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Displaying from Friday, September 19, 2014
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September 2014
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Friday 19 |
15:00 - SEMINAR - Groups and Combinatorics Seminar, Finite 2-set-homogeneous graphs
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Jin-Xin Zhou (Beijing Jiaotong University)
will speak on
Finite 2-set-homogeneous graphs
at 3pm Friday 19 September in Weatherburn Lecture Theatre.
Abstract:
Let k be a positive integer. A finite graph G is said to be k-set-homogeneous if for (...)
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Friday 26 |
15:00 - SEMINAR - Groups and Combinatorics Seminar, A geometric proof of Wedderburn's Theorem
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John Bamberg (UWA)
will speak on
A geometric proof of Wedderburn's Theorem
at 3pm Friday 26 September in Weatherburn Lecture Theatre.
Abstract:
J. H. Maclagan-Wedderburn (1905) exploited the interplay between a finite division ring and its (...)
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October 2014
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Friday 03 |
15:00 - SEMINAR - Groups and Combinatorics Seminar, Simple group factorisations and applications
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There will be refreshments before the seminar, at 2:40pm in the common room.
Cheryl Praeger (UWA)
will speak on
Simple group factorisations and applications
at 3pm Friday 3 October in Weatherburn Lecture Theatre.
Abstract:
Factori (...)
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Thursday 09 |
A public lecture by Terry Speed, Professor of Bioinformatics, Walter & Eliza Hall Institute of Medical Research.
Scientists have now mapped the human genome - the next frontier is understanding human epigenomes; the ‘instructions’ which tell the DNA whether to make skin cells or (...)
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Friday 10 |
15:00 - SEMINAR - Groups and Combinatorics Seminar, Vertex-transitive graphs with large automorphism groups: a potpourri
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Gabriel Verret (UWA)
will speak on
Vertex-transitive graphs with large automorphism groups: a potpourri
at 3pm Friday 10 October in Weatherburn Lecture Theatre.
Abstract:
I would like to understand connected vertex-transitive graphs which (...)
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Friday 17 |
15:00 - SEMINAR - Groups and Combinatorics Seminar, Magic words
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Martin Liebeck (Imperial College)
will speak on
Magic words
at 3pm Friday 17 October in Weatherburn Lecture Theatre.
Abstract:
A word map on a group G is a map sending (g_1,...,g_k) to w(g_1,...,g_k), where w is a fixed word in k variables (...)
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Friday 24 |
15:00 - SEMINAR - Groups and Combinatorics Seminar, Self-complementary vertex-transitive graphs
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Guang Rao (UWA)
will speak on
Self-complementary vertex-transitive graphs
at 3pm Friday 24 October in Weatherburn Lecture Theatre.
Abstract:
A graph is self-complementary if the graph and its complement are isomorphic. In this talk I will (...)
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November 2014
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Friday 07 |
15:00 - SEMINAR - Groups and Combinatorics Seminar, Commuting graphs
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Michael Giudici (UWA)
will speak on
Commuting graphs
at 3pm Friday 7 November in Mathematics Lecture Room 1.
Abstract:
Given a group G, the commuting graph of G is the graph with vertices the noncentral elements of G, and two vertices are (...)
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Friday 14 |
15:00 - SEMINAR - Groups and Combinatorics Seminar, Antiflag-transitive generalized quadrangles
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Eric Swartz (UWA)
will speak on
Antiflag-transitive generalized quadrangles
at 3pm Friday 14 November in Mathematics Lecture Room 1.
Abstract:
A generalized quadrangle is a point-line incidence geometry Q such that (1) any two points lie on at (...)
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Friday 28 |
15:00 - SEMINAR - Groups and Combinatorics Seminar, Tits' buildings as combinatorial objects
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Alice Devillers (UWA)
will speak on
Tits' buildings as combinatorial objects
at 3pm Friday 28 November in Mathematics Lecture Room 1.
Abstract:
Buildings were invented in the 1960s by the Belgian-French mathematician Jacques Tits. They are a (...)
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December 2014
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Thursday 18 |
11:00 - SEMINAR - Groups and Combinatorics Seminar: Symmetric p-groups
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Alice Niemeyer (UWA)
will speak on
Symmetric p-groups
at 11am in Weatherburn LT
(The time will be finalised on Wed evening. There may be the need for a change of time to 1:30pm.)
Abstract: In 1978 R.M. Bryant and L.G. Kov acs showed that for (...)
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January 2015
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Friday 16 |
15:00 - SEMINAR - Groups and Combinatorics Seminar, Growth rates of binary matroids
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Time and place: 3pm Friday 16 January in Weatherburn LT.
Speaker: Irene Pivotto (UWA)
Title: Growth rates of binary matroids.
Abstract: The growth rate of a class of matroids is a function of the rank which expresses how large a matroid in the class can be. For (...)
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Friday 23 |
15:00 - SEMINAR - Groups and Combinatorics Seminar, Generation of finite groups
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Time and place: 3pm Friday 23 January in Blakers LT.
Speaker: Colva Roney-Dougal (University of St Andrews)
Title: Generation of finite groups.
Abstract: There is a beautiful result, due to Liebeck, Shalev, and others, that the probability that two random elements (...)
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Thursday 29 |
16:00 - SEMINAR - Mathematics & Statistics Colloquium: Groups, diagrams and geometries
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Colloquium time date and location: 4pm, Thursday 29th January, Blakers Lecture Theatre
Speaker: Colva Roney-Dougal, University of St. Andrews.
Title: Groups, diagrams and geometries.
Abstract: The study of finitely-presented groups has been ongoing since the work of (...)
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Friday 30 |
15:00 - SEMINAR - Groups and Combinatorics Seminar: Recent studies on symmetric designs
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Time and place: 3pm Friday 23 January in MLR1.
Speaker: Seyed Hassan Alavi (Buali Sina University)
Title: Recent studies on symmetric designs.
Abstract: A symmetric design (v,k,l) is an incidence structure consisting of a set of v points and a set of v blocks with (...)
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February 2015
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Friday 06 |
15:00 - SEMINAR - Groups and Combinatorics Seminar: Homomorphisms and Endomorphisms of Graphs
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Time and place: 3pm Friday 6 February in Weatherburn LT.
Speaker: Gordon Royle (UWA)
Title: Homomorphisms and Endomorphisms of Graphs.
Abstract: A homomorphism from a graph X to a graph Y is a function f from V(X) to V(Y) that preserves edges (but not necessarily (...)
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Thursday 19 |
16:00 - SEMINAR - Mathematics & Statistics Colloquim: The Bayesian Paradigm for Statistical Inference and Decision Making.
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Colloquium time date and location: 4pm, Thursday 19th February, Blakers Lecture Theatre.
Speaker: Prof. Nozer Singpurwallah, City University of Hong Kong.
Title: The Bayesian Paradigm for Statistical Inference and Decision Making.
Abstract: In this expository talk (...)
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Friday 27 |
15:00 - SEMINAR - Groups and Combinatorics Seminar: The regular one-face dessins and surface coverings
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Time and place: 3pm Friday 27 February in Weatherburn LT.
Speaker: Cai-Heng Li (UWA)
Title: The regular one-face dessins and surface coverings.
Abstract: I will present a classification of edge-transitive dessins (orientable bipartite maps) with a single face,
and (...)
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March 2015
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Friday 06 |
15:00 - SEMINAR - Groups and Combinatorics Seminar, Multimarkdown and typesetting mathematics
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Time and place: 3pm Friday 6 March in Weatherburn LT.
Speaker: John Bamberg (UWA)
Title: Multimarkdown and typesetting mathematics.
Abstract: Markdown has been around for around a decade or so, and is a simpler alternative to xml for producing simple easy-to-read (...)
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Friday 13 |
15:00 - SEMINAR - Groups and Combinatorics Seminar: A non-classification theorem for 2-arc-transitive graphs
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Time and place: 3pm Friday 13 March in Weatherburn LT.
Speaker: Luke Morgan (UWA)
Title: A non-classification theorem for 2-arc-transitive graphs.
Abstract: It would be great to have a classification of 2-arc-transitive graphs! Sadly, this is probably out of reach (...)
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