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Displaying from Friday, June 12, 2015
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June 2015
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Friday 12 |
15:00 - SEMINAR - Groups and Combinatorics Seminar: The suborbits of infinite primitive permutation groups
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Time and place: 15:00 Friday 12 June in Blakers LT.
Speaker: Simon Smith (City University of New York)
Title: The suborbits of infinite primitive permutation groups
Abstract: In this talk I'll discuss the subdegrees (cardinalities of suborbits) of infinite (...)
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Friday 19 |
15:00 - SEMINAR - Groups and Combinatorics Seminar: Permutation groups with "LPS"
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Time and place: 15:00 Friday 19 June in Blakers LT.
Speaker: Cheryl Praeger (University of Western Australia)
Title: Permutation groups with "LPS"
Abstract: My collaborations with Jan and Martin were centred on group actions, that is, on permutation (...)
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July 2015
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Friday 24 |
15:00 - SEMINAR - Groups and Combinatorics Seminar: Cameron-Liebler line classes and two-intersection sets
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Time and place: 15:00 Friday 24 July in Austin LT.
Speaker: Qing Xiang (University of Delaware)
Title: Cameron-Liebler line classes and two-intersection sets
Abstract: Cameron-Liebler line classes are sets of lines in PG(3,q) having many interesting combinatorial (...)
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Friday 31 |
15:00 - SEMINAR - Groups and Combinatorics Seminar: Quantum walk on graphs, unitary operation, Hamiltonian simulation, and efficient quantum circuits
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Time and place: 15:00 Friday 31 July in Blakers LT.
Speaker: Jingbo Wang (University of Western Australia)
Title: Quantum walk on graphs, unitary operation, Hamiltonian simulation, and efficient quantum circuits
Abstract: Quantum walk represents a generalised (...)
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August 2015
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Friday 07 |
15:00 - SEMINAR - Groups and Combinatorics Seminar: 2-Neighbour Transitive Codes in Hamming Graphs
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Time and place: 15:00 Friday 7 August in Blakers LT.
Speaker: Daniel Hawtin (University of Western Australia)
Title: 2-Neighbour Transitive Codes in Hamming Graphs
Abstract: We consider a code C to be a subset of the vertex set of a Hamming graph, with alphabet Q (...)
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Thursday 13 |
16:00 - SEMINAR - Mathematics & Statistics Colloquium: Mimicking magnets with lattices of bacterial vortices.
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Mathematics & Statistics Colloquium
Time and date: 4pm, Thursday 13th August
Venue: Blakers Lecture Theatre
Speaker: Francis Woodhouse (The University of Western Australia)
Title: Mimicking magnets with lattices of bacterial vortices.
Abstr (...)
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Friday 14 |
15:00 - SEMINAR - Groups and Combinatorics Seminar: Affine rank 3 partial linear spaces
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Time and place: 15:00 Friday 14 August in Blakers LT.
Speaker: Joanna Fawcett (University of Western Australia)
Title: Affine rank 3 partial linear spaces
Abstract: A partial linear space consists of a finite non-empty set P of points and a collection L of subsets (...)
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September 2015
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Friday 18 |
15:00 - SEMINAR - Groups and Combinatorics Seminar: Triality via Geometric Algebra
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Time and place: 15:00 Friday 18 September in Blakers LT.
Speaker: Mark Ioppolo (University of Western Australia)
Title: Triality via Geometric Algebra
Abstract: The automorphisms of the orthogonal group SO(+1,2n,q) generally correspond to semi-similarities of the (...)
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Friday 25 |
15:00 - SEMINAR - Groups and Combinatorics Seminar: Point-primitive, line-transitive generalised quadrangles of 'holomorph type'
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Time and place: 15:00 Friday 25 September in Blakers LT.
Speaker: Tomasz Popiel (University of Western Australia)
Title: Point-primitive, line-transitive generalised quadrangles of 'holomorph type'.
Abstract: In a 2012 paper, Bamberg, Giudici, Morris, Royle and (...)
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October 2015
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Friday 02 |
15:00 - SEMINAR - Groups and Combinatorics Seminar: Almost synchronising groups
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Time and place: 15:00 Friday 02 October in Blakers LT.
Speaker: Gordon Royle (University of Western Australia)
Title: Almost synchronising groups.
Abstract: A permutation group G on a set X is said to be synchronising if for every transformation f of X that is not a (...)
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Friday 09 |
15:00 - SEMINAR - Groups and Combinatorics Seminar: Foundations of hyperbolic geometry
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Abstract: The independent discovery by Lobachevsky and Bolyai of hyperbolic geometry in the 1830's was followed by slow acceptance of the subject from the 1860's on, with the publications of relevant parts of the correspondence of Gauss. A new phase was entered from 1903, when David Hilbert, in his (...)
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Friday 16 |
15:00 - SEMINAR - Groups and Combinatorics Seminar: The 3rd Heidelberg Laureate Forum and related mathematics
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Time and place: 15:00 Friday 16 October in Weatherburn LT.
Speaker: Melissa Lee (University of Western Australia)
Title: The 3rd Heidelberg Laureate Forum and related mathematics.
Abstract: The Heidelberg Laureate Forum is a prestigious conference held in (...)
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Thursday 22 |
16:00 - SEMINAR - Mathematics & Statistics Colloquium: Encoding geometric information into combinatorial structure
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Mathematics & Statistics Colloquium
Time and date: 4pm, Thursday 22nd October
Venue: Blakers Lecture Theatre
Speaker: Paul Baird (Universite de Bretagne Occidentale)
Title: Encoding geometric information into combinatorial structure
Abstract (...)
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Friday 23 |
15:00 - SEMINAR - Groups and Combinatorics Seminar: Pairwise transitive 1-designs
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Time and place: 15:00 Friday 23 October in Weatherburn LT.
Speaker: Adrian Petersen (University of Western Australia)
Title: Pairwise transitive 1-designs
Abstract: Design theory has extensive interactions with other areas of mathematics, especially group theory (...)
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Friday 30 |
15:00 - SEMINAR - Groups and Combinatorics Seminar: Decomposition theorems for graphs and matroids
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Time and place: 15:00 Friday 30 October in Weatherburn LT.
Speaker: Irene Pivotto (University of Western Australia)
Title: Decomposition theorems for graphs and matroids
Abstract: Wagner proved that every graph that does not contain a clique on 5 vertices as a minor (...)
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November 2015
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Wednesday 04 |
15:00 - SEMINAR - Groups and Combinatorics Seminar: On automorphisms and opposition in spherical buildings.
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Time and Place: 15:00 Wednesday 4 November in Blakers
Speaker: James Parkinson (University of Sydney)
Title: On automorphisms and opposition in spherical buildings.
Abstract: The opposition relation is fundamental in Tits' theory of spherical and twin buildings. When studying (...)
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Friday 06 |
15:00 - SEMINAR - Groups and Combinatorics Seminar: Generalized Thrackle and Graph Surface Embeddings
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Time and place: 15:00 Friday 6 November in MLR1.
Speaker: Yian Xu (University of Western Australia)
Title: Generalized Thrackle and Graph Surface Embeddings
Abstract: A thrackle on a surface X is a graph of size e and order n drawn on X such that every two distinct (...)
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Friday 13 |
15:00 - SEMINAR - Groups and Combinatorics Seminar: Innately transitive groups
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Time and place: 15:00 Friday 13 November in MLR1.
Speaker: David Raithel (University of Western Australia)
Title: Innately transitive groups
Abstract: An innately transitive permutation group is a permutation group with a transitive minimal normal subgroup. Innately (...)
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Monday 16 |
15:00 - SEMINAR - Groups and Combinatorics Seminar: Bounding K_4-minor-free graphs in the homomorphism order
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Time and place: 15:00 Monday 16 November in Monadelphous DS
Speaker: Reza Naserasr (Université Paris-Sud)
Title: Bounding K_4-minor-free graphs in the homomorphism order
Abstract: Given a graph B of odd-girth 2k+1 we are interested in the following question: Does (...)
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Thursday 19 |
16:00 - SEMINAR - Mathematics & Statistics Colloquium: Grrrrr...... linear stability should be simple -- the saga of the Stokes' layer
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Mathematics & Statistics Colloquium
Time and date: 4pm, Thursday 19th November
Venue: Blakers Lecture Theatre
Speaker: Professor Andrew Bassom (The University of Western Australia)
Title: Grrrrr...... linear stability should be simple -- the saga of (...)
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