Skip to content Search or jump to… Pull requests Issues Codespaces Marketplace Explore @jjoc45 jjoc45 / jjoc45.github.io Public generated from github/welcome-to-github Fork your own copy of jjoc45/jjoc45.github.io Code Issues Pull requests Actions Projects Wiki Security Insights Settings jjoc45.github.io/efr/publications/index.html @jjoc45 jjoc45 Create index.html Latest commit ce0d26f 4 hours ago History 1 contributor 448 lines (429 sloc) 14.7 KB EFR publications

Edmund Robertson's recent papers

Back to Edmund Robertson's home page .

There is a list of abstracts of some of these papers here

1993

(with Y. Unlu) On semigroup presentations, Proc. Edinburgh Math. Soc. 36 (1993), 55-68.
(with C. M. Campbell & R. M. Thomas) On a class of semigroups with symmetricpresentations, Semigroup Forum 46 (1993), 286-306.
(with D. B. Nikolova) One more infinite Fibonacci group, C. R. Acad. Bulgare Sci. 46 (3) (1993), 13-15.
(with B. Vatansever) A new efficient presentation for PSL(2,13) and the structure of the groups G(7,m), Doda-Tr. J. of Mathematics 17 (1993), 148-154.

1994
(with G. Havas) Application of computational tools for finitely presented groups, DIMACS 15 (1994), 29-39.
(with C. M. Campbell, N. Ruskuc & R. M. Thomas) Fibonacci semigroups, J. Pure Appl. Algebra 94 (1994), 49-57.
(with C. M. Campbell & M. D. E. Conder) Defining-relations for Hurwitz groups, Glasgow Math. J. 35 (1994), 363-371.

1995
(with C. M. Campbell, N. Ruskuc & R. M. Thomas) Reidemeister- Schreier type rewriting for semigroups, Semigroup Forum 51 (1995), 47-62.
(with C. M. Campbell, N. Ruskuc & R. M. Thomas) Semigroup and group presentations, Bull. London Math. Soc. 27 (1995), 46-50.
(with C. M. Campbell, N. Ruskuc & R. M. Thomas) On semigroups defined by Coxeter type presentations, Proc. Roy. Soc. Edinburgh 125A (1995), 1063-1075.
(with C. M. Campbell, N. Ruskuc & R. M. Thomas) Rewriting a semigroup presentation, Internat. J. Algebra Comput. 5 (1995), 81-103.
(with C. M. Campbell, N. Ruskuc, R. M. Thomas & Y. Unlu) Certain one relator products of semigroups, Comm. Algebra 23 (1995), 5207-5219.
(with M. J. Brookes & C. M. Campbell) Efficiency and direct products of groups, Groups-Korea '94 , Walter de Gruyter, (Berlin - NewYork, 1995), 25-33.
(with R. M. Thomas & C. I. Wotherspoon) A class of inefficient groups with symmetric presentation, Groups-Korea '94 , Walter de Gruyter, (Berlin - NewYork, 1995), 277-284.
(with C. M. Campbell, N. Ruskuc & R. M. Thomas) Semigroup presentations and minimal ideals, Combinatorial and Geometric Group Theory , Cambridge University Press (1995), 29-42.

1996
(with C. M. Campbell, N. Ruskuc & R. M. Thomas) On subsemigroups of finitely presented semigroups, J. Algebra 180 (1996), 1-21.
(with C. M. Campbell, N. Ruskuc & R. M. Thomas) On subsemigroups and ideals in free products of semigroups, Internat. J. Algebra Comput. 6 (1996), 571-591.
(with G. Havas) Central factors of deficiency zero groups, Comm. Algebra 24 (1996), 3483-3487.

1997
(with C. M. Campbell, I. Miyamoto, & P. D. Williams) Efficient presentations for PSL(2,p)^3 and other direct products of groups, Glasgow Math. J. 39 (1997), 259-268.
(with C. M. Campbell & P. D. Williams) Efficient presentations for direct powers of imperfect groups, Algebra Colloq. 4 (1997), 21-27.

1998
(with C. M. Campbell, N. Ruskuc & R. M. Thomas) Presentations for subsemigroups - applications to ideals of semigroups, J. Pure Appl. Algebra 124 (1998), 47-64.
(with C. M. Campbell, G. Havas & S. A. Linton) Symmetric presentations and orthogonal groups, Proc. ATLAS 10 years on , Cambridge University Press, (1998), 1-10.
(with N. Ruskuc & J. Wiegold) Generators and relations of direct products of semigroups, Trans. Amer. Math. Soc. 350 (1998), 2665-2685.
(with S. A. Linton, G. Pfeiffer & N. Ruskuc) Groups and actions in transformation semigroups, Mathematische Zeitschrift 228 (1998), 435-450.
(with T. S. Blyth) Basic linear algebra , Springer-Verlag, Heidelberg (1998).

1999
(joint editor with C. M. Campbell, N. Ruskuc & G. C. Smith) Groups St Andrews 1997 in Bath Volume 1 , Cambridge University Press, Cambridge (1999).
(joint editor with C. M. Campbell, N. Ruskuc & G. C. Smith) Groups St Andrews 1997 in Bath Volume 2 , Cambridge University Press, Cambridge (1999).
(with P. Z. Hermann & N. Ruskuc) On products of all elements of a finite semigroup, Proc. Edinburgh Math. Soc. 42 (1999), 551-557.
(with A. J. Duncan & N. Ruskuc) Automatic monoids and change of generators, Proc. Cambridge Philos. Soc. 127 (1999), 403-409.
(with C. M. Campbell, N. Ruskuc & R. M. Thomas) Groups, semigroups and finite presentations, Geometric Group Theory Down Under , Walter de Gruyter (1999), 55-69.

2000
(with M. Atkinson, N. Gilbert, J. Howie & S. Linton) Computational and geometric aspects of modern algebra , Cambridge University Press, Cambridge (2000).
(with C. M. Campbell, N. Ruskuc & R. M. Thomas) Direct products of automatic semigroups, J. Austral. Math. Soc. 69 (2000), 19-24.

2001
(with C. M. Campbell, N. Ruskuc & R. M. Thomas) Automatic semigroups, Theoret. Comput. Sci. 250 (2001), 365-391.
(with T. S. Blyth) Further linear algebra , Springer-Verlag, Heidelberg (2001).
(with N. Ruskuc & M. R. Thomson) On diagonal acts of monoids, Bull. Austral. Math. Soc. 63 (2001), 167-175.

2002
(with C. M. Campbell, N. Ruskuc & R. M. Thomas) Automatic completely-simple semigroups, Acta Math. Hungar. 95 (2002), 201-215.
(with S. A. Linton, G. Pfeiffer & N. Ruskuc) Computing transformation semigroups, J. Symbolic. Comp. 33 (2002), 145-162.
(with C. M. Campbell, G. Havas & A. Hulpke) The simple group L_3(5) is efficient, Comm. Alg. , 30 (2002), 971-975.
(with N. Ruskuc & M. R. Thomson) On finite generation and other finiteness conditions for wreath products of semigroups Comm. Algebra 30 (2002), 3851--3873.
(with J. J. O'Connor) William Rowan Hamilton 1805-1865, Physicists of Ireland : Passion and Precision , Institute of Physics (2002), 61-68.
(with J. J. O'Connor) George Francis FitzGerald 1851-1901, Physicists of Ireland : Passion and Precision , Institute of Physics (2002), 135-142.

2003
(with N. Ruskuc & M. R. Thomson) Finite generation and presentability of wreath products of monoids, J. Algebra 266 (2) (2003), 382-392.
(with G. Havas) Irreducible cyclic presentations of the trivial group, Experimental mathematics , 12 (2003), 487-490.
(with C. M. Campbell, P. P. Campbell & B. T. K. Hopson) On the efficiency of direct powers of PGL(2, p), Res. Exp. Math. 27 (2003), 27-34.
(with J. J. O'Connor), The life of Johann Benedict Listing, Strabismus 11 (4) (2003), 247-250.
(joint editor with C. M. Campbell & G. C. Smith) Groups St Andrews 2001 in Oxford Volume 1 , Cambridge University Press, Cambridge (2003).
(joint editor with C. M. Campbell & G. C. Smith) Groups St Andrews 2001 in Oxford Volume 2 , Cambridge University Press, Cambridge (2003).
Pappus of Alexandria and the Mathematics of Late Antiquity, J. Roman Studies 93 (2003), 118-119.
(with J. J. O'Connor), Lars Valerian Ahlfors, in Michael Atiyah and Daniel Iagolnitzer (eds.), Fields Medallists' lectures (World Scientific Publishing Co., Inc., River Edge, NJ, 2003), 3-4.

2004
(with J. J. O'Connor) Isaac Barrow, Biographical Dictionary of British Economists (2004).
(with J. J. O'Connor) William Ernest Johnson, Biographical Dictionary of British Economists (2004).
(with J. J. O'Connor) Obituary David Allan Spence January 3, 1926- September 7, 2003, Austral. Math. Soc. Gaz. 31 (1) (2004), 58-59.
(with C. M. Campbell, P.P. Campbell & H. Doostie), Fibonacci lengths for certain metacyclic groups, Algebra Colloquium (2) 11 (2004), 215-222.
(with C. M. Campbell, P.P. Campbell & H. Doostie), On the Fibonnaci length of powers of dihedral groups, Applications of Fibonacci numbers 9 (2004), 69-85.
(with C. M. Campbell, G. Havas & C. Ramsay) Nice efficient presentations for all small simple groups and their covers, LMS J. Comput. Math. 7 (2004), 266-283.
(with Peter Brooksbank, Hongxun Qin & Akos Seress) On Dowling geometries of infinite groups, J. Combinatorial Theory (Ser. A) (1) 108 (2004), 155-158.

2005
(with George Havas) The F^{a,b,c} Conjecture, I, Irish Math. Soc. Bulletin 56 (2005), 75-80.
(with J. J. O'Connor) Ten years of the History of Mathematics on the Web, Proceedings of the 3rd Conference on the History of Mathematics, OCTOGON Mathematical Magazine (Fulgur Publisher, Miskolc-Brasso-Kronstadt-Brasov, 2005), 102-107.
(with J. J. O'Connor) Knots and Physics in 19th Century Scotland, Proceedings of the 3rd Conference on the History of Mathematics, OCTOGON Mathematical Magazine (Fulgur Publisher, Miskolc-Brasso-Kronstadt-Brasov, 2005), 108-115.

To appear
(with A. J. Cain & N. Ruskuc) Subsemigroups of virtually free groups: Finite Malcev presentations and testing for freeness (submitted).
(with A. J. Cain & N. Ruskuc) Malcev presentations and automatic semigroups (submitted).
There is a list of abstracts of some of these papers here

Back to Edmund Robertson's home page.
Footer © 2023 GitHub, Inc. Footer navigation Terms Privacy Security Status Docs Contact GitHub Pricing API Training Blog About jjoc45.github.io/index.html at master · jjoc45/jjoc45.github.io

Edmund Robertson's recent papers

1993

1994

1995

1996

1997

1998

1999

2000

2001

2002

2003

2004

2005

To appear