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Displaying from Wednesday, January 01, 2014
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January 2014
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Friday 10 |
15:00 - SEMINAR - Groups and Combinatorics Seminar, Analysis and Implementation: the Two 'Editions' of a Matrix Group Algorithm
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Brian Corr (UWA)
will speak on
Analysis and Implementation: the Two 'Editions' of a Matrix Group Algorithm
at 3pm Friday January the 10th in Blakers Lecture Theatre.
Abstract :
The quality of an algorithm in computational mathematics is (...)
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Friday 17 |
15:00 - SEMINAR - Groups and Combinatorics Seminar, Graphs and transitivity on 2-geodesics
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Alice Devillers (UWA)
will speak on
Graphs and transitivity on 2-geodesics
at 3pm Friday January the 17th in Blakers Lecture Theatre.
Abstract :
Joint work with Wei Jin, Cai Heng Li, Cheryl Praeger, Akos Seress.
An s-geodesic in (...)
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Friday 24 |
15:00 - SEMINAR - CMSC Technical Seminar, An introduction to IPE
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Irene Pivotto (UWA)
will speak on
An introduction to IPE
at 3pm Friday January the 24th in Blakers Lecture Theatre.
Abstract:
IPE is a drawing editor for creating figures in PDF or EPS format, which can then be inserted into LaTeX documents (...)
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Friday 31 |
15:00 - SEMINAR - Groups and Combinatorics Seminar, Groups and first-order logic
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André Nies (University of Auckland)
will speak on
Groups and first-order logic
at 3pm Friday January the 31st in Blakers Lecture Theatre.
Abstract :
We study the expressive power of first-order logic for groups. A finitely generated (...)
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February 2014
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Friday 07 |
15:00 - SEMINAR - Groups and Combinatorics Seminar, Row echelon matrices, flags and Grassmannians
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Phill Schultz (UWA)
will speak on
Row echelon matrices, flags and Grassmannians
at 3pm Friday February the 7th in Blakers Lecture Theatre.
Abstract:
There is a well trodden path from finite dimensional vector spaces to algebraic geometry (...)
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Friday 21 |
15:00 - SEMINAR - Groups and Combinatorics Seminar, Metrically homogeneous graphs
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Dugald MacPherson (University of Leeds)
will speak on
Metrically homogeneous graphs
at 3pm Friday February the 21st in Blakers Lecture Theatre.
Abstract:
A `homogeneous structure' is a countably infinite relational structure M (e.g. graph (...)
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Friday 28 |
15:00 - SEMINAR - Groups and Combinatorics Seminar, Subgroup covering numbers of symmetric groups
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Eric Swartz (UWA)
will speak on
Subgroup covering numbers of symmetric groups
at 3pm Friday February the 28th in Weatherburn Lecture Theatre.
Abstract:
Let G be a group. The subgroup covering number of G is defined to be the least integer m (...)
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March 2014
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Friday 07 |
15:00 - SEMINAR - Groups and Combinatorics Seminar, Factorizations of almost simple groups with a soluble factor
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Binzhou Xia (Peking University)
will speak on
Factorizations of almost simple groups with a soluble factor
at 3pm Friday March the 7th in Weatherburn Lecture Theatre.
Abstract:
Factorizations of almost simple groups arise in many contexts. I (...)
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Friday 14 |
15:00 - SEMINAR - Groups and Combinatorics Seminar, The brilliant career of Fr�d�ric Vanhove
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John Bamberg (UWA)
will speak on
The brilliant career of Frédéric Vanhove
at 3pm Friday March the 14th in Weatherburn Lecture Theatre.
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Friday 21 |
15:00 - SEMINAR - Groups and Combinatorics Seminar, Have we ever tried to count Cayley graphs?
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Pablo Spiga (Universita' di Milano-Bicocca)
will speak on
Have we ever tried to count Cayley graphs?
at 3pm Friday March the 21st in Weatherburn Lecture Theatre.
Abstract:
In this talk we give some elementary upper bounds on the number of (...)
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Friday 28 |
15:00 - SEMINAR - Groups and Combinatorics Seminar, Primitive groups, diophantine equations, and functional equations
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Michael Zieve (University of Michigan)
will speak on
Primitive groups, diophantine equations, and functional equations
at 3pm Friday March the 28th in Weatherburn Lecture Theatre.
Abstract:
I will explain how results about primitive groups (...)
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April 2014
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Friday 04 |
15:00 - SEMINAR - Groups and Combinatorics Seminar, Edge transitive dessins d'enfant
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Cai-Heng Li (UWA)
will speak on
Edge transitive dessins d'enfant
at 3pm Friday April the 4th in Weatherburn Lecture Theatre.
Abstract:
A 2-cell embedding of a bipartite graph in an orientable surface is called a dessin d'enfant. Thus a dessin (...)
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Friday 11 |
15:00 - SEMINAR - Groups and Combinatorics Seminar, Graphs are to matroids what ribbon graphs are to ...?
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Steven Noble (Brunel University)
will speak on
Graphs are to matroids what ribbon graphs are to ...?
at 3pm Friday April the 11th in Weatherburn Lecture Theatre.
Abstract:
Much of the combinatorial structure of an abstract connected graph is (...)
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May 2014
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Friday 02 |
15:00 - SEMINAR - Groups and Combinatorics Seminar, Some recent results on elusive groups
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Michael Giudici (UWA)
will speak on
Some recent results on elusive groups
at 3pm Friday May the 2nd in Weatherburn Lecture Theatre.
Abstract:
Every transitive permutation group has a derangement of prime power order but not necessarily a (...)
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Friday 09 |
15:00 - SEMINAR - Groups and Combinatorics Seminar, Locally-transitive graphs and their vertex stabilisers
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Luke Morgan (UWA)
will speak on
Locally-transitive graphs and their vertex stabilisers
at 3pm Friday May the 9th in Weatherburn Lecture Theatre.
Abstract:
Let D be a graph with a group of automorphisms G and suppose that D is G-locally-arc-tra (...)
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Friday 16 |
15:00 - SEMINAR - Groups and Combinatorics Seminar, Classic problems of packing in 2d, 3d and on a cylinder
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Denis Weaire
Gledden Visiting Fellow, Institute for Advanced Studies, UWA
and
School of Physics, Trinity College, Dublin, Ireland
will speak on
Classic problems of packing in 2d, 3d and on a cylinder
at 3pm Friday May the 16th in (...)
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Friday 23 |
15:00 - SEMINAR - Groups and Combinatorics Seminar, Chromatic roots of graphs and matroids
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Gordon Royle (UWA)
will speak on
Chromatic roots of graphs and matroids
at 3pm Friday May the 23rd in Weatherburn Lecture Theatre.
Abstract:
The location of the real and/or complex roots of the chromatic polynomial of a graph has been studied (...)
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Friday 30 |
15:00 - SEMINAR - Groups and Combinatorics Seminar, Taking products of permutation groups
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Simon Smith (UWA)
will speak on
Taking products of permutation groups
at 3pm Friday May the 30th in Weatherburn Lecture Theatre.
Abstract:
At the AustMS conference, I introduced a new product for permutation groups. At the time, I was in a (...)
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June 2014
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Thursday 05 |
15:00 - SEMINAR - Groups and Combinatorics Seminar, Computing Kazhdan-Lusztig Polynomials and some Applications
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Frank Lübeck (RWTH Aachen)
will speak on
Computing Kazhdan-Lusztig Polynomials and some Applications
at 3pm Thursday June the 5th in Maths Lecture Room 2.
Abstract:
My interest in Kazhdan-Lusztig polynomials comes from a certain character (...)
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August 2014
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Friday 01 |
15:00 - SEMINAR - Groups and Combinatorics Seminar: Quasi-isometry and commensurability for right-angled Coxeter groups
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Anne Thomas (University of Glasgow)
will speak on
Quasi-isometry and commensurability for right-angled Coxeter groups
at 3pm Friday 1 August in Weatherburn Lecture Theatre
Abstract:
Let Gamma be a finite simple graph with vertex set S. The associated (...)
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