 (2015) 339–353; http://dx.doi.org/10.1017/S0305004115000389 https://arxiv.org/abs/1404.1598
  21. (with J. East and Y. Péresse) ‘Maximal subsemigroups of the semigroup of all mappings on an infinite set’, Trans. Amer. Math. Soc. 367 (2015) 1911-1944; http://dx.doi.org/10.1090/S0002-9947-2014-06110-2 https://arxiv.org/abs/1104.2011
  22. (with N. Abu-Ghazalh, Y. Péresse, and N. Ruskuc) ‘A classification of disjoint unions of two or three copies of the free monogenic semigroup’, Semigroup Forum 91 (2015) 53-61; http:/dx.doi.org/10.1007/s00233-014-9638-4 https://arxiv.org/abs/1312.5518
  23. (with Julius Jonušas) ‘A finite interval in the subsemigroup lattice of the full transformation monoid’, Semigroup Forum 89 (2014) 183-198; http:/dx.doi.org/10.1007/s00233-013-9537-0 https://arxiv.org/abs/1301.2171
  24. (with R. Gray, V. Maltcev, and N. Ruskuc) ‘Ideals and finiteness conditions for subsemigroups’, Glasgow Math. J. 56 (2014) 65-86; http://dx.doi.org/10.1017/S0017089513000086 https://arxiv.org/abs/1204.6602
  25. (with A. Egri-Nagy and C. L. Nehaniv) ‘SgpDec: Cascade (De)Compositions of Finite Transformation Semigroups and Permutation Groups’, in Mathematical Software – ICMS 2014 Volume 8592 of the series Lecture Notes in Computer Science pp 75-82 http://dx.doi.org/10.1007/978-3-662-44199-2_13
  26. (with J. Araújo, P. J. Cameron, and M. Neunhoeffer) ‘A classification of normalizing groups’, Journal of Algebra 373 (2013) 481-490; http://dx.doi.org/10.1016/j.jalgebra.2012.08.033 https://arxiv.org/abs/1205.0450
  27. (with Y. Péresse) ‘Sierpiński's rank for groups and semigroups’, Wiad. Mat. 48 (2012) 209-215; a special issue of Wiadomości Matematyczne on the occasion of the European Congress of Mathematics, Krakow, Poland, 2012.
  28. (with A. Distler) ‘ The number of nilpotent semigroups of degree 3 ’, Electronic Journal of Combinatorics 19 (2012) P51; https://arxiv.org/abs/1201.3529
  29. (with Z. Mesyan, M. Morayne, and Y. Péresse) ‘The Bergman-Shelah preorder on transformation semigroups’, Mathematical Logic Quarterly 58 (2012) 424-433; http://dx.doi.org/10.1002/malq.201200002 https://arxiv.org/abs/1109.2706
  30. (with Attila Egri-Nagy and Chrystopher Nehaniv), ‘Algorithms for the Efficient Calculation of the Holonomy Decomposition’, in P. Dömösi & I. Szabolcs (Eds.): Automata and Formal Languages, 13th International Conference, AFL 2011, Debrecen, Hungary, August 17-22, 2011, Proceedings, pp. 389-390, 2011 (extended abstract), ISBN 978-615-5097-19-5.
  31. (with J. Araújo, V. H. Fernandes, M. M. Jesus, and V. Maltcev) ‘Automorphisms of partial endomorphism semigroups’, Publ. Math. Debrecen 79 (2011) 23-39; http://dx.doi.org/10.5486/PMD.2011.4703
  32. (with J. Araújo and C. Schneider) ‘Groups that together with any transformation generate regular semigroups or idempotent generated semigroups’, Journal of Algebra 343 (2011) 93-106; http://dx.doi.org/10.1016/j.jalgebra.2011.07.002 ; see also the paper's webpage
  33. (with Y. Péresse) ‘Generating countable sets of surjective functions’, Fund. Math. 213 (2011) 67-93; http://dx.doi.org/10.4064/fm213-1-4
  34. (with U. Darji) ‘Approximation of automorphisms of the rationals and the random graph’, Journal of Group Theory 14 (2011) 361-388; http://dx.doi.org/10.1515/JGT.2010.057
  35. (with M. Morayne and Y. Péresse) ‘Generating the infinite symmetric group using a closed subgroup and the least number of other elements’, Proc. Amer. Math. Soc. 139 (2011) 401-405; http://dx.doi.org/10.1090/S0002-9939-2010-10694-9
  36. (with J. Cichoń, M. Morayne, and Y. Péresse) ‘Relative ranks of Lipschitz mappings on countable discrete metric spaces’, Topology and its Applications 158 (2011) 412-423; http://dx.doi.org/10.1016/j.topol.2010.11.020
  37. (with M. Morayne, Y. Péresse, and M. Quick) ‘Generating transformation semigroups using endomorphisms of preorders, graphs, and tolerances’, Annals of Pure and Applied Logic 161 (2010) 1471-1485; http://dx.doi.org/10.1016/j.apal.2010.05.001
  38. (with V. H. Fernandes, M. M. Jesus, and V. Maltcev) ‘Endomorphisms of the semigroup of order-preserving mappings’, Semigroup Forum 81 (2010) 277-285; http://dx.doi.org/10.1007/s00233-010-9220-7
  39. (with J. Araújo, P. von Bünau and M. Neunhoeffer) ‘Computing automorphisms of semigroups’, J. Symbolic Comput. 45 (2010) 373-392; http://dx.doi.org/10.1016/j.jsc.2009.10.001
  40. (with V. Maltcev and N. Ruskuc) ‘The Bergman property for semigroups’, J. Lond. Math. Soc. 80 (2009) 212-232; http://dx.doi.org/10.1112/jlms/jdp025
  41. (with S. Huczynska and C. M. Roney-Dougal eds.) ‘Surveys in Combinatorics’, 2009, LMS Lecture Note Series, 365, Cambridge University Press 2009. http://dx.doi.org/10.1017/CBO9781107325975
  42. (with U. Darji) ‘Highly transitive subgroups of the symmetric group on the natural numbers’, Colloq. Math. 112 (2008) 163-173; http://dx.doi.org/10.4064/cm112-1-9
  43. (with R. Gray) ‘Largest subsemigroups of the full transformation monoid’, Discrete Math. 308 (2008) 4801-4810; http://dx.doi.org/10.1016/j.disc.2007.08.075
  44. (with Y. Péresse and M. Quick) ‘Generating sequences of functions’, Q. J. Math. 58 (2007) 71-79; http://dx.doi.org/10.1093/qmath/hal011
  45. (with J. M. André and V. H. Fernandes) ‘Largest 2-generated subsemigroups of the symmetric inverse semigroup’, Proc. Edinburgh Math. Soc. 50 (2007) 551-561; http://dx.doi.org/10.1017/S0013091505001598
  46. (with J. Araújo) ‘Relative ranks in the monoid of endomorphisms of independence algebras of infinite rank’, Monatsh. Math. 151 (2007) 1-10; http://dx.doi.org/10.1007/s00605-006-0433-5
  47. (with J. Cichoń and M. Morayne) ‘Generating continuous mappings with Lipschitz mappings’, Trans. Amer. Math. Soc. 359 (2007) 2059-2074; http://dx.doi.org/10.1090/S0002-9947-06-04026-8
  48. (with P. M. Higgins, M. Morayne and N. Ruskuc) ‘Rank properties of endomorphisms of infinite partially ordered sets’, Bull. London Math. Soc. 38 (2006) 177-191; http://dx.doi.org/10.1112/S0024609305018138
  49. (with I. Levi) ‘On rank properties of endomorphisms of finite circular orders’, Comm. Algebra 34 (2006) 1237-1250; http://dx.doi.org/10.1080/00927870500454091
  50. (with J. Araújo) ‘An elementary proof that every singular nxn matrix is a product of idempotents’, Amer. Math. Monthly 112 (2005) 641-645; http://dx.doi.org/10.2307/30037549
  51. ‘Turan's graph theorem and maximum independent sets in Brandt semigroups’, Proceedings of the Workshop Semigroups and Languages (Lisbon, 2002), 151-163 World Sci. Publishing, 2004; http://dx.doi.org/10.1142/9789812702616_0009
  52. (with J. Araújo and N. Silva) ‘On generating countable sets of endomorphisms’, Algebra Universalis 50 (2003) 61-67; http://dx.doi.org/10.1007/s00012-003-1809-1
  53. (with J. M. Howie, P. M. Higgins and N. Ruskuc) ‘Countable versus uncountable rank in infinite semigroups of transformations and relations’, Proc. Edinburgh Math. Soc. 46 (2003) 531-544; http://dx.doi.org/10.1017/S0013091502000974
  54. (with P. M. Higgins and N. Ruskuc) ‘Generating infinite full transformation semigroups using order preserving maps’, Glasgow Math. J. 45 (2003) 557-566; http://dx.doi.org/10.1017/S0017089503001460
  55. (with C. M. Campbell and N. Ruskuc) ‘On the efficiency and deficiency of Rees matrix semigroups’, Semigroups, algorithms, automata and languages (Coimbra, 2001), 331-339, World Sci. Publishing, 2002; http://dx.doi.org/10.1142/9789812776884_0012
  56. (with C. M. Campbell and N. Ruskuc) ‘Comparing semigroup and monoid presentations for finite monoids’, Months. Math. 134 (2002) 287-293; http://dx.doi.org/10.1007/s605-002-8263-7
  57. (with C. M. Campbell and N. Ruskuc) ‘On defining groups efficiently without inverses’, Math. Proc. Cambridge Philos. Soc. 133 (2002) 31-36; http://dx.doi.org/10.1017/S0305004102005959