Past events

Events at the Centre for Symmetry and Deformation.

Search for certain years in the panel below.

6 Jan. 2015, 15:15-16:15

Derived stacks of algebraic structures

Algebra / Topology Seminar. Speaker: Sinan Yalin.

5 Jan. 2015, 15:15-16:15

Algebra/Topology seminar

Algebra/Topology seminar: Noncommutative plane curves. Speaker: Søren Jøndrup.

17 Dec. 2014, 12:05-13:00

SYM lecture: The Thompson groups F, T, V and their C*- and von Neumann algebras

Expository 45 minute SYM lecture by Uffe Haagerup.  Sandwiches provided.

15 Dec. - 16 Dec. 2014

Number Theory Days I

Seven speakers in different branches of Number Theory.

12 Dec. 2014, 13:15-14:15

Seminar: What is... a II_1 factor?

Søren Knudby - What is a II_1 factor?

11 Dec. 2014, 13:15

Algebra and Arithmetic of Modular Forms

PhD defense with Nadim Rustom

8 Dec. 2014, 15:15-16:15

Algebra/Topology seminar

Conchita Martinez-Perez on 'the proper geometric dimension of lattices in classical Lie groups'

5 Dec. 2014, 15:15-16:15

Seminar: What is... a partial group?

Isabelle Laude - What is a partial group?

5 Dec. 2014, 13:15-14:15

Number Theory seminar: Anna Arnth-Jensen

Exhibiting non-trivial elements of the Tate-Shafarevich group for the Jacobian of a hyperelliptic curve

3 Dec. 2014, 15:15-16:15

Operator algebra seminar

Hiroshi Ando: On the noncommutativity of the central sequence algebra F(A)

1 Dec. 2014, 15:15-16:15

Topology seminar

Filipp Levikov on 'Quadratic L-theory and the fibre of the cyclotomic trace'

26 Nov. 2014, 15:15-16:15

Operator algebra seminar

Operator algebra seminar by Bartosz Kwasniewski

26 Nov. 2014, 12:05-13:00

SYM speed date: PhD students

The November SYM lecture is replaced by 8-minute blackboard presentations by the SYM PhD students.

24 Nov. 2014, 15:15-16:15

Algebra/Topology seminar

Nathan Perlmutter on 'Homological stability for the diffeomorphism groups of odd dimensional manifolds'

19 Nov. 2014, 15:15-16:15

Operator algebra seminar

Operator algebra seminar by Christian Voigt

19 Nov. 2014, 14:00-15:00

William Browder, Lecture 5

A homological approach to problems of compact group actions: The workshop; constructions of actions, questions.

19 Nov. 2014, 12:05-13:00

SYM speed date: PhD students

The November SYM lecture is replaced by 8-minute blackboard presentations by the SYM PhD students.

18 Nov. 2014, 15:15-16:15

Seminar: What is... a nuclear C*-algebra?

Jamie Gabe - What is a nuclear C*-algebra?

17 Nov. 2014, 15:15-16:15

Algebra/Topology seminar

Nansen Petrosyan on '"Groups with cocompact classifying spaces for proper actions and a question of K. S. Brown"'

13 Nov. 2014, 15:15-16:15

William Browder, Lecture 4

A homological approach to problems of compact group actions: Actions on products of spheres; extending Heller's theorem.

12 Nov. 2014, 15:15-16:15

Operator algebra seminar

Speaker: James Gabe, KU. Title: Absorbing representations with respect to operator convex cones.

12 Nov. 2014, 14:00-15:00

William Browder, Lecture 3

A homological approach to problems of compact group actions: Elementary abelian p-groups.

11 Nov. 2014, 15:15-16:15

Department colloquium: Günter M. Ziegler (Freie Universität Berlin).

Günter M. Ziegler will talk about "The story of 3N points in a plane".

10 Nov. - 14 Nov. 2014

Discrete, Computational and Algebraic Topology

Workshop hosted by the Center for Experimental Mathematics and the Centre for Symmetry and Deformation.

7 Nov. 2014, 15:15

PhD defense: Søren Knudby

Title: Approximation properties for groups and von Neumann algebras