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Research Interests
Below is a (nonexhaustive) list of topics in which I am interested together with some recent papers I produced in the subject.
Hypertopes and Cgroups
with M.E. Fernandes and A. Weiss, Hexagonal extensions of toroidal maps and hypermaps, Springer Contributed Volume dedicated to Karoly Bezdek and Egon Schulte on the occasion of their 60th birthdays, 21 pages. To appear.
with M.E.Fernandes and A.IvicWeiss, Highly symmetric hypertopes, Aequationes Math. 90 (2016), 10451067.
with T.Connor and S.Jambor, Cgroups of PSL(2,q) and PGL(2,q), J. Algebra 427 (2015), 455466.
with T.Connor, Cgroups of Suzuki type. J. Algebraic Combin. 42 (2015), 849860.
Abstract regular and chiral polytopes
with P.J.Cameron, M.E.Fernandes and M.Mixer, Highest rank of a polytope for A_{n}, Proc. London Math. Soc., to appear, 46 pages.
with M. W. Liebeck, Chiral polyhedra and finite simple groups, Bull. London Math. Soc., to appear, 14 pages.
with J. Moerenhout and E. O'ReillyRegueiro, Projective linear groups as automorphism groups of chiral polytopes, J. Geom., to appear, 25 pages.
with P.J.Cameron, M.E.Fernandes and M.Mixer, String Cgroups as transitive subgroups of Sym(n), J. Algebra 447 (2016), 468478.
with P.A.Brooksbank, Polytopes of large rank for PSL(4,q), J. Algebra 452 (2016), 390400.
with J. Moerenhout, Chiral polyhedra arising from almost simple groups with socle PSL(2,q), J. Algebraic Combin. 44, 293323.
with T.Connor and J.De Saedeleer, Almost simple groups with socle PSL(2,q) acting on abstract regular polytopes, J. Algebra 423 (2015), 550558.
with T.Connor and M.Mixer, Abstract regular polytopes for the O'Nan group. International Journal of Algebra and Computation 24 (2014), nr. 1, 5968.
with I.Hubard, Chiral polytopes and Suzuki simple groups, In Eds. R. Connelly, W. Whitely, A. Weiss, Rigidity and Symmetry, Fields Institute Communications 70 (2014), 155175.
with M.E.Fernandes and M.Mixer,
Corrigendum to "Polytopes of high rank for the symmetric groups",
Adv. Math. 238 (2013), 506508.
with A.Kiefer, On pairs of commuting involutions in Sym(n) and Alt(n), Comm. Algebra 41 (2013), nr. 12, 44084418.
with M.E.Fernandes and M.Mixer, Polytopes of high rank for the alternating groups.
J. Combin. Theory Ser. A 119 (2012), 4256.
with M. I. Hartley and I. Hubard, Regular 4polytopes from the Livingstone graph of Janko's first group. J. Algebraic Combin. 35 (2012), 193214.
with M.E.Fernandes and M.Mixer, All alternating groups A_{n} with n ≥ 12 have polytopes of rank _{⌊} (n1)/2 _{⌋}. SIAM Journal on Discrete Math. 26 (2012), nr. 2, 482498.
with M. I. Hartley and I. Hubard,
Two atlases of abstract chiral polytopes for small groups. Ars Math. Contemp.5 (2012), 371382.
with M.Mixer, Algorithms for classifying regular polytopes with a fixed automorphism group, Contr. Discrete Math. 7 (2012), 105118.
with M.E. Fernandez, Polytopes of high rank for the symmetric groups. Adv. Math. 228 (2011), 32073222.
Computational Algebra and Computational Incidence Geometry
with T.Connor, Algorithmic enumeration of regular maps. Ars Math. Contemp. 10 (2016), 211222.
with T.Connor, An Atlas of subgroup lattices of finite almost simple groups. Ars Math. Contemp.8 (2015), 259266.
with T.Connor, A new algorithm to find apartments in coset geometries.
Groups, Complexity, Cryptology 5 (2013), nr. 1, 7589.
Locally sarctransitive graphs
with W. Fan, C.H.Li and J.Pan, Locally 2arctransitive complete bipartite graphs.
J. Combin. Theory Ser. A 120 (2013), 683699.
Incidence Geometry
with F.Buekenhout and J.De Saedeleer, Twotransitive pairs in PSL(2,q). Bull. Belg. Math. Soc.  Simon Stevin 23 (2016), 3355.
with J.De Saedeleer, M.Mixer and T.Pisanski, Corefree, rank two coset geometries from edgetransitive bipartite graphs, Math. Slovaca 64 (2014), 116.
with F.Buekenhout and J.De Saedeleer, The rank two geometries of the PSL(2,q) groups : part II. Ars Math. Contemp. 6 (2013), 365388.
Coding Theory
with B.G.Rodrigues,
Linear codes with complementary duals from some strongly regular subgraphs of the McLaughlin graph, Math. Comm. 21 (2016), 239249.
with B.G.Rodrigues, Binary codes of some strongly regular graphs of the McLaughlin graph. Designs, Codes, Crypto. 67 (2013), nr. 1, 93109.

