Calendar – University of Copenhagen

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Symmetry and Deformation > Calendar

Calendar

Events at the Centre for Symmetry and Deformation.

  • 26 June - 30 June 2017

    Stable Homotopy Theory and p-adic Hodge Theory

    Masterclass with Matthew Morrow (Jussieu-Paris) and Thomas Nikolaus (MPI Bonn). » Read more

  • 26 June 2017, 15:15-16:15

    Algebra/Topology Seminar by Arthur Soulie

    Talk by Arthur Soulie (University of Strasbourg) Title: Action of the Long-Moody Construction on Polynomial FunctorsAbstract: In 2015, Randal-Williams and Wahl proved homological stability with certain twisted coefficients for dif- ferent families of groups, in particular the one of braid groups. In fact, they obtain the stability for coefficients given by functors satisfying polynomial conditions. We only know few examples of such functors. Among them, we have the functor given by the unreduced Burau representations. In 1994, Long and Moody gave a construction on representations of braid groups which associates a representation of Bn with a representation of Bn+1. This construction complexifies in a sense the initial representation: for instance, starting from a dimension one representation, one obtains the unreduced Burau representation. In this talk, I will present this construction from a functorial point of view. I will explain that the construction of Long and Moody defines an endofunctor, called the Long-Moody functor, between a suitable category of functors. Then, after defining strong polynomial functors in this context, I will prove that the Long-Moody functor increases by one the degree of strong polynomiality of a strong polynomial functor. Thus, the Long-Moody construction will provide new examples of twisted coefficients corresponding to the framework of Randal-Williams and Wahl. » Read more

  • 30 June 2017, 15:15

    PhD Defense Matias Lolk Andersen

     

     

    Title: Algebras and dynamical systems associated with separated graphs

    » Read more

  • 5 August - 6 August 2017

    Young Women in C*-Algebras

    A mini-workshop in the weekend leading up to the Young Mathematicians in C*-Algebras conference where all women participating in the YMC*A are invited to speak. » Read more

  • 7 August - 11 August 2017

    Young Mathematicians in C*-Algebras 2017

    The conference will feature mini-courses by Kate Juschenko (Northwestern) and Guoliang Yu (Texas A&M) alongside many contributed talks by participants. » Read more

  • 16 October - 20 October 2017

    Rigidity of C*-algebras associated to dynamics

    Masterclass with lectures by Toke Meier Carlsen (Faroe Islands) and Xin Li (Queen Mary University of London). » Read more