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Autumn 2020 Virtual Mathematics Seminar

Autumn 2020 Virtual Mathematics Seminar

  • Date 30 Sep 2020 - 01 Jan 2021
  • Time 2pm
  • Category Seminar

The Mathematics Virtual Seminar meets every Wednesday at 2pm. The talk is followed by virtual tea and conversation.

To join, please email Prof Mark Wildon or Prof Brita Nucinkis.

Each talk is aimed at a broad audience of mathematicians, mathematical cryptographers, and theoretical computer scientists.

 

SCHEDULE FOR AUTUMN 2020

14th  October 2020: Stacey Law (Cambridge)

Title: Sylow branching coefficients for symmetric groups

The relationship between the representation theory of a finite group and that of its Sylow subgroups is a key area of interest. For example, recent results of Malle–Navarro and Navarro–Tiep–Vallejo have shown that important structural properties of a finite group G are controlled by the permutation character. We introduce so-called Sylow branching coefficients to describe multiplicities associated with these induced characters, and discuss some properties and applications in the case where G is a symmetric group.

 

21st October 2020: James McKee (RHUL)

Title: The set of Cassels Heights

The Cassels height function is used in the study of cyclotomic integers. Cassels introduce it in 1969 when settling a conjecture of Robinson.  The set of all Cassels heights has a curious structure, which we explore.  This is joint work with Byeong-Kweon Oh (Seoul) and Chris Smyth (Edinburgh).

 

4th November 2020: Yuri Santos Rego (Magdeburg)

 

11th November 2020: Gene Kopp (Bristol)

 

18th November 2020: Kamilla Rekvenyi (Imperial, tbc)

 

2nd December 2020, Nick Winstone (RHUL)

 

A list of previous seminars can be found here

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