# Talks

The following is a list of recent talks that I have given. Where possible notes or slides for the talks are linked.

Recent • By Year

## Recorded

19th Nov 20 |
Unitriangularity and Decomposition Matrices of Unipotent Blocks
Virtual Workshop on Recent Developments in Geometric Representation Theory, IAS, Princeton, USA |

31st Jan 20 |
Classifying isomorphism classes of algebraic groups
Computational and algorithmic methods workshop, Groups Representations and Applications, Isaac Newton Institute, Cambridge, UK |

7th Jan 20 |
Representations and unipotent classes
Introductory/instructional workshop, Groups Representations and Applications, Isaac Newton Institute, Cambridge, UK |

12th Apr 18 |
Deligne–Lusztig induction and almost characters
Representations of Finite and Algebraic Groups, MSRI, Berkeley, USA |

17th Oct 17 |
Strutcture of Root Data and Smooth Regular Embeddings
New Perspectives in Representation Theory of Finite Groups, BIRS, Banff, Canada (Slides are available here) |

20th Mar 14 |
Character Sheaves and GGGRs
Global/Lobal Conjectures in Representation Theory of Finite Groups, BIRS, Banff, Canada (Slides are available here) |

## Recent Invited

13th Dec 22 |
Bounding Character Values at Regular Semisimple Elements
Algebra Seminar, Bergische Universitat Wuppertal, Germany |

30th Sep 22 |
Bounding Character Values at Regular Semisimple Elements
Algebraic Combinatorics Seminar, Colorado State University, USA |

27th Sep 22 |
Rationality Questions for Finite Reductive Groups
Lie Theory Seminar, CU Boulder, Colorado, USA |

8th Apr 22 |
Representations of Finite Reductive Groups
Pure Maths Colloquium, University of Manchester |

22nd Mar 22 |
Representations of Finite Reductive Groups
Pure Maths Colloquium, University of St. Andrews |

23rd Feb 22 |
Some Asymptotic Variants of a Conjecture of Thompson
Algebra Seminar, University of Aberdeen, UK |

28th Jan 21 |
Rationality Properties of Kawanaka Characters
Seminar Gruppen und Darstellungen, TU Kaiserslautern |

14th Oct 20 |
Unitriangularity of Decomposition Matrices of Unipotent Blocks
(Virtual) Algebra Seminar, Queen Mary University |

22nd Apr 20 |
Unitriangularity of Decomposition Matrices of Unipotent Blocks
(Virtual) Algebra Seminar, University of Birmingham |

6th Mar 20 |
Unitriangularity of Decomposition Matrices of Unipotent Blocks
Algebra Seminar, Newcastle University |

20th Feb 20 |
Unitriangularity of Decomposition Matrices of Unipotent Blocks
London Algebra Colloquium, City University |

10th Feb 20 |
Unitriangularity of Decomposition Matrices of Unipotent Blocks
Algebra Seminar, University of York |

5th Feb 20 |
Unitriangularity of Decomposition Matrices of Unipotent Blocks
Algebra Seminar, University of Bristol |

25th Apr 19 |
Character Values at Unipotent Elements
Automorphic Forms and Representation Theory Seminar, Purdue University |

7th Feb 19 |
Character Values of Finite Reductive Groups
Colloquium, University of Arizona |

## Conferences

18th Oct 23 |
Rationality of Representations of Finite Reductive Groups
Group Theory and Number Theory: Interactions, Princeton, USA |

6th Oct 23 |
Real Elements in Finite Reductive Groups
Representation Theory at the Villa Denis 2023, Frankenstein, Germany |

5th Sep 23 |
Bounding Character Values at Regular Semisimple Elements
LMS Regional Workshop on Lie Theory, York, UK |

3rd Apr 23 |
How p-groups Impact the Representations of Finite Reductive Groups
British Mathematical Colloquium 2023, Bath, UK |

5th Dec 22 |
Rationality Questions for Representations of Finite Reductive Groups
PRIMA 2022, Vancouver, Canada |

12th May 22 |
Rationality Questions for Representations of Finite Reductive Groups
Counting Conjectures and Beyond, Issac Newton Institute, Cambridge, UK |

12th Apr 22 |
Rationality Questions for Representations of Finite Reductive Groups
Future directions in algebraic groups and Lie algebras in the UK, University of Birmingham, UK |

17th Mar 22 |
Some Asymptotic Variants of a Conjecture of Thompson
58th ARTIN Meeting, University of Manchester, UK |

14th Jul 17 |
Action of Automorphisms on Irreducible Characters of Symplectic Groups
Representation Theory in Kaiserslautern, Kaiserslautern, Germany |

6th Jan 17 |
Action of Automorphisms on Irreducible Characters of Symplectic Groups
AMS JMM Special Session - Representations and Related Geometry in Lie Theory, Hyatt Regency, Atlanta, USA |

27th May 16 |
Self Normalising Sylow 2-Subgroups
Seventy-third BLOC Meeting, City University, London, UK |

15th Apr 15 |
Generalised Gelfand–Graev Characters in Small Characteristics
Representations of Finite Groups, Oberwolfach, Germany |

5th Dec 14 |
Inducing Characters of Weyl Groups
Nikolaus Conference 2014, RWTH Aachen, Germany |

6th Sep 13 |
Decomposing Generalised Gelfand–Graev Representations (GGGRs)
Brauer's Problems - 50 Years On (honouring Geoff Robinson's 60th Birthday), Manchester, England |

28th Jun 13 |
On Lusztig's Conjecture for Character Sheaves of Classical-Type Groups
Cohomology in Lie Theory, Oxford, England (Slides are available here) |