Past events

23 Oct. 2020, 14:30

AlgTopSeminar23102020

Algebra/Topology Seminar - Dustin Clausen

15 Oct. - 17 Oct. 2020

Nest Celebration POSTPONED

Conference celebrating the career of Ryszard Nest. Postponed until spring of 2021.

9 Oct. 2020, 14:30

The homology of Brauer algebras

Algebra/Topology Seminar - Peter Patzt

25 Aug. 2020, 13:30-14:30

MS thesis defense: Kaif Hilman

…

22 June - 26 June 2020

Non-Archimedean Geometry Techniques in Mirror Symmetry

Masterclass. Postponed; future date TBD.

15 June 2020, 15:15-16:15

Algebra/Topology Seminar

Speaker: Jovana Obradovic (Serbian Academy of Sciences and Arts)

Title: Combinatorial homotopy theory for operads

8 June 2020, 15:15-16:15

Algebra/Topology Seminar

Speaker: Christian Dahlhausen (University of Zurich)

1 June 2020, 15:15-16:15

Algebra/Topology Seminar

Charanya Ravi (University of Regensburg)

29 May 2020, 16:15-17:00

What is... a Coxeter group?

Benjamin Brück will explain what a Coxeter group is.

25 May - 29 May 2020

Scissors congruence, then and now (Postponed to 2021)

Masterclass. Postponed to early January. It will be confirmed in due course.

18 May 2020, 15:15-16:15

Algebra/Topology Seminar

Speaker: Markus Hausmann (Universität Bonn)

4 May 2020, 15:15-16:15

Algebra/Topology Seminar

Speaker: Zhen Huan (Huazhong University of Science and Technology)

Title: Quasi-elliptic cohomology and related problems

24 Apr. 2020, 16:15-17:00

What is... mean curvature flow?

Felix Lubbe will explain what mean curvature flow in higher codimension is.

20 Apr. 2020, 15:15-16:15

Algebra/Topology seminar

Speaker: Irakli Patchkoria (University of Aberdeen) 

Title: Equivariant Stallings-Swan theorem and cohomology of orbit categories

15 Apr. - 17 Apr. 2020

CANCELLED: Graduate student meeting on Applied Algebra and Combinatorics

CANCELLED. Due to recent developments related to the spread of the COVID-19 virus, the meeting is postponed until further notice.

8 Apr. 2020, 16:15-17:00

What is... non-commutative geometry?

Philipp Schmitt will explain what non-commutative geometry is.

27 Mar. 2020, 16:15-17:00

What is... a topological quantum field theory (TQFT)?

Thomas Wasserman will explain what a topological quantum field theory (TQFT) is.

23 Mar. 2020, 15:15-16:15

Algebra/Topology Seminar - CANCELLED

Speaker: Bruce Bartlett (Stellenbosch University)

16 Mar. 2020, 15:15-16:15

Algebra/Topology Seminar - CANCELLED

Speaker: Julian Holstein (University of Hamburg)

Title: Homotopy theory of monoids and localization

13 Mar. 2020, 13:15-14:15

Number Theory Seminar

Tuan Ngo Dac will talk about Special values and tensor powers of Drinfeld modules.

9 Mar. 2020, 15:15-16:15

Algebra/Topology Seminar

Speaker: Zhiyuan Ding

Title: On analogues of modular units for the moduli stack of Drinfeld shtukas

6 Mar. 2020, 14:15-15:15

Number Theory Seminar

Martin Widmer will talk about the "Rate of escape for lattices and their duals".

2 Mar. 2020, 15:15-16:15

Algebra/Topology Seminar

Speaker: Omar Antolin-Camarena

Title: Thom ring spectra and orientation

28 Feb. 2020, 16:15-17:00

What is... a knot?

Nanna Aamand will explain what a knot is.

24 Feb. 2020, 15:15-16:15

Algebra/Topology Seminar

Speaker: Markus Linckelmann (City, University of London)

Title: On degree -1 operators in cohomology