University of Regensburg
Faculty of Mathematics
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AG Seminar SummerSemester 23


Description: The aim of the Seminar is to present and discuss recent results in research areas from Homotopy Theory and K-theory to Global Analysis.


Time and place: Thursday 12-14, SFB Lecture Hall.

Zoom Link: https://uni-regensburg.zoom.us/j/7601042838?pwd=bUVEaHhuY01abmo4T3Fza1NZMEVNUT09


Schedule

No Date Title / Abstract Speaker
1 20.04.2023
2 27.10.2023 tba (PhD defense) J. Witzig
3 04.05.2023
4 11.05.2023
5 18.15.2023 holyday
6 25.05.2023
7 01.06.2023
8 08.06.2023
9 15.06.2023
10 22.06.2023
11 29.06.2023
12 06.06.2023
13 13.07.2023
14 20.07.2023






AG Seminar WinterSemester 22/23


Time and place: Thursday 12-14, SFB Lecture Hall.

Zoom Link: https://uni-regensburg.zoom.us/j/7601042838?pwd=bUVEaHhuY01abmo4T3Fza1NZMEVNUT09


Schedule

No Date Title / Abstract Speaker
1 20.10.2022 Model categories for o-minimal geometry Reid Barton (Univ. Freiburg)
2 27.10.2022
3 03.11.2022 [online] The reductive Borel-Serre compactification as a model for unstable algebraic K-theory Mikala Ørsnes Jansen (Copenhagen)
4 10.11.2022 Traces and categorification Bastiaan Cnossen (Bonn)
5 17.11.2022 no seminar
6 24.11.2022 Cut and paste invariants of manifolds via K-theory Julia Semikina (Münster)
7 01.12.2022 Discussion on Duality and Transfer I: Becker-Gottlieb transfer, Atiyah-Duality and A-theory transfer Bunke/Winges/Raptis
8 08.12.2022 Discussion on Duality and Transfer II: Fibrewise duality and transfer, functoriality N.N
9 15.12.2022 Unipotent homotopy theory of schemes Shubhodip Mondal (MPIM Bonn)
10 22.12.2023 The stable cohomology of symplectic groups of the integers Fabian Hebestreit (Aberdeen)
11 12.01.2023 The logic of étale maps Mathieu Anel (Carnegie Mellon University)
12 19.01.2023 Decoupling Moduli of Configurations Spaces on Surfaces Luciana Basualdo Bonatto (MPIM Bonn)
13 26.01.2023 The K_2-analogue of Bass-Quillen conjecture and A1-fundamental groups of Chevalley groups. Sergey Sinchuk (Munich, JetBrains GmbH)
14 02.02.2023 Genuine equivariant hermitian K-theory for finite groups Kaif Hilman (MPIM Bonn)
15 09.02.2023 Proper morphisms of infinity topoi Louis Martini (NTNU Trondheim)







previous semester (Summer Semester 2022)




Schedule

No Date Title / Abstract Speaker
1 28.04.2022 Devissage in algebraic K-theory (0) George Raptis
2 05.05.2022 Devissage in algebraic K-theory (1) Marco Volpe
3 12.05.2022
4 19.05.2022 [online] Universal cohomology theories Luca Barbieri Viale (Milan)
5 26.05.2022 Christi-Himmelfahrt -
6 02.06.2022 Cdh motivic cohomology via prisms E. Elmanto (Harvard)
7 09.06.2022 [online] Exponential periods and o-minimality Johan Commelin (Freiburg)
8 16.06.2022 Fronleichnam -
9 23.06.2022 Excisive Approximation of l^1-Homology J. Witzig (Regensburg)
10 30.06.2022
11 07.07.2022 Posets for which Verdier duality holds Ko Aoki (MPIM Bonn)
12 14.07.2022 Synthetic (∞,1)-category theory in simplicial homotopy type theory Jonathan Weinberger (Johns Hopkins University)
13 21.07.2022 Artin motivic tensor-triangular geometry Martin Gallauer (MPIM Bonn)
14 28.07.2022 X. Bavarian Geometry & Topology Meeting (Augsburg)







previous semester (Winter Semester 2021/22)


No Date Title / Abstract Speaker
1 21.10.2021 Derived microlocal sheaf theory Adeel Khan (Academia Sinica)
2 28.10.2021
3 4.11.2021 Bounded cohomology and homotopy colimits George Raptis
4 11.11.2021 Filter Quotient ∞-Categories Nima Rasekh (EPFL)
5 18.11.2021 ***** SFB Meeting in Windberg
6 25.11.2021 Quadratic enrichments of enumerative counts using Atiyah-Bott localization Sabrina Pauli (Duisburg-Essen)
7 2.12.2021 The Chow t-structure on the ∞-category of motivic spectra Tom Bachmann (LMU)
8 9.12.2021 G-global homotopy theory and algebraic K-theory Tobias Lenz (Bonn)
9 16.12.2021 ***** 9th Bavarian Geometry & Topology Meeting
10 13.1.2022 cancelled
11 20.1.2022 Topological Fukaya categories of symmetric powers Tobias Dyckerhoff (Hamburg)
12 27.1.2022 Unstraightening for Segal spaces Joost Nuiten (Toulouse)
13 3.2.2022 Polynomial monads, Grothendieck homotopy theory and delooping of spaces of long knots Michael Batanin (Prague)
14 10.2.2022 Homotopy links and stratified homotopy theories Sylvain Douteau (Stockholm)
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