Time and place
Friday, December 4, 2020 virtuallySpeakers and Format
As this will be an online meeting, we will have a diverse mixture of shorter and longer talks and opportunities to chat to other participants. We will have 2 onehour talks, given by Marc Hoyois (Univ. Regensburg)
 Kai Cieliebak (Univ. Augsburg)
Registration
We will send out the information on how to connect via email the day before the meeting. Please register for the event here.The talks will be on zoom, and during the lunch break and for the extended Q & A after 16:00 we will use gather.town. This is an online platform where you get a little avatar and can walk around a floor plan; when you get close to others you hear and can join their conversation. Hopefully this simulates somewhat of a conference experience. In particular, this should give the opportunity to talk to the gong show speakers simultaneously.
Schedule
10  11  Marc Hoyois  The Hilbert scheme of affine spaceIn joint work with Joachim Jelisiejew, Denis Nardin, Burt Totaro, and Maria Yakerson, we study the geometry of the Hilbert scheme Hilb_d(A^n) of d points in affine nspace from the point of view of A^1homotopy theory. We determine the A^1homotopy type of Hilb_d(A^∞) and prove that the inclusion Hilb_d(A^n) ⊂ Hilb_d(A^∞) is highly connected. In particular, we compute the cohomology of the spaces of complex and real points of Hilb_d(A^n) in some range. I will explain some of these computations as well as the motivation for them coming from stable motivic homotopy theory. 
11:15  12:15  Kai Cieliebak  Secondary coproducts in Floer and loop homologyThis talk is about joint work with Nancy Hingston and Alexandru Oancea. We describe a secondary coproduct on the Floer homology of a cotangent bundle and show that, under Viterbo's isomorphism, it corresponds to the GoreskyHingston coproduct on loop space homology. As a byproduct this gives a nontrivial extension of the GoreskyHingston coproduct over the constant loops. 
12:15  14  lunch break; optional: join a coffee group 

1414:30  gong show session 1  Glöckle (Regensburg), Initial data sets and scalar curvature Hertl (Göttingen/Augsburg), Cubical Sets and Positive Scalar Curvature Seipel (Regensburg), Higher Multiplicites of Dirac operator on homogeneous spaces 
14:4515:15  gong show session 2  Nardin (Regensburg), Hermitian Ktheory for stable ∞categories Traube (MPI Physik, München), Cardy Algebras, Sewing Constraints and StringNets Walde (TUM), Higher Segal spaces: 1,2, and beyond 
15:3016  gong show session 3  Roldan (TUM), Geometry and Topology of Random Polyforms Winges (Regensburg), Assembly maps and aspherical manifolds Zibrowius (Regensburg), Khovanov homology via Lagrangian Floer theory and the cosmetic crossing conjecture 
16  open end  Q & A and open discussion 