What's On at UWA

Time and Place: 15:00 Wednesday 4 November in Blakers Speaker: James Parkinson (University of Sydney)

Title: On automorphisms and opposition in spherical buildings.

Abstract: The opposition relation is fundamental in Tits' theory of spherical and twin buildings. When studying (...)

Time and place: 15:00 Friday 6 November in MLR1.

Speaker: Yian Xu (University of Western Australia)

Title: Generalized Thrackle and Graph Surface Embeddings

Abstract: A thrackle on a surface X is a graph of size e and order n drawn on X such that every two distinct (...)

Time and place: 15:00 Friday 13 November in MLR1.

Speaker: David Raithel (University of Western Australia)

Title: Innately transitive groups

Abstract: An innately transitive permutation group is a permutation group with a transitive minimal normal subgroup. Innately (...)

Time and place: 15:00 Monday 16 November in Monadelphous DS

Speaker: Reza Naserasr (Université Paris-Sud)

Title: Bounding K_4-minor-free graphs in the homomorphism order

Abstract: Given a graph B of odd-girth 2k+1 we are interested in the following question: Does (...)

Mathematics & Statistics Colloquium

Time and date: 4pm, Thursday 19th November

Venue: Blakers Lecture Theatre

Speaker: Professor Andrew Bassom (The University of Western Australia)

Title: Grrrrr...... linear stability should be simple -- the saga of (...)

Time and place: 15:00 Friday 20 November in MLR1.

Speaker: Stephen Glasby (University of Western Australia)

Title: How big is the Sylow p-subgroup of an irreducible solvable subgroup of GL(d,p^f)?

Abstract: Let G be a subgroup of GL(d,q) with q = p^f, where p is a (...)

Time and place: 15:00 Friday 27 November in MLR1.

Speaker: Michael Giudici (University of Western Australia)

Title: Classical groups, derangements and primes

Abstract: An elementary result of Jordan shows that every finite transitive group of degree at least two (...)

Time and place: 11:00 Friday 4 December in Weatherburn LT.

Speaker: Luke Morgan (University of Western Australia)

Title: Semiprimitive Groups: Are they wild or just misunderstood?

Abstract: The class of semiprimitive groups contains the classes of primitive (...)

Time and place: 16:00 Friday 29 January in Blakers LT

Speaker: Marcel Fernandez (Universitat Politecnica de Catalunya)

Title: Codes with traceability properties

Abstract: The talk will present codes with traceability properties. These codes are used in digital (...)

Time and place: 16:00 Friday 29 January in Weatherburn LT

Speaker: Sara Zemljic (University of Iceland)

Title: Wiener dimension and Sierpinski graphs

Abstract: Wiener dimension is a relatively new graph invariant closely connected to the Wiener index of graphs. It (...)

Time and place: 11:00 Tuesday 9 February in Weatherburn LT

Speaker: Dillon Mayhew (Victoria University of Wellington)

Title: Finite vs. infinite fields in matroid representation

Abstract: We can think of a matroid as an abstraction of a discrete configuration of (...)

Time and place: 11:00 Tuesday 23 February in Blakers LT

Speaker: Alexander Bors (University of Salzburg)

Title: Finite groups with an automorphism inverting, squaring or cubing a non-negligible fraction of elements

Abstract: There are various results in the (...)

Time and place: 16:00 Friday 4 March in Weatherburn LT

Speaker: Joy Morris (University of Lethbridge)

Title: Automorphisms of circulant graphs

Abstract: Determining the full automorphism group of a graph is a hard problem with a long history. I will discuss some of (...)

Time and place: 16:00 Friday 11 March in Weatherburn LT

Speaker: Binzhou Xia (Peking University)

Title: 2-arc-transitive Cayley graphs of soluble groups

Abstract: Classifying certain classes of 2-arc-transitive graphs has received considerable attention. There have (...)

Time and place: 16:00 Friday 18 March in Weatherburn LT

Speaker: Gabriel Verret (UWA)

Title: Asymptotic enumeration of vertex-transitive and Cayley graphs

Abstract: I am interested in determining the number f(n) of graphs of order n from various "symmetric" (...)

Time and place: 11:00 Friday 1 April in MLR1

Speaker: Steven Noble (Brunel University London)

Title: Counting labelled delta-matroids

Abstract: Delta-matroids were introduced and studied by Bouchet in the 1980s, but have largely been ignored until the last few years (...)

Title: Mathematics and Statistics of Scuba Diving

Abstract: Scuba divers are trained to follow procedures that keep them safe while diving and afterward. Surprisingly, these safety measures are based on just a handful of simple mathematical and statistical principles, which will be (...)

Time and place: 16:00 Friday 8 April in Weatherburn LT

Speaker: Kyle Rosa (UWA)

Title: Invariable generation of permutation groups

Abstract: An invariable generating set for a group is a collection of conjugacy classes from which any choice of representatives form a (...)

Time and place: 16:00 Friday 15 April in Weatherburn LT

Speaker: Ty Ghaswala (University of Waterloo)

Title: The superelliptic covers and the lifting mapping class group

Abstract: Given a finite sheeted (possibly branched) covering space over a surface, one can ask (...)

Time and place: 16:00 Friday 22 April in Blakers LT

Speaker: Cai-Heng Li (UWA)

Title: Relative elementary groups and their applications

Abstract: Motivated by some problems about Cayley graphs and permutation groups, we introduce and study a class of finite (...)