Past events

Events at the Centre for Symmetry and Deformation.

Search for certain years in the panel below.

21 May 2014, 15:15-16:15

On continuous fields of properly infinite C*-algebras

Operator Algebra Seminar by Etienne Blanchard, Paris.

19 May 2014, 15:15-16:15

Graded algebras and polynomial identities

Algebra/Topology seminar. Speaker: Eli Aljadeff, Technion, Israel Institute of Technology.

12 May 2014, 15:15-16:15

Towards integral equivariant rigidity

…

8 May 2014, 15:15-16:15

SYM lecture: An alternative appoach to Witt vectors

Speaker: Christopher Deninger. This is a talk in our monthly SYM lecture series. It is colloquim style, and aimed at all members of the center. Cake at 14:45.

7 May 2014, 15:15-16:15

Graph C*-algebras and orbit equivalence

Operator Algebra Seminar by Toke Meier Carlsen.

28 Apr. 2014, 15:15

Bredon cohomological finiteness conditions for generalisations of Thompson groups

…

23 Apr. 2014, 15:15-16:15

Operator Algebra Seminar by Yasuhiko Sato

 Murray von Neumann equivalence for positive elements and order zero c.p. maps

23 Apr. 2014, 12:05-13:00

SYM lecture: Supramenable groups

By Mikael Rørdam. This a talk in our monthly SYM lecture series. It is colloquim style, and aimed at all members of the center. Sandwiches are provided. Place: Aud 8.

11 Apr. 2014, 14:15-16:00

Graph complexes and the moduli space of Riemann surfaces

PhD Defense: Daniela Egas Santander

11 Apr. 2014, 13:15-14:15

The Mathematics of Inversion

Søren Eilers
Experimental mathematics colloquium

9 Apr. 2014, 15:15-16:15

Universal properties of group actions on locally compact spaces.

Operator algebra seminar by Mikael Rørdam.

7 Apr. 2014, 15:15-16:15

Locally torsion-free quasi-coherent sheaves

…

1 Apr. 2014, 13:15-14:15

Baby NCG seminar: Cyclic homology and Fourier theory

Tyrone Crisp

27 Mar. 2014, 15:15

Om strukturen af simple, nukleæare C*-algebraer: Toms-Winter formodningen

Specialeforsvar ved Martin Søndergaard Christensen

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

OA Seminar by Ryszard Nest, UCPH

L_\infty-algebras, two groupoids and deformation quantization of gerbes.

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

Ralf Meyer, Göttingen. Classifying with length-2-resolutions

Ralf Meyer, Göttingen

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

SYM lecture: The C*-algebras of right-angled Artin-Tits monoids

By Søren Eilers. This a talk in our monthly SYM lecture series. It is colloquim style, and aimed at all members of the center. Sandwiches are provided. Place: Aud 10.

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

Department Colloquim: Steffen Lauritzen

In this Department Colloquim Steffen Lauritzen will talk about "Gaussian Graphical Models with Symmetry". 

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

Outer space for right-angled Artin groups

Speaker: Karen Vogtmann, Cornell University.

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

Cross-sections of Borel flows

Aud. 8 (!), 15:15-16:15: Konstantin Slutsky, University of Copenhagen: Every free Borel flow on a standard Borel space admits a cross-section with only two possible distances.

10 Mar. 2014, 15:15-16:15

Palindromic Properties and Descent Obstructions

Speaker: Jim Stankewicz, Univeristy of Copenhagen.

6 Mar. 2014, 15:15-16:15

Weyl-von Neumann Theorem and Borel complexity of unitary equivalence modulo compact perturbations of self-adjoint operators

…

4 Mar. 2014, 14:45-15:15

Department Tea

…

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

On Hopf algebras with nonzero integral

Speaker: Juan Cuadra, University of Almeria.
In this talk we will introduce a new family of co-Frobenius Hopf algebras that answers in the negative this question. The results that will be presented are part of a joint work with N. Andruskiewitsch (National University of Cordoba, Argentina) and P. Etingof (Massachusetts Institute of Technology, USA). Arxiv:1206.5934.

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

ON RANDOM GROUPS OF INTERMEDIATE GROWTH

…