'''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

<hr>

'''Schedule'''

{|border="1"
!No
!Date
!Title / Abstract
!Speaker
|-
|1
|20.04.2023
|
|
|-
|2
|27.04.2023 '''12:30'''
|Universality and Examples in the Context of Functorial Semi-Norms (PhD defense)
|Johannes Witzig
|-
|3
|04.05.2023
|
|
|-
|4
|11.05.2023
|
|Hoang Kim Nguyen
|-
|5
|18.05.2023
|holiday
|
|-
|6
|25.05.2023
|[[Separability in homotopical algebra]]
|Maxime Ramzi (Copenhagen)
|-
|7
|01.06.2023
|[[Blow-ups and normal bundles in nonconnective derived geometry]]
|Jeroen Hekking
|-
|8
|08.06.2023
|The Theorem of the Heart
|Giacomo Bertizzolo
|-
|9
|15.06.2023
|
|
|-
|10
|22.06.2023
| [[Shapes and locally constant sheaves]]
| Marc Hoyois
|-
|11
|29.06.2023
|N.N
|Ryomei Iwasa
|-
|12
|06.07.2023
|N.N
|Alexander Efimov
|-
|13
|13.07.2023
|N.N
|Bastiaan Cnossen
|-
|14
|20.07.2023
| (reserved)
|
|-
|}

<hr> <hr> 

'''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

<hr>

'''Schedule'''

{|border="1"
!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)
|}

<hr><hr>

'''previous semester''' (Summer Semester 2022)

'''Schedule'''

{|border="1"
!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)
|}

<hr><hr>

'''previous semester''' (Winter Semester 2021/22)

{|border="1"
!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
| *****
| [http://frenck.net/Math/BGTM/ 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)
|}

Algebraic K-theory of spaces

2023-05-12T08:33:27Z

Rag12843:

Algebraic K-theory of spaces

2023-05-12T08:31:51Z

Rag12843:

Algebraic K-theory of spaces

2023-05-12T08:30:32Z

Rag12843:

Algebraic K-theory of spaces

2023-05-12T08:28:01Z

Rag12843:

Algebraic K-theory of spaces

2023-05-12T08:25:21Z

Rag12843: