N. RUSKUC--PUBLICATIONS
(updated April 12, 2013)
- S. Crvenkovic, N. Ruskuc,
On semigroups having n2 essentially n-ary polynomials,
Algebra Universalis 30(1993), 269-271.
- S. Crvenkovic, N. Ruskuc,
On groupoids having n2 essentially n-ary polynomials,
Review of Research, Faculty of Science, Math. Ser. 23,
1(1993), 287-312.
- N. Ruskuc, On the rank of completely 0-simple semigroups, Math. Proc.
Cambridge Philos. Soc. 116(1994), 325-338.
- C.M. Campbell, E.F. Robertson, N. Ruskuc, R.M. Thomas,
Fibonacci semigroups, J. Pure Appl. Algebra 94(1994), 49-57.
- C.M. Campbell, E.F. Robertson, N. Ruskuc, R.M. Thomas,
Semigroup presentations and minimal ideals,
in `The Proceedings of the ICMS Workshop on Geometric
and Combinatorial Methods in Group Theory', A.J. Duncan et al. (eds.),
Cambridge University Press, 1994, 29-42.
- J.M. Howie, N. Ruskuc,
Constructions and presentations for monoids, Comm. Algebra
22(1994), 6209-6224.
- N. Ruskuc, Matrix semigroups- generators and relations, Semigroup Forum
51(1995), 319-333.
- N. Ruskuc, Semigroup Presentations (Ph.D. Thesis, University of
St Andrews, 1995).
Electronic copy..
- C.M. Campbell, E.F. Robertson, N. Ruskuc, R.M. Thomas,
Semigroup and group presentations, Bull. London Math. Soc. 27(1995),
46-50.
- C.M. Campbell, E.F. Robertson, N. Ruskuc, R.M. Thomas,
Rewriting a semigroup presentation, Internat. J. Algebra Comput. 5(1995), 81-103.
- C.M. Campbell, E.F. Robertson, N. Ruskuc, R.M. Thomas,
Reidemeister-Schreier type rewriting for semigroups,
Semigroup Forum 51(1995), 47-62.
- C.M. Campbell, E.F. Robertson, N. Ruskuc, R.M. Thomas,
On semigroups defined by Coxeter type presentations,
Proc. Royal Soc. Edinburgh, 125(1995), 1063-1075.
- C.M. Campbell, E.F. Robertson, N. Ruskuc, R.M. Thomas, Y. Unlu,
Certain one-relator products of semigroups, Comm. Algebra 23(1995), 5207-5219.
- S. Crvenkovic, N. Ruskuc,
Log-linear varieties of semigroups, Algebra Universalis
33(1995), 370-374.
- C.M. Campbell, E.F. Robertson, N. Ruskuc, R.M. Thomas,
Subsemigroups of finitely presented semigroups, J. Algebra
180(1996), 1-21.
- C.M. Campbell, E.F. Robertson, N. Ruskuc, R.M. Thomas,
On subsemigroups and ideals in free products of semigroups,
Internat. J. Algebra Comput. 6 (1996), 571-591.
- S.A. Linton, G. Pfeiffer, E. F. Robertson, N. Ruskuc,
Monoid, GAP refereed share package 22 (1997).
- N. Ruskuc, On large subsemigroups and finiteness conditions of semigroups,
Proc. London Math. Soc. 76 (1998), 383-405.
- C.M. Campbell, E.F. Robertson, N. Ruskuc, R.M. Thomas,
Presentations for subsemigroups--applications to ideals of semigroups,
J. Pure Appl. Algebra 124 (1998), 47-64.
- P.M. Higgins, J.M. Howie, N. Ruskuc,
On relative ranks of full transformation semigroups,
Comm. Algebra 26 (1998), 733-748.
- P.M. Higgins, J.M. Howie, N. Ruskuc,
Generators and factorizations of transformation
semigroups, Proc. Roy. Soc. Edinburgh.
128 (1998), 1355-1369.
- J.M. Howie, N. Ruskuc,
`Semigroups and Applications'
(Proceedings), World Scientific, Singapore, 1998.
- S.A. Linton, G. Pfeiffer, E.F. Robertson, N. Ruskuc,
Groups and actions in transformation semigroups,
Math. Z. 228 (1998), 435-450.
- E.F. Robertson, N. Ruskuc, J. Wiegold,
Generators and relations of direct products of
semigroups, Trans. Amer. Math. Soc.
350 (1998), 2665-2685.
- N. Ruskuc, R.M. Thomas,
Syntactic and Rees indices of subsemigroups,
J. Algebra 205 (1998), 435-450.
- N. Ruskuc, A note on maximal group homomorphic images
of completely simple semigroups,
Semigroup Forum 58 (1999), 466-467.
- N. Ruskuc, Presentations for subgroups of monoids, J. Algebra
220 (1999), 365-380.
- H. Ayik, N. Ruskuc, Generators and relations of Rees matrix semigroups,
Proc. Edinburgh Math. Soc. 42 (1999), 481-495.
- C.M. Campbell, E.F. Robertson, N. Ruskuc, G.C. Smith,
`Groups St Andrews 1997 in Bath' (Proceedings, 2 Volumes),
Cambridge University Press, Cambridge, 1999.
- C.M. Campbell, E.F. Robertson, N. Ruskuc, R.M. Thomas,
Groups, semigroups and finite presentations,
in `Geometric Group Theory Down Under',
J. Cossey et al. (eds.), Walter de Gruyter, Berlin, 1999, 55-69.
- A.J. Duncan, E.F. Robertson, N. Ruskuc,
Automatic monoids and change of generators,
Math. Proc. Cambridge Philos. Soc., 127 (1999), 403-409.
- P.Z. Hermann, E.F. Robertson, N. Ruskuc,
On products of all elements of a finite semigroup,
Proc. Edinburgh Math. Soc. 42 (1999), 551-557.
- N. Ruskuc, On finite
presentability of monoids and their
Schutzenberger groups,
Pacific J. Math. 195 (2000), 487-509.
- N. Ruskuc, Presentations for monoids, their maximal subgroups,
and Schutzenberger groups,
in `Algorithmic Problems in Groups and Semigroups',
J.-C. Birget et al. (eds.), Birkhauser, Boston, 2000, 235-249.
- I.M. Araujo, N. Ruskuc,
On finite presentability of direct products of semigroups,
Algebra Colloq. 7 (2000), 83-91.
- R.E. Arthur, N. Ruskuc,
Presentations for two extensions of the monoid of order-preserving mappings on a finite chain,
Southeast Asian Bull. Math. 24 (2000), 1-7.
- H. Ayik, C.M. Campbell, J.J. O'Connor, N. Ruskuc,
Minimal presentations and efficiency of semigroups,
Semigroup Forum 60 (2000), 231-242.
- H. Ayik, C.M. Campbell, J.J. O'Connor, N. Ruskuc,
On the efficiency of finite simple semigroups,
Turkish J. Math 24 (2000), 129-146.
- H. Ayik, C.M. Campbell, J.J. O'Connor, N. Ruskuc,
On the efficiency of wreath products of groups,
in `Groups Korea 98', Y.C. Baik et al. (eds.),
Walter de Gruyter, Berlin, 2000, 39-51.
- H. Ayik, C.M. Campbell, J.J. O'Connor, N. Ruskuc,
The semigroup efficiency of direct powers of groups,
in `Proceedings of the International Conference on Semigroups, Braga, Portugal',
P. Smith et al. (eds.), World Scientific, Singapore, 2000, 19-25.
- H. Ayik, C.M. Campbell, J.J. O'Connor, N. Ruskuc,
The semigroup efficiency of groups and monoids,
Math. Proc. Roy. Irish Acad. Sect. A,
100 (2000), 171-176.
- C.M. Campbell, E.F. Robertson, N. Ruskuc, R.M. Thomas,
Direct products of automatic semigroups,
J. Austral. Math. Soc. 69 (2000), 19-24.
- S. Crvenkovic, I. Dolinka, N. Ruskuc,
Notes on the number of operations of finite semigroups,
Acta Sci. Math. (Szeged) 66 (2000), 23-31.
- I.M. Araujo, N. Ruskuc,
Finite presentability of Bruck-Reilly extensions of groups,
J. Algebra 242 (2001), 20-30.
DOI: 10.1006/jabr.2001.8810 .
- I.M. Araujo, M.J.J. Branco,
V.H. Fernandes and G.M.S. Gomes, N. Ruskuc,
On generators and relations for unions of semigroups,
Semigroup Forum 63 (2001), 49-62.
- C.M. Campbell, E.F. Robertson, N. Ruskuc, R.M. Thomas,
Automatic semigroups,
Theoret. Comput. Sci. 250 (2001), 365-91.
DOI: 10.1016/S0304-3975(99)00151-6.
- S. Crvenkovic, I. Dolinka, N. Ruskuc,
Finite semigroups with few term operations,
J. Pure Appl. Algebra 157 (2001), 205-214.
DOI: 10.1016/S0022-4049(00)00017-7.
- S. Crvenkovic, I. Dolinka, N. Ruskuc,
The Berman conjecture is true for finite surjective semigroups
and their
inflations, Semigroup Forum 62 (2001), 103-114.
DOI: 10.1007/s002330010010.
- F. Otto, N. Ruskuc,
Confluent monadic string-rewriting systems and automatic structures,
J. Autom. Lang. Comb. 6 (2001), 375-388.
- E.F. Robertson, N. Ruskuc, M.R. Thomson,
On diagonal acts of monoids,
Bull. Austral. Math. Soc. 63 (2001), 167-175.
DOI: 10.1017/S0004972700019225.
- M.D. Atkinson, M.M. Murphy, N. Ruskuc,
Partially well-ordered closed sets of permutations,
Order 19 (2002), 101-113.
DOI: 10.1023/A:1016500300436.
arXiv:math/0310321.
- M.D. Atkinson, M.M. Murphy, N. Ruskuc,
Sorting with two ordered stacks in series,
Theoret. Comput. Sci. 289 (2002), 205-223.
DOI: 10.1016/S0304-3975(01)00270-5.
- C.M. Campbell, J.D. Mitchell, N. Ruskuc,
On defining groups efficiently without using inverses,
Math. Proc. Cambridge Philos. Soc.
133 (2002), 31-36.
DOI: 10.1017/S0305004102005959.
Offprint.
- C.M. Campbell, J.D. Mitchell, N. Ruskuc,
On the efficiency and deficiency of Rees matrix semigroups,
in Semigroups, Algorithms, Automata and Languages (Coimbra, 2001), 331-339,
World Sci. Publishing, River Edge, NJ, 2002.
- C.M. Campbell, J.D. Mitchell, N. Ruskuc,
Comparing semigroup and monoid presentations for finite monoids,
Monatsh. Math. 134 (2002), 287-293.
DOI: 10.1007/s605-002-8263-7.
- C.M. Campbell, E.F. Robertson, N. Ruskuc, R.M. Thomas,
Automatic completely simple semigroups,
Acta Math. Hungar. 95 (2002), 201-215.
DOI: 10.1023/A:1015632704977.
- L. Descalco, N. Ruskuc,
On automatic Rees matrix semigroups,
Comm. Algebra 30 (2002), 1207-1226.
DOI: 10.1080/00927870209342378.
- M. Hoffmann, N. Ruskuc, R.M. Thomas,
Automatic semigroups with subsemigroups of finite Rees index,
Internat. J. Algebra Comput. 12 (2002), 463-476.
DOI: 10.1142/S0218196702000833.
- S.A. Linton, G. Pfeiffer, E.F. Robertson, N. Ruskuc,
Computing transformation semigroups,
J. Symb. Comput. 33 (2002), 145-162.
DOI: 10.1006/jsco.2000.0406.
- E.F. Robertson, N. Ruskuc, M.R. Thomson,
On finite generation and other finiteness conditions for wreath products of
semigroups,
Comm. Algebra 30 (2002), 3851-3873.
DOI: 10.1081/AGB-120005823.
- M.H. Albert, M.D. Atkinson, N. Ruskuc,
Regular closed sets of permutations, Theoret. Comput. Sci.
306 (2003), 85-100.
DOI: 10.1016/S0304-3975(03)00212-3.
arXiv:math/0209022 http://arxiv.org/abs/math/0209022
- P.M. Higgins, J.M. Howie, N. Ruskuc,
Set products in transformation semigroups, Proc. Roy. Soc. Edinburgh Sec. A,
133 (2003), 1121-1135.
DOI: 10.1017/S0308210500002833.
- P.M. Higgins, J.M. Howie, J.D. Mitchell, N. Ruskuc,
Countable versus uncountable relative ranks in infinite semigroups of
transformations and relations, Proc. Edinburgh Math. Soc.
46 (2003), 531-544.
DOI: 10.1017/S0013091502000974.
- P.M. Higgins, J.D. Mitchell, N. Ruskuc,
Generating the full transformation semigroup using order preserving mappings,
Glasgow Math. J. 45 (2003), 557-566.
DOI: 10.1017/S0017089503001460.
Offprint.
- E.F. Robertson, N. Ruskuc, M.R. Thomson,
Finite generation and presentability of wreath products of monoids,
J. Algebra 266 (2003), 382-392.
DOI: 10.1016/S0021-8693(03)00311-9.
- M.H. Albert, S.A. Linton, N. Ruskuc,
The insertion encoding of permutations,
Electron. J. Combin. 12 (2005), Research Paper 47, 31 pp. (electronic).
Offprint.
- M.D. Atkinson, M.M. Murphy, N. Ruskuc,
Pattern avoidance classes and subpermutations,
Electron. J. Combin. 12 (2005), Research Paper 60, 18 pp. (electronic).
Offprint.
- L. Descalco, N. Ruskuc,
Subsemigroups of the bicyclic monoid,
Internat. J. Algebra Comput. 15 (2005), 37-57.
DOI: 10.1142/S0218196705002098.
- E.R. Dombi, N.D. Gilbert, N. Ruskuc,
Finite presentability of HNN extensions of inverse semigroups,
Internat. J. Algebra Comput. 15 (2005), 423-436.
DOI: 10.1142/S021819670500227X.
- P. Gallagher, N. Ruskuc,
Finitary power semigroups of infinite groups are not finitely generated,
Bull. London Math. Soc. 37 (2005), 386-390.
DOI: 10.1112/S0024609304004175.
- P. Gallagher, N. Ruskuc,
Generation of diagonal acts of some semigroups of transformations and relations,
Bull. Austral. Math. Soc. 72 (2005), 139-146.
DOI: 10.1017/S0004972700034924.
- R. Gray, N. Ruskuc,
Generating sets of completely simple 0-simple semigroups,
Comm. Algebra 33 (2005), 4657-4678.
DOI: 10.1080/00927870500276676.
- A.J. Cain, E.F. Robertson, N. Ruskuc,
Subsemigroups of virtually free groups: finite Malcev presentations and testing for freeness,
Math. Proc. Cambridge Philos. Soc. 141 (2006), 57-66.
DOI: 10.1017/S0305004106009236.
Offprint.
- A.J. Cain, E.F. Robertson, N. Ruskuc,
Subsemigroups of groups: presentations, Malcev presentations, and automatic structures,
J. Group Theory 9 (2006), 397-426.
DOI: 10.1515/JGT.2006.027.
- P.M. Higgins, J.D. Mitchell, M. Morayne, N. Ruskuc,
Rank properties of endomorphisms of infinite partially ordered sets,
Bull. London Math. Soc. 38 (2006), 177-191.
DOI: 10.1112/S0024609305018138.
- C.A. Carvalho, N. Ruskuc,
Finite presentability of Bruck-Reilly extensions of semilattices,
Comm. Algebra 34 (2006), 3301-3313.
DOI: 10.1080/00927870600778563.
- C.A. Carvalho, N. Ruskuc,
On finite presentability of Bruck-Reilly extensions of a monoid
endomorphism and its powers,
Algebra Colloq. 14 (2007), 389-402.
- C.A. Carvalho, N. Ruskuc,
A finitely presented monoid with a non-finitely generated group of units,
Arch. Math. 89 (2007), 109-113.
DOI: 10.1007/s00013-007-2138-y.
- C.A. Carvalho, N. Ruskuc, Finite presentability of Bruck-Reilly extensions of
Clifford monoids, J. Algebra Appl. 6 (2007), 801-814.
DOI: 10.1142/S0219498807002508.
- P. Gallagher, N. Ruskuc,
On finite generation and presentability of Schutzenberger products,
J. Austral. Math. Soc. 83 (2007), 357-367.
DOI: 10.1017/S1446788700037976.
- R. Brignall, N. Ruskuc, V. Vatter,
Simple permutations: decidability and unavoidable structures,
Theoret. Comput. Sci. 391 (2008), 150-163.
DOI: 10.1016/j.tcs.2007.10.037.
arXiv:1003.3176.
- A.J. Cain, G. Oliver, N. Ruskuc, R.M. Thomas,
Automatic presentations for cancellative semigroups,
in Language and Automata Theory and Applications, Lecture Notes in Computer Science 5196, Springer, Berlin, 2008.
- A.J. Cain, E.F. Robertson, N. Ruskuc,
Cancellative and Malcev presentations for
finite Rees index subsemigroups and extensions,
J. Australian Math. Soc. 84 (2008), 39-61.
DOI: 10.1017/S1446788708000086.
Preprint.
- L. Descalco, N. Ruskuc,
Properties of the subsemigroups of the bicyclic monoid, Czech. Math. J.
58(133) (2008), 311-330.
DOI: 10.1007/s10587-008-0018-7.
Preprint.
- R. Gray, N. Ruskuc,
Green index and finiteness conditions for semigroups,
J. Algebra 320 (2008), 3145-3164.
DOI: 10.1016/j.jalgebra.2008.07.008.
Preprint.
- S. Huczynska, N. Ruskuc,
Pattern classes of permutations via bijections between linearly ordered
sets, Europ. J. Combinat. 29 (2008), 118-139.
DOI: 10.1016/j.ejc.2006.12.005.
Preprint.
- A.J. Cain, G. Oliver, R.M. Thomas, N. Ruskuc,
Automatic presentations for semigroups, Inform. and Comput. 207 (2009), 1156-1168.
DOI: 10.1016/j.ic.2009.02.005.
Preprint.
- R. Gray, N. Ruskuc,
On residual finiteness of direct products of algebraic systems,
Monathsh. Math. 158 (2009), 63-69.
DOI: 10.1007/s00605-008-0036-4.
Preprint.
- E. Dombi, N. Ruskuc,
On generators and presentations of semidirect products in inverse semigroups,
Bull. Austral. Math. Soc. 79 (2009), 353-365.
DOI: 10.1017/S0004972708000890.
Preprint.
- V. Maltcev, J.D. Mitchell, N. Ruskuc,
The Bergman property for semigroups, J. London Math. Soc. 80 (2009), 212-232.
DOI: 10.1112/jlms/jdp025.
Preprint.
- M.H. Albert, M.D. Atkinson, R. Brignall, N. Ruskuc, R. Smith, J. West,
Growth rates for subclasses of Av(321),
Electron. J. Combin.
17(1) (2010), Research Paper 141, 16 pp. (electronic).
Offprint.
- M.H. Albert, S.A. Linton, N. Ruskuc,
On the permutational power of token passing networks,
in `Permutation Patterns (St Andrews 2007)' (S.A. Linton, N. Ruskuc, V. Vatter, eds.), LMS Lecture Notes Series 376,
CUP, Cambridge, 2010, 317-338.
DOI: 10.1017/CBO9780511902499.016.
- A.J. Cain, G. Oliver, R.M. Thomas, N. Ruskuc,
Automatic presentations and semigroup constructions, Theory Comput. Syst. 47 (2010), 568-592.
DOI: 10.1007/s00224-009-9216-4.
Preprint.
- S.A. Linton, N. Ruskuc, V. Vatter, eds.,
Permutation Patterns (St Andrews 2007), LMS Lecture Notes Series 376,
CUP, Cambridge, 2010.
DOI: 10.1017/CBO9780511902499.
- M. Quick, N. Ruskuc, Growth of generating sets for direct powers of
classical algebraic structures, J. Austral. Math. Soc. 89 (2010), 105-126.
DOI: 10.1017/S1446788710001473.
Preprint.
- M.D. Atkinson, N. Ruskuc, R. Smith,
Substitution-closed patterns classes, J. Combinat Theory A 118 (2011), 317-340.
DOI: 10.1016/j.jcta.2010.10.006.
Preprint.
- M.H. Albert, S.A. Linton, N. Ruskuc,
V. Vatter, S. Waton,
On Convex Permutations, Discrete Math. 311 (2011), 715-722.
DOI: 10.1016/j.disc.2011.01.009.
Preprint.
- R. Brignall, N. Ruskuc, V. Vatter,
Simple extensions of combinatorial structures, Mathematika
57 (2011), 193-214.
DOI: 10.1112/S0025579310001518.
arXiv:1003.3176
- C.A. Carvalho, R. Gray, N. Ruskuc,
Presentations of inverse semigroups, their kernels and extensions,
J. Austral. Math. Soc. 90 (2011), 289-316.
DOI: 10.1017/S1446788711001297.
Preprint.
- I. Dolinka, N. Ruskuc, Finite groups are big as semigroups, Arch. Math.
97 (2011), 209-217.
DOI: 10.1007/s00013-011-0297-3.
Preprint.
- R. Gray, N. Ruskuc,
Generators and relations for subsemigroups via boundaries in Cayley graphs,
J. Pure Appl. Algebra 215 (2011), 2761-2779.
DOI: 10.1016/j.jpaa.2011.03.017.
Preprint.
- A.J. Cain, R. Gray, N. Ruskuc,
Green index in semigroups: generators, presentations and
automatic structures, Semigroup Forum 85 (2012), 448-476.
DOI: 10.1007/s00233-012-9406-2.
arXiv:1003.3176.
- A.J. Cain, N. Ruskuc, R.M. Thomas, Unary FA-presentable semigroups,
Internat. J. Algebra Comput. 22 (2012), ??-??.
DOI: 10.1142/S0218196712500385.
Preprint.
- R. Gray, N. Ruskuc, Free idempotent generated semigroups
over the full transformation monoid, Proc. London Math. Soc. 104 (2012), 997-1018.
DOI: 10.1112/plms/pdr054.
arXiv:1101.1833v1.
- R. Gray, N. Ruskuc, On maximal subgroups of free idempotent
generated semigroups, Israel J. Math. 189 (2012), 147-176.
DOI: 10.1007/s11856-011-0154-x.
arXiv:1003.3176.
- J.T. Hyde, N.J. Loughlin, M. Quick, N. Ruskuc,
A.R.Wallis,
On the growth of generating sets for direct
powers of semigroups, Semigroup Forum 84 (2012), 116-130.
DOI: 10.1007/s00233-011-9352-4.
Preprint.
- N. Abu-Gazalh, N. Ruskuc, On semigroups which are unions of finitely many copies of the free monogenic semigroup,
Semigroup Forum, to appear.
DOI: 10.1007/s00233-013-9468-9.
arXiv:1205.6169.
- M.H. Albert, M.D. Atkinson, M. Bouvel, N. Ruskuc, V. Vatter,
Geometric Grid Classes of
Permutations, Trans. Amer. Math. Soc., to appear.
arXiv:1108.6319.
- I. Dolinka, N. Ruskuc,
Every group is a maximal subgroup of the free
idempotent generated semigroup over a band,
Internat. J. Algebra Comput., to appear.
arXiv:1301.1225.
- R. Gray, V. Maltcev, J.D. Mitchell, N. Ruskuc,
Ideals and finiteness conditions for subsemigroups,
GlasgowMath. J., to appear.
arXiv:1204.6602.
- M.H. Albert, N. Ruskuc, V. Vatter,
Inflations of geometric grid classes of permutations, submitted.
arXiv:1202.1833.
- A.J. Cain, N. Ruskuc, Unary FA-presentable binary relations:
transitivity and classification results, submitted.
arXiv:1303.0214.
- A.J. Cain, N. Ruskuc, Subalgebras of FA-presentable algebras, submitted.
arXiv:1206.5548.
- R. Gray, N. Ruskuc,
On residual finiteness of monoids, their Schützenberger groups
and associated actions, submitted.
arXiv:1003.3176.
- V. Maltcev, N. Ruskuc, On hopfian cofinite subsemigroups, submitted.
- M. Neunhöffer, M. Pfeiffer, N. Ruskuc,
Deciding word problems of semigroups using finite state automata, submitted.
Nik Ruskuc, April 12, 2013