
Displaying from Friday, May 24, 2019

May 2019

Friday 24 
16:30  SEMINAR  Groups and Combinatorics Seminar: Alex Bors, 4pm May 24 in Weatherburn LT

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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

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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

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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

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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

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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

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Speaker: Hassan Alavi (Buali Sina University, Iran)
Title: On transitive automorphism groups of 2designs
Time and place: 4pm Friday 23 Aug 2019, Weatherburn LT
Abstract: A 2design 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

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Speaker: Carlisle King (University of Western Australia)
Title: Edgeprimitive 3arctransitive 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 edgeprimitive if G (...)


September 2019

Friday 13 
16:00  SEMINAR  Groups and Combinatorics Seminar: Dominik Bernhardt, 4pm Sep 13 in Weatherburn LT

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Speaker: Dominik Bernhardt (RWTH Aachen)
Title: Automorphism groups of simple graphs with few vertexorbits
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

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The Young Lives Matter Foundation (https://www.uwa.edu.au/institutes/younglivesmatter/home) aims to leverage research expertise across UWA to address the leading cause of death among 15 to 24year 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

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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

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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

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Speaker: Natalia Maslova (Ural Federal University)
Title: On GruenbergKegel 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 GruenbergKegel (...)

Friday 25 
16:00  SEMINAR  Groups and Combinatorics Seminar: Natal'ya Maslova, 4pm Oct 25 in Weatherburn LT

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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

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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

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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 (...)


March 2020

Thursday 05 
16:00  PUBLIC TALK  Mathematics and Statistics Colloquium : It's a wonderful life!  Reflections on the career of a mathematician

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Followed by Cheese and wine in Maths Common Room
Abstract:
We all have our doubts off and on if life is really so wonderful. But that is not what I want to address here. Watching the Jimmy Stewart movie with this title, there was one scene which captured my imagination: the Guardian (...)


April 2020

Thursday 23 
16:00  PUBLIC LECTURE  Mathematics and Statistics Colloquium : An invitation to finite geometry

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Finite geometry involves the study of finitely many objects  points, lines, planes, etc  in analogy with classical geometric language and concepts. The exciting aspect of finite geometry is that it often shares properties of the usual Euclidean geometry, yet the finiteness of the geometry (...)


October 2020

Thursday 22 
16:00  PUBLIC LECTURE  Mathematics and Statistics Colloquium : Control of pedestrian flows: social dynamics beyond modelling

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We propose a modelfree approach to analyse the movement of pedestrians in experiments and simulations. Using concepts from control and analysis of complex dynamical systems we set up a scheme which allows us to identify dynamical unstable signatures in pedestrian flows. These signatures are the (...)


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