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SEMINAR: Groups and Combinatorics Seminar: Algebraic aspects of Hadamard matrices

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Today's date is Wednesday, September 28, 2022
Groups and Combinatorics Seminar: Algebraic aspects of Hadamard matrices Other events...
Our Groups and Combinatorics Seminar will resume this Friday.

Padraig Ó Catháin (The University of Queensland)

will speak on

Algebraic aspects of Hadamard matrices

at 3pm Friday 22nd of February in MLR2.


Hadamard matrices have applications in the design of experiments, signal processing, coding theory and many other areas. They have been extensively studied for many years, and are known to be closely related to symmetric designs with certain parameters. Many constructions for Hadamard matrices are known. Some are combinatorial in nature, others make use of finite fields and tools from abstract algebra.

In this talk I will give an introduction to Hadamard matrices, their automorphism groups, and their relations to other combinatorial objects. As a corollary of the classification of finite doubly transitive permutation groups, a classification of 'highly symmetric' Hadamard matrices is obtained. I will also look at the problem of constructing Hadamard matrices with primitive automorphism groups.
Speaker(s) Padraig Cathin
Location MLR2
Contact Irene Pivotto <[email protected]>
Start Fri, 22 Feb 2013 15:00
End Fri, 22 Feb 2013 16:00
Submitted by Michael Giudici <[email protected]>
Last Updated Mon, 25 Feb 2013 08:42
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