What's On at UWA

Martin Liebeck (Imperial College)

will speak on

Magic words

at 3pm Friday 17 October in Weatherburn Lecture Theatre.

Abstract:

A word map on a group G is a map sending (g_1,...,g_k) to w(g_1,...,g_k), where w is a fixed word in k variables (...)

Guang Rao (UWA)

will speak on

Self-complementary vertex-transitive graphs

at 3pm Friday 24 October in Weatherburn Lecture Theatre.

Abstract:

A graph is self-complementary if the graph and its complement are isomorphic. In this talk I will (...)

Michael Giudici (UWA)

will speak on

Commuting graphs

at 3pm Friday 7 November in Mathematics Lecture Room 1.

Abstract:

Given a group G, the commuting graph of G is the graph with vertices the noncentral elements of G, and two vertices are (...)

Eric Swartz (UWA)

will speak on

Antiflag-transitive generalized quadrangles

at 3pm Friday 14 November in Mathematics Lecture Room 1.

Abstract:

A generalized quadrangle is a point-line incidence geometry Q such that (1) any two points lie on at (...)

Alice Devillers (UWA)

will speak on

Tits' buildings as combinatorial objects

at 3pm Friday 28 November in Mathematics Lecture Room 1.

Abstract:

Buildings were invented in the 1960s by the Belgian-French mathematician Jacques Tits. They are a (...)

Alice Niemeyer (UWA)

will speak on

Symmetric p-groups

at 11am in Weatherburn LT

(The time will be finalised on Wed evening. There may be the need for a change of time to 1:30pm.)

Abstract: In 1978 R.M. Bryant and L.G. Kov acs showed that for (...)

Time and place: 3pm Friday 16 January in Weatherburn LT.

Speaker: Irene Pivotto (UWA)

Title: Growth rates of binary matroids.

Abstract: The growth rate of a class of matroids is a function of the rank which expresses how large a matroid in the class can be. For (...)

Time and place: 3pm Friday 23 January in Blakers LT.

Speaker: Colva Roney-Dougal (University of St Andrews)

Title: Generation of finite groups.

Abstract: There is a beautiful result, due to Liebeck, Shalev, and others, that the probability that two random elements (...)

Colloquium time date and location: 4pm, Thursday 29th January, Blakers Lecture Theatre

Speaker: Colva Roney-Dougal, University of St. Andrews.

Title: Groups, diagrams and geometries.

Abstract: The study of finitely-presented groups has been ongoing since the work of (...)

Time and place: 3pm Friday 23 January in MLR1.

Speaker: Seyed Hassan Alavi (Buali Sina University)

Title: Recent studies on symmetric designs.

Abstract: A symmetric design (v,k,l) is an incidence structure consisting of a set of v points and a set of v blocks with (...)

Time and place: 3pm Friday 6 February in Weatherburn LT.

Speaker: Gordon Royle (UWA)

Title: Homomorphisms and Endomorphisms of Graphs.

Abstract: A homomorphism from a graph X to a graph Y is a function f from V(X) to V(Y) that preserves edges (but not necessarily (...)

Colloquium time date and location: 4pm, Thursday 19th February, Blakers Lecture Theatre.

Speaker: Prof. Nozer Singpurwallah, City University of Hong Kong.

Title: The Bayesian Paradigm for Statistical Inference and Decision Making.

Abstract: In this expository talk (...)

Time and place: 3pm Friday 27 February in Weatherburn LT.

Speaker: Cai-Heng Li (UWA)

Title: The regular one-face dessins and surface coverings.

Abstract: I will present a classification of edge-transitive dessins (orientable bipartite maps) with a single face, and (...)

Time and place: 3pm Friday 6 March in Weatherburn LT.

Speaker: John Bamberg (UWA)

Title: Multimarkdown and typesetting mathematics.

Abstract: Markdown has been around for around a decade or so, and is a simpler alternative to xml for producing simple easy-to-read (...)

Time and place: 3pm Friday 13 March in Weatherburn LT.

Speaker: Luke Morgan (UWA)

Title: A non-classification theorem for 2-arc-transitive graphs.

Abstract: It would be great to have a classification of 2-arc-transitive graphs! Sadly, this is probably out of reach (...)

Mathematics & Statistics Colloquium

Time and date: 4pm, Thursday 19th March

Venue: Blakers Lecture Theatre

Speaker: Prof. Michael Small, The University of Western Australia.

Title: Complex Systems: From nonlinear dynamics to graphs, via time series.

Time and place: 3pm Friday 20 March in Blakers LT.

Speaker: Frederico A. M. Ribeiro (Federal University of Minas Gerais)

Title: UCS groups and associated algebras.

Abstract: Groups having many characteristic subgroups tend to have simpler automorphism subgroups, so (...)

Time and place: 15:00 Friday 27 March in Weatherburn LT.

Speaker: Gabriel Verret (University of Western Australia)

Title: Vertex-primitive digraphs having vertices with almost equal neighbourhoods.

Abstract: Apart from some very trivial examples, a vertex-primitive (...)

Time and place: 14:00 Thursday 2 April in Blakers LT.

Speaker: Padraig O Cathain (Monash University)

Title: Combinatorial designs and compressed sensing.

Abstract: Traditionally signal sampling and signal processing have been regarded as two separate tasks. Shannon's (...)

Time and place: 15:00 Friday 10 April in Weatherburn LT.

Speaker: Jason Semeraro (University of Bristol)

Title: Conway Groupoids.

Abstract: To a supersimple 2-(n,4,lambda) design (a simple design where lines intersect in at most two points), one may associate a " (...)