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Displaying from Monday, March 25, 2019
 April 2019
Friday 12
16:00 - SEMINAR - Groups and Combinatorics Seminar: Michael Giudici, 4pm Apr 12 in Weatherburn LT More Information
Speaker: Michael Giudici (University of Western Australia)

Title: Arc-transitive bicirculants

Time and place: 4pm Friday 12 Apr 2019, Weatherburn LT

Abstract: A graph on 2n vertices is a bicirculant if it admits an automorphism that is a permutation with two cycles (...)
Wednesday 17
16:00 - SEMINAR - Groups and Combinatorics Seminar: Martin Liebeck, 4pm Apr 17 in Woolnough LT More Information
Speaker: Martin Liebeck (Imperial College London)

Title: Girth, words and diameters of Cayley graphs

Time and place: 4pm Wednesday 17 Apr 2019, Woolnough LT

Abstract: The girth of a graph is the minimal length of a cycle in the graph. Finding regular graphs with (...)

 May 2019
Friday 03
16:00 - EVENT - Groups and Combinatorics Seminar: Emilio Pierro, 4pm May 3 in Weatherburn LT More Information
Speaker: Emilio Pierro (University of Western Australia)

Title: The 2-transitive permutation representation of the small Ree groups

Time and place: 4pm Friday 03 May 2019, Weatherburn LT

Abstract: Given a group G, the question of which subsets S of G generate G is (...)
Friday 10
16:00 - SEMINAR - Groups and Combinatorics Seminar: Gordon Royle, 4pm May 10 in Weatherburn LT More Information
Speaker: Gordon Royle (University of Western Australia)

Title: From Lehman Matrices To (Im)Perfect Graphs

Time and place: 4pm Friday 10 May 2019, Weatherburn LT

Abstract: A pair (A,B) of square 0/1 matrices is called a Lehman pair if AB^T = J + k I where J is the (...)
Friday 17
16:00 - SEMINAR - Groups and Combinatorics Seminar: Cheryl Praeger, 4pm May 17 in Weatherburn LT More Information
Speaker: Cheryl E Praeger (University of Western Australia)

Title: Limited geodesic transitivity for finite regular graphs

Time and place: 4pm Friday 17 May 2019, Weatherburn LT

Abstract: Joint work with Wei Jin.

For vertex transitive graphs, transitivity (...)
Friday 24
16:30 - SEMINAR - Groups and Combinatorics Seminar: Alex Bors, 4pm May 24 in Weatherburn LT More Information
Speaker: Alex Bors (University of Western Australia)

Title: Words, permutations, and the nonsolvable length of a finite group

Time and place: 4pm Friday 24 May 2019, Weatherburn LT

Abstract: In group theory, the term “word” denotes any concatenation of variables and (...)

 June 2019
Thursday 20
16:00 - VISITING SPEAKER - Mathematics and Statistics Colloquium : Penalizing control volatility in nonlinear optimal control More Information
Abstract: Change is necessary in any dynamic environment, but there is always a cost incurred when implementing change; one of the most obvious is wear and tear on the physical components in a system. In the optimal control field, the cost of change is almost always ignored, and this can lead to “op (...)

 July 2019
Thursday 18
16:00 - SEMINAR - Mathematics and Statistics colloquium : Hyperspheres in hyperspace More Information
What would a beach look like in a different universe? How would sand flow in 4 or 5 dimensions? At the crossroad of mathematics, physics, and engineering, this talk will develop the numerical and technological tools required to answer those questions. Following the Discrete Element Method, widely (...)

 August 2019
Friday 02
16:00 - SEMINAR - Groups and Combinatorics Seminar: Phill Schultz, 4pm Aug 2 in Weatherburn LT More Information
Speaker: Phill Schultz (University of Western Australia)

Title: Actions of Aut(V) on linearly independent subsets of a vector space V

Time and place: 4pm Friday 02 Aug 2019, Weatherburn LT

Abstract: Let V be a finite dimensional rational vector space. The action of (...)
Thursday 22
16:00 - SEMINAR - Mathematics and Statistics colloquium : Convex surfaces of constant Gauss curvature and partially free boundaries More Information
Consider a pair of parallel planes in and a strictly convex closed curve laying on one of the planes. Is there a convex hypersurface of constant Gauss curvature such that it is trapped between the planes, the curve is on its boundary, and the surface strikes the other plane at given constant (...)
Friday 23
16:00 - SEMINAR - Groups and Combinatorics Seminar: Hassan Alavi, 4pm Aug 23 in Weatherburn LT More Information
Speaker: Hassan Alavi (Buali Sina University, Iran)

Title: On transitive automorphism groups of 2-designs

Time and place: 4pm Friday 23 Aug 2019, Weatherburn LT

Abstract: A 2-design with parameters (v,k,lambda) is an incidence structure consisting of a set of v (...)
Friday 30
16:00 - SEMINAR - Groups and Combinatorics Seminar: Carlisle King, 4pm Aug 30 in Weatherburn LT More Information
Speaker: Carlisle King (University of Western Australia)

Title: Edge-primitive 3-arc-transitive graphs

Time and place: 4pm Friday 30 Aug 2019, Weatherburn LT

Abstract: Let Gamma be a finite simple graph with G = Aut(Gamma). We say that Gamma is edge-primitive if G (...)

 September 2019
Friday 13
16:00 - SEMINAR - Groups and Combinatorics Seminar: Dominik Bernhardt, 4pm Sep 13 in Weatherburn LT More Information
Speaker: Dominik Bernhardt (RWTH Aachen)

Title: Automorphism groups of simple graphs with few vertex-orbits

Time and place: 4pm Friday 13 Sep 2019, Weatherburn LT

Abstract:In this talk we will investigate how to construct automorphism groups of graphs with few (...)
Thursday 19
16:00 - SEMINAR - Mathematics and Statistics colloquium : Mathematics and Suicide More Information
The Young Lives Matter Foundation (https://www.uwa.edu.au/institutes/young-lives-matter/home)  aims to leverage research expertise across UWA to address the leading cause of death among 15- to 24-year olds in Western Australia. The foundation will address this aim by developing improved predictors (...)
Friday 27
16:00 - SEMINAR - Groups and Combinatorics Seminar: Alex Bors 4pm Sep 27 in Weatherburn LT More Information
Speaker: Alexander Bors (University of Western Australia)

Title: Automorphism orbits and element orders in finite groups

Time and place: 4pm Friday 27 Sep 2019, Weatherburn LT

Abstract: Joint with Michael Giudici and Cheryl E. Praeger.

In contrast to (...)

 October 2019
Thursday 10
16:00 - SEMINAR - Groups and Combinatorics Seminar: 4pm Fri 11 Oct, Weatherburn LT More Information
Speaker: Dominik Bernhardt (RWTH Aachen, University of Western Australia)

Title: Introduction to the GAP method selection for the working mathematician: Methods, Operations and Filters

Time and place: 4pm Friday 11 Oct 2019, Weatherburn LT

Abstract: GAP object can (...)
Friday 18
16:00 - SEMINAR - Groups and Combinatorics Seminar: Natalia Maslova, 4pm Oct 18 in Weatherburn LT More Information
Speaker: Natalia Maslova (Ural Federal University)

Title: On Gruenberg-Kegel graphs of finite groups

Time and place: 4pm Friday 18 Oct 2019, Weatherburn LT

Abstract: Let G be a finite group. The spectrum of G is the set of all its element orders. The Gruenberg-Kegel (...)
Friday 25
16:00 - SEMINAR - Groups and Combinatorics Seminar: Natal'ya Maslova, 4pm Oct 25 in Weatherburn LT More Information
Speaker: Natalia Maslova (Russian Academy of Sciences, Krasovsky Institute of Mathematics and Mechanics and Ural Federal University)

Title: On pronormality of subgroups of odd index in finite groups

Time and place: 4pm Friday 25 Oct 2019, Weatherburn LT

Abstract: A (...)

 November 2019
Friday 01
16:00 - SEMINAR - Groups and Combinatorics Seminar: Michael Giudici, 4pm Nov 01 in Robert Street LT More Information
Speaker: Michael Giudici (University of Western Australia)

Title: Subdegrees of primitive permutation groups

Time and place: 4pm Friday 01 Nov 2019, Robert Street LT

Abstract: A subdegree of a permutation group is the length of an orbit of a point stabiliser. The (...)

 December 2019
Thursday 19
14:00 - PUBLIC LECTURE - Mathematics and Statistics Colloquium : A Tour of the Mandelbrot Set More Information
The beautiful and complicated Mandelbrot set has captivated mathematicians since the first computer images of the set were drawn in the 1970s and 1980s. In this talk we’ll take a walk around the infinite intricacies of the Mandelbrot set, exploring the spirals, finding Fibonacci, and answering the (...)


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