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Displaying from Friday, June 22, 2018
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June 2018
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Friday 22 |
16:00 - SEMINAR - Groups and Combinatorics Seminar: Gabriel Verret, 4pm Friday 22 June in Blakers LT
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Speaker: Gabriel Verret (Univ. of Auckland)
Title: Compatible local actions in arc-transitive digraphs
Time and place: 4pm Friday 22 Jun 2018, Blakers LT
Abstract: Given a G-arc-transitive graph, the local action is the permutation group induced by a vertex-stabilise (...)
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July 2018
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Friday 20 |
16:00 - SEMINAR - Groups and Combinatorics Seminar: John Sheekey, 4pm Friday 20 July in Weatherburn LT
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Speaker: John Sheekey (University College Dublin)
Title: Subspaces of Matrices over Finite Fields with Restricted Rank
Time and place: 4pm Friday 20 Jul 2018, Weatherburn LT
Abstract: Rank-metric codes are codes consisting of matrices over a finite field, with the (...)
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Friday 27 |
16:00 - SEMINAR - Groups and Combinatorics Seminar: Phill Schultz, 4pm Friday 27 July in Weatherburn LT
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Speaker: Phill Schultz (University of Western Australia)
Title: The curious incident of the Leningrad mathematicians
Time and place: 4pm Friday 27 Jul 2018, Weatherburn LT
Abstract: The solution of a famous Sherlock Holmes mystery hinges on the fact that none of the (...)
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August 2018
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Friday 03 |
16:00 - EVENT - Groups and Combinatorics Seminar: Gordon Royle, 4pm Aug 3 in Weatherburn LT
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Speaker: Gordon Royle (University of Western Australia)
Title: Online Collaborative LaTeX Authoring with Overleaf
Time and place: 4pm Friday 03 Aug 2018, Weatherburn LT
Abstract: This seminar is in the (very) occasional CMSC Technical Seminar Series covering useful (...)
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Thursday 16 |
16:00 - SEMINAR - Mathematics and Statistics colloquium : Bounding the number of symmetries of a graph
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Graphs (also called networks) with a high degree of symmetry are particularly nice objects to study mathematically. When studying the symmetries of a graph it is often useful to look at the local symmetries, that is, those that fix a particular vertex. An important question then becomes whether (...)
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Friday 17 |
16:00 - SEMINAR - Groups and Combinatorics Seminar: Jesse Lansdown, 4pm Aug 17 in Weatherburn LT
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Speaker: Jesse Lansdown (University of Western Australia/RWTH Aachen)
Title: Hemisystems in Finite Geometries
Time and place: 4pm Friday 17 Aug 2018, Weatherburn LT
Abstract:
Given an incidence geometry Γ with elements P called points, and elements
L (...)
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Friday 24 |
16:00 - SEMINAR - Groups and Combinatorics Seminar: Cheryl Praeger, 4pm Aug 24 in Weatherburn LT
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Speaker: Cheryl E Praeger (University of Western Australia)
Title: Structures invariant under maximal subgroups of symmetric groups: a more geometrical O’Nan-Scott Theorem
Time and place: 4pm Friday 24 Jul 2018, Weatherburn LT
Abstract: Maximal intransitive and (...)
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Thursday 30 |
16:00 - SEMINAR - Mathematics and Statistics colloquium : From the fractional Laplacian to the nonlocal minimal surfaces
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The fractional Laplacian is a nonlocal operator naturally arising in several branches of pure and applied mathematics. It presents intriguing features and possesses a great flexibility to a number of applications in physics, biology, numerics and finance.
After briefly discussing the basics of this (...)
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September 2018
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Friday 21 |
16:00 - SEMINAR - Groups and Combinatorics Seminar: Peter Vandendriessche, 4pm Sep 21 in Weatherburn LT
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Speaker: Peter Vandendriessche (Ghent University)
Title: Classification of hyperovals and KM-arcs in small projective planes
Time and place: 4pm Friday 21 Sep 2018, Weatherburn LT
Abstract: Hyperovals (resp. KM-arcs) are point sets in PG(2,q) (resp. in AG(2,q)^D) (...)
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Friday 28 |
16:00 - SEMINAR - Groups and Combinatorics Seminar: Barbara Baumeister, 4pm Sep 28 in Weatherburn LT
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Speaker: Barbara Baumeister (Universität Bielefeld)
Title: Non-crossing partitions in Coxeter and Artin groups
Time and place: 4pm Friday 28 Sep 2018, Weatherburn LT
Abstract: The talk will start with an introduction to non-crossing partitions, Coxeter and braid (...)
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October 2018
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Friday 05 |
16:00 - SEMINAR - Groups and Combinatorics Seminar: Carlisle King, 4pm Oct 5 in Weatherburn LT
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Speaker: Carlisle King (University of Western Australia)
Title: Generation of finite simple groups
Time and place: 4pm Friday 5 Oct 2018, Weatherburn LT
Abstract: Let G be a finite simple group. It is well-known that G is generated by a pair of elements – we say G (...)
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Thursday 11 |
16:00 - SEMINAR - Mathematics and Statistics colloquium : Interface dynamics: new mechanisms of stabilization and destabilization and structure of flow fields
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Interfacial mixing and transport are non-equilibrium processes coupling kinetic to macroscopic scales. They occur in fluids, plasmas and materials, over celestial events to atoms. Grasping their fundamentals can advance a broad range of disciplines in science, mathematics, and engineering. This (...)
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Friday 19 |
16:00 - SEMINAR - Groups and Combinatorics Seminar: Saul Freedman, 4pm Oct 19 in Weatherburn LT
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Speaker: Saul Freedman (University of Western Australia)
Title: p-groups related to exceptional Chevalley groups
Time and place: 4pm Friday 19 Oct 2018, Weatherburn LT
Abstract: In 1978, Bryant and Kovács proved that if H is a subgroup of the
general linear group (...)
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November 2018
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Thursday 01 |
16:00 - SEMINAR - Mathematics and Statistics colloquium : Generalisations and variations of the Monty Hall Problem
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The Monty Hall problem is a probability puzzle based on an American television game show. Some generalisations of the original problem are considered here:
- The probability distribution is generalised from equal likelihood to an arbitrary known prior distribution, with the number of doors changed (...)
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Friday 02 |
16:00 - SEMINAR - Groups and Combinatorics Seminar: Kyle Rosa, 4pm Nov 02 in Weatherburn LT
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Speaker: Kyle Rosa (University of Western Australia)
Title: Bounds for Semiprimitive Permutation Groups
Time and place: 4pm Friday 2 Nov 2018, Weatherburn LT
Abstract: Semiprimitive groups are permutation groups for which every normal subgroup is either transitive (...)
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Thursday 22 |
16:00 - SEMINAR - Mathematics and Statistics colloquium : Nonlocal equations, atom dislocation dynamics in crystals, and chaotic orbits
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In this talk, we introduce some basics of nonlocal equations, with some applications in mind coming from physics and material sciences.
In particular, the equation taken into account comes from a model, developed by Rudolf Peierls and Frank Nabarro, that describes the edge dislocation of atoms in (...)
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Friday 23 |
16:00 - SEMINAR - Groups and Combinatorics Seminar: Marvin Krings, 4pm Nov 23 in Robert Street LT
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Speaker: Marvin Krings (RWTH, Aachen)
Title: The p-part of the order of an almost simple group of Lie type
Time and place: 4pm Friday 23 Nov 2018, Robert Street LT (not Weatherburn LT)
Abstract: Primitive permutation groups are fundamental building blocks in the (...)
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February 2019
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Friday 01 |
16:00 - SEMINAR - Groups and Combinatorics Seminar: Cai Heng Li, 4pm Feb 01
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Speaker: Cai Heng Li (Southern University of Science and Technology, Shenzhen, PRC)
Title: Erdös-Ko-Rado Problem for Permutation Groups
Time and place: 4pm Friday 01 Feb 2019, Weatherburn LT
Abstract: A classical result of Erdös-Ko-Rado in extremal set theory (...)
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Tuesday 12 |
16:00 - SEMINAR - Groups and Combinatorics Seminar: Mariagrazia Bianchi, 4pm Feb 12
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Speaker: Mariagrazia Bianchi (Università degli Studi di Milano)
Title: Conjugacy class sizes in finite groups: variations on the theme
Time and place: 4pm Tuesday 12 Feb 2019, Weatherburn LT
Abstract: The study of conjugacy class sizes goes back to the beginning (...)
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Friday 15 |
16:00 - SEMINAR - Groups and Combinatorics Seminar: Gabriel Verret, 4pm Feb 15
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Speaker: Gabriel Verret (University of Auckland)
Title: An update on the Polycirculant Conjecture
Time and place: 4pm Friday 15 Feb 2019, Robert Street LT
Abstract: One version of the Polycirculant Conjecture is that every finite vertex-transitive digraphs admits a (...)
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