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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
Wintersemester 24/25
Schedule
| No | Date | Title / Abstract | Speaker |
|---|---|---|---|
| 1 | 17.10.2024 | (∞,2)-Topoi and descent | Fernando Abellan Garcia (NTNU) |
| 2 | 24.10.2024 | ||
| 3 | 31.10.2024 | The geometric diagonal of the special linear algebraic cobordism | Egor Zolotarev (LMU) |
| 4 | 07.11.2024 | Purity for Algebraic Stacks | Alessandro D'Angelo (KTH) |
| 5 | 14.11.2024 | ||
| 6 | 21.11.2024 | Equivariant aspects of Hochschild homology | Zhouhang Mao (Univ. Amsterdam) |
| 7 | 28.11.2024 | N. N. | Massimo Pippi (Univ. Angers) |
| 8 | 05.12.2024 | Classification of n-connective (2n-2)-truncated spaces | Daniel Exposito (Univ. Copenhagen) |
| 9 | 12.12.2024 | N. N. | Devarshi Mukherjee |
| 10 | 19.12.2024 | ||
| 11 | 09.01.2025 | ||
| 12 | 16.01.2025 | ||
| 13 | 23.01.2025 | ||
| 14 | 30.01.2025 | N.N. | Swann Tubach |
| 15 | 06.02.2025 |
SOMMER Semester 2024
Schedule
| No | Date | Title / Abstract | Speaker |
|---|---|---|---|
| 1 | 18.4.2024 | ||
| 2 | 25.04.2024 | A Functorial Rectification of Finitely Cocomplete ∞-Categories | Benni Ngo |
| 3 | 02.05.2024 | Perverse sheaves and weak Lefschetz theorems | Denis-Charles Cisinski |
| 4 | 09.05.2024 | No Seminar (Christi Himmelfahrt) | |
| 5 | 16.05.2024 | this week, the whole seminar moves to Greifswald | |
| 6 | 23.05.2024 | Grothendieck construction and representation theorem for lax double presheaves | Benedikt Fröhlich |
| 7 | 30.05.2024 | No seminar (Corpus Christi) | |
| 8 | 06.06.2024 | Étale motives of geometric origin | Raphaël Ruimy (Milan) |
| 9 | 13.06.2024 | A general Greenlees-Mays splitting principle | Ivo Dell'Ambrogio (Lille) |
| 10 | 20.06.2024 | Categorical Künneth formulas | Timo Richarz (TU Darmstadt) |
| 11 | 27.06.2024 | Conference | |
| 12 | 04.07.2024 | The tempered dual of reductive symmetric spaces, C*-algebras, and K-theory | Shintaro Nishikawa (Southampton) |
| 13 | 11.07.2024 | N.N | Pelle Steffens (Munich) |
| 14 | 18.07.2024 | Animated λ-rings and Frobenius lifts | Edith Hübner (Münster) |
Winter Semester 2023/24
Schedule
| No | Date | Title / Abstract | Speaker |
|---|---|---|---|
| 1 | 19.10.2023 | On the motivic Adams conjecture | Alexey Ananyevskiy |
| 2 | 26.10.2023 | Dualizable categories and E-Theory | Benjamin Dünzinger/Ulrich Bunke |
| 3 | 02.11.2023 | Dualizable categories and E-Theory-II | Benjamin Dünzinger/Ulrich Bunke |
| 4 | 09.11.2023 | A pro-cdh topology and motivic cohomology of schemes | Shuji Saito |
| 5 | 16.11.2023 | Cohomological invariants of quadrics via Morava motives | Pavel Sechin |
| 6 | 23.11.2023 | Formal category theory within ∞-categorical proarrow equipments | Jaco Ruit |
| 7 | 30.11.2023 | ||
| 8 | 07.12.2023 | Motivic cohomology of mixed characteristic schemes | Tess Bouis |
| 9 | 14.12.2023 | Six-functor formalisms are compactly supported | Josefien Kuijper |
| 10 | 21.12.2023 | Towards a pro-étale homotopy type of schemes | Sebastian wolf |
| 11 | 11.01.2024 | ||
| 12 | 18.01.2024 | Gabber's presentation lemma over a general base | Suraj Yadav |
| 13 | 25.01.2024 | Chow-Lefschetz motives | Bruno Kahn |
| 14 | 01.02.2024 | Topological Modular Forms and supersymmetric quantum field theories | Mayuko Yamashita |
| 15 | 08.02.2024 | Group completion of E_n-spaces and infinite products | Georg Lehner (FU Berlin) |
Summer Semester 2023
Schedule
| 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 | No seminar | |
| 4 | 11.05.2023 | tba | Hoang Kim Nguyen |
| 5 | 18.05.2023 | No seminar (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 | No seminar (holiday) | |
| 9 | 15.06.2023 | The theorem of the heart | Giacomo Bertizzolo |
| 10 | 22.06.2023 | Shapes and locally constant sheaves | Marc Hoyois |
| 11 | 29.06.2023 | Norms and Transfers in Motivic Homotopy Theory | Brian Shin |
| 12 | 06.07.2023 | On the category of localizing motives | Alexander Efimov |
| 13 | 13.07.2023 | Twisted ambidexterity in equivariant homotopy theory | Bastiaan Cnossen |
| 14 | 20.07.2023 | (reserved) |
Winter Semester 22/23
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) |
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) |
Winter Semester 2021/22
Schedule
| 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) |
