## News

Congratulations to Cheryl Praeger, who was inducted into the Western Australian Science Hall of Fame.

Congratulations to John Bamberg, who was promoted to Associate Professor.

Congratulations to John Bamberg, who was awarded a UWA Vice-Chancellor's Mid-Career Research Award.

An Honorary Doctorate of Science from Yazd University, Iran, was conferred on Cheryl Praeger during the 46th Annual Iranian Mathematical Society Conference, 24-28 August 2015. Here is a link to the ceremony.

Melissa Lee participated in the 3rd Heidelberg Laureate Forum, Heidelberg, Germany, 23-28 August 2015.

John Bamberg and Michael Giudici are now Managing Editors of the Electronic Journal of Combinatorics.

Eric Swartz and Simon Smith have both finished their appointments at UWA.

Stephen Glasby spoke at the Graduiertenkolleg Experimentelle und konstruktive Algebra, RWTH Aachen University, Germany, 2 July 2015.

Irene Pivotto made research visits to Fuzou University, China (17-30 May 2015), Simon Fraser University, Canada (5-21 June 2015), and the University of Waterloo (21-28 June 2015), giving talks at Fuzou and Waterloo.

Cheryl Praeger will give research seminars at Bu-Ali Sina University, Hamedan, Iran (August 12); University of Bristol (October 21); University of Lancaster (October 28); University of St Andrews (November 26).

Melissa Lee will visit Nicola Durante at the University of Naples, Italy, 1-11 September 2015.

Tomasz Popiel will visit Alice Niemeyer at RWTH Aachen University, Germany, 4-18 September 2015.

Daniel Hawtin will attend a Summer School on Finite Groups and Related Geometrical Structures, Venice, Italy, 7-8 September 2015.

Daniel Hawtin will visit Neil Gillespie at Bristol University (until 12 October 2015) and Cheryl Praeger at the University of Oxford (until 17 November 2015).

Joy Morris (University of Lethbridge) is the 2016 Cheryl E. Praeger Visiting Fellow.

##### Visitors

Qing Xiang (University of Delaware), 17-29 July 2015.

James Parkinson (University of Sydney), 15-18 September 2015.

##### SymOmega

SymOmega is a mathematical blog run by CMSC members John Bamberg, Michael Giudici and Gordon Royle.

##### Conferences

5th Biennial Canadian Discrete and Algorithmic Mathematics Conference (CanaDAM), University of Saskatchewan, Canada, 1-4 June 2015. Irene Pivotto gave a talk.

8th Slovenian Conference on Graph Theory, Kranjska Gora, Slovenia, 21-27 June 2015. Michael Giudici was a plenary speaker. Luke Morgan, Tomasz Popiel and Gabriel Verret gave talks.

Workshop on Structural Matroid Theory, La Vacquerie, France, 5-10 July 2015. Irene Pivotto and Gordon Royle gave talks.

25th British Combinatorial Conference, University of Warwick, UK, 6-10 July 2015. Joanna Fawcett, Melissa Lee and Tomasz Popiel gave talks.

London Mathematical Society Regional Meeting, University of Warwick, UK, 7 July 2015. Michael Giudici, Stephen Glasby, Luke Morgan and Cheryl Praeger attended.

Conference on finite simple groups and related topics, University of Warwick, UK, 8-10 July 2015. Michael Giudici, Stephen Glasby, Luke Morgan, and Cheryl Praeger attended.

Workshop on New Directions for the Tutte Polynomial: Extensions, Interrelations, and Applications, Royal Holloway University, UK, 11-14 July 2015. Irene Pivotto and Gordon Royle gave talks.

Simple groups, representations, and related topics: A conference in honour of Martin Liebeck and Jan Saxl, University of Cambridge, UK, 13-15 July 2015. Cheryl Praeger and Joanna Fawcett gave talks. Michael Giudici, Stephen Glasby, Melissa Lee, Luke Morgan and Tomasz Popiel attended.

London Mathematical Society - EPSRC Durham Symposium on Permutation Groups and Transformation Semigroups, Durham University, UK, 20-30 July 2015. Michael Giudici and Gordon Royle gave talks. Cheryl Praeger attended.

Banff International Research Station (BIRS) Prairie Discrete Math Workshop (15w2206), Banff, Canada, 7-9 August 2015. Gabriel Verret was a plenary speaker.

46th Annual Iranian Mathematical Society Conference, Yazd, Iran, 24-28 August 2015. Cheryl Praeger gave a plenary lecture.

Joint London Mathematical Society - European Mathematical Society Mathematical Weekend, Birmingham, UK, 18-20 September 2015. Cheryl Praeger is an invited speaker. Luke Morgan will give a talk.

Finite Simple Groups: Thirty Years of the Atlas and Beyond: a conference to celebrate 30 years of the Atlas of Finite Groups, 20 years of the Atlas of Brauer Characters, and to honor John Conway. Princeton, USA, 2-5 November 2015. Cheryl Praeger is an invited speaker.

39th Australasian Conference on Combinatorial Mathematics and Combinatorial Computing (ACCMCC), The University of Queensland, 7-11 December 2015. Gordon Royle is an invited speaker, and John Bamberg is attending.

Ada Lovelace Symposium, Oxford, UK, 9-10 December 2015. Cheryl Praeger will be a member of a panel discussing reactions to Ada Lovelace as an icon for women in science.

##### Papers

### Published papers

J. Bamberg and T. Penttila, Completing Segre's proof of Wedderburn's little theorem, Bulletin of the London Mathematical Society 47 (2015) 483-492.

B. P. Corr, T. Popiel and C. E. Praeger, Nilpotent-independent sets and estimation in matrix algebras London Mathematical Society Journal of Computation and Mathematics 18(2015) 404-418.

A. Devillers, W. Jin, C.-H. Li and C. E. Praeger, Finite 2-geodesic transitive graphs of prime valency, Journal of Graph Theory 80 (2015) 18-27.

Y.-Q. Feng, C.-H. Li and J.-X. Zhou, Symmetric cubic graphs with solvable automorphism groups, European Journal of Combinatorics 45 (2015) 1-11.

B. Guenin, I. Pivotto and P. Wollan, Displaying blocking pairs in signed graphs, European Journal of Combinatorics 51 (2016) 135-164.

S.-T. Guo, Y.-Q. Feng and C.-H. Li, Edge-primitive tetravalent graphs, Journal of Combinatorial Theory, Series B 112 (2015) 124-137.

C.-H. Li, Z.-P. Lu and G.-X. Wang, On edge-transitive graphs of square-free order, Electronic Journal of Combinatorics 22 (2015) #P3.25.

S. Linton, A. C. Niemeyer and C. E. Praeger, Identifying long cycles in finite alternating and symmetric groups acting on subsets, Journal of Algebra, Combinatorics, Discrete Structures and Applications 2 (2015) 117-149.

### Accepted papers

J. Bamberg, M. Lee and E. Swartz, A note on relative hemisystems of Hermitian generalised quadrangles, to appear in Designs, Codes and Cryptography.

J. Chen, C.-H. Li and W.-J. Liu, On isomorphisms of vertex-transitive graphs, to appear in Journal of the Australian Mathematical Society.

B. P. Corr and C. E. Praeger, Normal edge-transitive cayley graphs of Frobenius groups, to appear in Journal of Algebraic Combinatorics.

S. P. Glasby, F. Lubeck, A. C. Niemeyer and C. E. Praeger, Primitive prime divisors and the n-th cyclotomic polynomial, to appear in Journal of the Australian Mathematical Society.

M. Iradmusa and C. E. Praeger, Two-sided group digraphs, to appear in Journal of Graph Theory.

L. Morgan and C. M. Roney-Dougal, A Note On The Probability Of Generating Alternating Or Symmetric Groups, to appear in Archiv der Mathematik.

J. Morris, P. Spiga and G. Verret, Semiregular automorphisms of cubic vertex-transitive graphs, to appear in Electronic Journal of Combinatorics.

G. F. Royle and A. D. Sokal, Linear bound in terms of maxmaxflow for the chromatic roots of series-parallel graphs, to appear in SIAM Journal on Discrete Mathematics.

P. Spiga and G. Verret, On the order of vertex-stabilisers in vertex-transitive graphs with local group Cp x Cp or Cp wr C2, to appear in Journal of Algebra.

### Submitted papers

J. Bamberg, J. De Beule and F. Ihringer, New non-existence proofs for ovoids of Hermitian polar spaces and hyperbolic quadrics.

J. Bamberg, C.-H. Li and E. Swartz, A classification of finite antiflag-transitive generalized quadrangles.

J. Bamberg, T. Popiel and C. E. Praeger, Point-primitive, line-transitive generalised quadrangles of holomorph type.

J. B. Fawcett, Locally triangular graphs and normal quotients of the n-cube.

J. B. Fawcett, E. A. O'Brien and J. Saxl, Regular orbits of symmetric and alternating groups.

M. Giudici and B. Kuzma, Realizability problem for commuting graphs.

C.-H. Li, C. E. Praeger and C. Schneider, Inclusions of innately transitive groups into wreath products in product action with applications to 2-arc-transitive graphs.

L. Morgan and T. Popiel, Generalised polygons admitting a point-primitive almost simple group of Suzuki or Ree type.

P. Potocnik, P. Spiga and G. Verret, Groups of order at most 6 000 generated by two elements, one of which is an involution, and related structures.