Nikolaus Conference 2021

Final Program

[Program as PDF-file]

The talks on Thursday and Friday morning were in Room RS 4 in ground floor of Rochusstrasse 2-14.

The talks on Friday afternoon and Saturday were in Room IV in first floor of Hauptgebäude, Templergraben 55.

Meeting point and coffee breaks were at Lehrstuhl für Algebra und Zahlentheorie in first floor of Pontdriesch 14/16, and also in the larger room SeMath (008) in the ground floor.

Attendees had to fulfill the 2G+ conditions (proof of Covid vaccination or recovery and each day a current negative Corona test).

Thursday, December 9, 2021

2.01--2.31pmBenjamin Sambale (Hannover): Lower Bounds on the Number of Brauer Characters
2.40--3.00pmBritta Späth (Wuppertal): Equivariant Jordan Decomposition
(coffee and discussion)
4.02-4.31pmKevin Wolf (Marburg): Representations of Deformed Nichols Algebras
4.40-5.06pmJean Michel (Paris): Tower Equivalence and Lusztig's Fourier Transform
5.20--6.00pmGunter Malle (Kaiserslautern): Yokonuma Type Algebras for Torus Normalisers in \(\ell\)-Compact Groups
7.00pm-??Conference Dinner (in the Pontgarten, Pontstraße 154)

Friday, December 10, 2021

9.01--9.17amJulian Brough (Wuppertal): Characters of \(d\)-Tori Normalisers in \(Sp(2n,q)\)
9.30--9.46amLucas Ruhstorfer (Kaiserslautern): Quasi-Isolated Blocks and the Alperin-McKay Conjecture
10.00--10.51amBirte Johansson (Kaiserslautern): On the Verification of the Inductive McKay-Navarro Condition
11.00--11.42Jonathan Gruber (Lausanne): Singular Modules for Reductive Algebraic Groups and a Translation Principle for Tensor Products
(lunch break)
2.01--2.21pmÀngel García Blàzquez (Murcia): The Isomorphism Problem for Rational Group Algebras of Metacyclic Groups
2.30--2.48pmLeo Margolis (Madrid): The Modular Isomorphism Problem
3.00--3.19pmDiego García Lucas (Murcia) : Non-Isomorphic Finite 2-Groups with Isomorphic Modular Group Algebras
(coffee and discussion)
4.40--5.00pmDamiano Rossi (Wuppertal): Generalized Harish-Chandra Theory for Dade's Projective Conjecture
5.10--5.26pmLaura Voggesberger (Kaiserslautern): An Introduction to Nilpotent Pieces
5.40--6.00pmAna-Maria Retegan (Lausanne): Eigenvalue Multiplicities of Group Elements in Irreducible Representations of Simple Linear Algebraic Groups
7.00pm-??No pre-booked location - we used nearby restaurants and pubs.

Saturday, December 11, 2021

(small delay caused by virus)
10.06--10.26amOlivier Dudas (Paris): Macdonald Polynomials for Complex Reflection Groups
10.37--10.55amDario Mathiä (Kaiserslautern): A Variant of Kostka–Macdonald Coefficients at \(q = t\) for Multipartitions via Cherednik Algebras
11.03--11.24amBalthazar Charles (Paris): Cartan Matrices of Finite Monoids and Fixed Point Counting
11.30--11.52amWilf Wilson (St Andrews): Perfect Refiners for Permutation Group Backtracking Algorithms
(lunch break)
2.00--2.24pmThomas Gobet (Tours): Toric Reflection Groups
2.31--2.50pmJohannes Schmitt (Kaiserslautern): On Parabolic Subgroups of Symplectic Reflection Groups
3.00--3.16pmIlias Andreou (Versailles): Brauer Algebras of Complex Reflection Groups
(coffee and discussion)
4.40--5.03pmNathan Chapelier (Tours): Shi Variety Corresponding to an Affine Weyl Group
5.10--5.28pmSofia Brenner (Jena): Socles of Centers of Group Algebras
5.40--6.00pmThomas Gerber (Lausanne): Combinatorial Howe Duality
7.00pm-??Research Cambridge Style! (in the "Labyrinth", of course)

Final Version (Tue, 14 Dec 2021 15:31:39 +0100)

Address questions to Frank Lübeck