Seminar

Postdoc day, Seminar 2: Configuration spaces on a wedge of spheres

Higher algebraic structures in algebra, topology and geometry

25 February 14:10 - 14:40

Louis Hainaut - Stockholm University

In joint work with Nir Gadish we study the rational cohomology with compact support of configuration spaces on a (finite) wedge of spheres. We prove that there exist universal coefficients with which these cohomology groups can be expressed as a polynomial functor of the reduced cohomology of the space. We further use this description to determine some parts of these cohomology groups and we also prove applications in other fields, such as Hochschild-Pirashvili homology, representation theory of Out(F_g) or cohomology of the moduli space $M_{2,n}$.

 

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Organizers
Gregory Arone
Stockholm University
Tilman Bauer
KTH Royal Institute of Technology
Alexander Berglund
Stockholm University
Søren Galatius
University of Copenhagen
Jesper Grodal,
University of Copenhagen
Thomas Kragh
Uppsala University

Program
Contact

Alexander Berglund

alexb@math.su.se

Søren Galatius

galatius@math.ku.dk

Thomas Kragh

thomas.kragh@math.uu.se

Other
information

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