What's On at UWA

Groups and Combinatorics Seminar

Michael Giudici (University of Western Australia)

Time and place: 16:00 Friday 05/05/2017 in Weatherburn LT

Title: Symmetry of digraphs

Abstract: The symmetry of graphs is a widely studied topic, but less has been done (...)

Speaker: John Bamberg (UWA)

Time and place: 16:00 Friday 12/05/2017 in Weatherburn LT

Title: m-ovoids of regular near polygons

Abstract: In this talk, an introduction to the basics of regular near polygons will be given together with a summary of the work of Bart (...)

Speaker: Cheryl Praeger (University of Western Australia)

Time and place: 16:00 Friday 19/05/2017 in Weatherburn LT

Title: Edge-transitive oriented graphs of valency four: quotients and cycles

Abstract: I will report on our analysis of the structure of this (...)

Speaker: Phill Schultz (University of Western Australia)

Title: Canonical Decompositions of Abelian Groups

Time and place: 16:00 Friday 26/05/2017 in Weatherburn LT

Abstract: A canonical decomposition theorem for a category of algebraic structures states that (...)

Speaker: Csaba Schneider (Federal University of Minas Gerais, Belo Horizonte)

Title: The isomorphism problem for universal enveloping algebras of Lie algebras

Time and place: 16:00 Friday 02/06/2017 in Weatherburn LT

Abstract: Let U(L) denote the universal (...)

There will be refreshments in Maths & Stats tea room at 15:40, and we will go for drinks at the UWA Tavern or the UniClub after the seminar. All are most welcome.

Speaker: Gordon Royle (University of Western Australia) Title: Hamilton Cycles in Cubic Graphs Time and place: 16:00 (...)

There will be refreshments in Maths & Stats tea room at 15:40, and we will go for drinks at the UWA Tavern or the UniClub after the seminar. All are most welcome.

Speaker: Nick Gill (University of South Wales) Title: On Cherlin's conjecture for primitive binary groups Time and place: (...)

Speaker: Hendrik Van Maldeghem (Universiteit Gent/Ghent University) Title: Pappian unitals in Pappian projective planes Time and place: 16:00 Friday 15/09/2017 in Weatherburn LT

Abstract: We define a class of objects in pappian projective planes by a simple algebraic formula and (...)

Speaker: Jeroen Schillewaert (University of Auckland) Title: Small maximal independent sets Time and place: 16:00 Friday 22/09/2017 in Engineering LT2 G04 (NOTE unusual location)

Abstract: We study random constructions in incidence structures using a general theorem on set systems. Our (...)

Speaker: Luke Morgan (University of Western Australia) Title: Cayley digraphs and Cayley index Time and place: 16:00 Friday 06/10/2017 in Weatherburn LT

Abstract: The Cayley index of a Cayley digraph on a finite group G is the index of (the regular representation of) G in the (...)

There will be refreshments in Maths & Stats tea room at 15:40, and we will go for drinks at the UWA Tavern or the UniClub after the seminar. All are most welcome.

Speaker: John Bamberg (University of Western Australia) Title: q-analogues of designs and the 2-Fano plane Time and place: (...)

There will be `cake' in the Mathematics and Statistics tea room at 15:40. The seminar starts at 16:00, and after 17:05 we go to the UniClub or Student Tavern for a drink. Note the unusual location.

Speaker: Hongxue Liang (University of Western Australia)

Title: Flag-transitive (...)

Speaker: Yian Xu (University of Western Australia) Title: Constructing a 2-arc-transitive cover for a certain hypercube Time and place: 16:00 Friday 03/11/2017 in Weatherburn LT

Abstract: The canonical basis, which is a particular type of basis of a vector space will be introduced in (...)

Speaker: Alexander Bors (University of Western Australia and University of Salzburg)

Title: Worst-case approximability of functions on finite groups by endomorphisms and affine maps

Time and place: 16:00 Friday 10/11/2017 in Weatherburn LT

Abstract: http://www.maths (...)

There will be refreshments in Maths & Stats tea room at 15:40, and we will go for drinks at the UWA Tavern or the UniClub after the seminar. All are most welcome.

Speaker: Stephen Glasby (University of Western Australia)

Title: Norman involutions and tensor products of (...)

Abstract:

Paul Dirac proposed the baryon symmetric universe in 1933. This proposal has become very attractive now since it seems that all pre-existing asymmetry would have been diluted if we had an inflationary stage in the early universe. However, if our universe began baryon (...)

Speaker: Lutz Strüngmann (Mannheim University of Applied Sciences, Germany)

Title: Transitivity Notions for Groups

Time and place: 16:00 Friday 02/02/2018 in Social Sciences LT (Note the unusual location!)

Abstract: http://www.maths.uwa.edu.au/~glasby/GroupsAndCom (...)

Symmetry is one of the essential and most visible patterns that can be seen in nature. Starting from the left-right symmetry of the human body, all types of symmetry can be found in crystals, plants, animals and nature as a whole.

Similarly, principals of symmetry are also some of the (...)

Speaker: John Bamberg (UWA)

Title: Abstract ovals

Time and place: 16:00 Friday 09/02/2018 in Woolnough LT (note unusual location)

Abstract: This talk will be about “abstract ovals” which were introduced in 1966 by Francis Buekenhout. In particular, we will (...)

Speaker: Scott Harper (University of Bristol)

Title: Uniform Domination for Simple Groups

Time and place: 16:00 Friday 23/02/2018 in Robert Street LT

Abstract: It is well known that every finite simple group can be generated by just two elements. In fact, by a (...)