Seminarium, Algebra och geometri

Arnab Kundu: Torsors on Valuation Rings

24 jan

Seminarium, Algebra och geometri

tisdag 2023-01-24, 15.15 - 16.15

Medverkande: Arnab Kundu (Paris)

Plats: Zoom

Videolänk: Meeting ID: 652 5601 5501

2023-01-24T15:15:00.000+01:00 2023-01-24T16:15:00.000+01:00 Arnab Kundu: Torsors on Valuation Rings (Seminarium, Algebra och geometri) Zoom (KTH, Stockholm, Sweden)Arnab Kundu: Torsors on Valuation Rings (Seminarium, Algebra och geometri)

Tim Hosgood: Geometry-independent constructions of bundles and sheaves

25 jan

Seminarium, Algebra och geometri

onsdag 2023-01-25, 13.15

Medverkande: Tim Hosgood, SU

Plats: KTH, 3418

2023-01-25T13:15:00.000+01:00 2023-01-25T13:15:00.000+01:00 Tim Hosgood: Geometry-independent constructions of bundles and sheaves (Seminarium, Algebra och geometri) KTH, 3418 (KTH, Stockholm, Sweden)Tim Hosgood: Geometry-independent constructions of bundles and sheaves (Seminarium, Algebra och geometri)

David Kern: Derived geometric Field Theory for orbifold quasimap theory

25 jan

Seminarium, Algebra och geometri

onsdag 2023-01-25, 16.00 - 17.00

Medverkande: David Kern (Montpellier)

Plats: Zoom

Videolänk: Meeting ID: 652 5601 5501

2023-01-25T16:00:00.000+01:00 2023-01-25T17:00:00.000+01:00 David Kern: Derived geometric Field Theory for orbifold quasimap theory (Seminarium, Algebra och geometri) Zoom (KTH, Stockholm, Sweden)David Kern: Derived geometric Field Theory for orbifold quasimap theory (Seminarium, Algebra och geometri)

Samuel Stark: Geometry of Quot schemes

26 jan

Seminarium, Algebra och geometri

torsdag 2023-01-26, 14.00 - 15.00

Medverkande: Samuel Stark (ETH)

Plats: Zoom

Videolänk: Meeting ID: 652 5601 5501

2023-01-26T14:00:00.000+01:00 2023-01-26T15:00:00.000+01:00 Samuel Stark: Geometry of Quot schemes (Seminarium, Algebra och geometri) Zoom (KTH, Stockholm, Sweden)Samuel Stark: Geometry of Quot schemes (Seminarium, Algebra och geometri)

Roman Sauer: Higher property T of arithmetic lattices

8 feb

Seminarium, Algebra och geometri

onsdag 2023-02-08, 13.15

Medverkande: Roman Sauer, Karlsruhe

Plats: KTH, 3418

2023-02-08T13:15:00.000+01:00 2023-02-08T13:15:00.000+01:00 Roman Sauer: Higher property T of arithmetic lattices (Seminarium, Algebra och geometri) KTH, 3418 (KTH, Stockholm, Sweden)Roman Sauer: Higher property T of arithmetic lattices (Seminarium, Algebra och geometri)

Elizabeth Tatum: BP<2>-Cooperations and Brown–Gitler Spectra

15 feb

Seminarium, Algebra och geometri

onsdag 2023-02-15, 13.15

Medverkande: Elizabeth Tatum, SU

Plats: Albano, Cramér room

2023-02-15T13:15:00.000+01:00 2023-02-15T13:15:00.000+01:00 Elizabeth Tatum: BP<2>-Cooperations and Brown–Gitler Spectra (Seminarium, Algebra och geometri) Albano, Cramér room (KTH, Stockholm, Sweden)Elizabeth Tatum: BP<2>-Cooperations and Brown–Gitler Spectra (Seminarium, Algebra och geometri)

Marco D'Anna: Almost Gorenstein rings and further generalizations: the one-dimensional case

1 mar

Seminarium, Algebra och geometri

onsdag 2023-03-01, 13.15

Medverkande: Marco D'Anna, Catania

Plats: Albano, Cramér room

2023-03-01T13:15:00.000+01:00 2023-03-01T13:15:00.000+01:00 Marco D'Anna: Almost Gorenstein rings and further generalizations: the one-dimensional case (Seminarium, Algebra och geometri) Albano, Cramér room (KTH, Stockholm, Sweden)Marco D'Anna: Almost Gorenstein rings and further generalizations: the one-dimensional case (Seminarium, Algebra och geometri)

Dhyan Aranha: Cosection localization in derived algebraic geometry

15 mar

Seminarium, Algebra och geometri

onsdag 2023-03-15, 13.15

Medverkande: Dhyan Aranha, Essen

Plats: Albano, Cramér room

2023-03-15T13:15:00.000+01:00 2023-03-15T13:15:00.000+01:00 Dhyan Aranha: Cosection localization in derived algebraic geometry (Seminarium, Algebra och geometri) Albano, Cramér room (KTH, Stockholm, Sweden)Dhyan Aranha: Cosection localization in derived algebraic geometry (Seminarium, Algebra och geometri)

Jasper van de Kreeke: Deformed mirror symmetry for punctured surfaces

22 mar

Seminarium, Algebra och geometri

onsdag 2023-03-22, 13.15

Medverkande: Jasper van de Kreeke, Amsterdam

Plats: KTH, 3418

2023-03-22T13:15:00.000+01:00 2023-03-22T13:15:00.000+01:00 Jasper van de Kreeke: Deformed mirror symmetry for punctured surfaces (Seminarium, Algebra och geometri) KTH, 3418 (KTH, Stockholm, Sweden)Jasper van de Kreeke: Deformed mirror symmetry for punctured surfaces (Seminarium, Algebra och geometri)

Arkadij Bojko: Equivariant Segre and Verlinde series for Quot-schemes

29 mar

Seminarium, Algebra och geometri

onsdag 2023-03-29, 11.00 - 12.00

Medverkande: Arkadij Bojko, ETH

Plats: Albano, Cramér room

2023-03-29T11:00:00.000+02:00 2023-03-29T12:00:00.000+02:00 Arkadij Bojko: Equivariant Segre and Verlinde series for Quot-schemes (Seminarium, Algebra och geometri) Albano, Cramér room (KTH, Stockholm, Sweden)Arkadij Bojko: Equivariant Segre and Verlinde series for Quot-schemes (Seminarium, Algebra och geometri)

Dusan Dragutinovic: Supersingular curves of genus 4 in characteristic 2

29 mar

Seminarium, Algebra och geometri

onsdag 2023-03-29, 13.15

Medverkande: Dusan Dragutinovic, Utrecht

Plats: Albano, Cramér room

2023-03-29T13:15:00.000+02:00 2023-03-29T13:15:00.000+02:00 Dusan Dragutinovic: Supersingular curves of genus 4 in characteristic 2 (Seminarium, Algebra och geometri) Albano, Cramér room (KTH, Stockholm, Sweden)Dusan Dragutinovic: Supersingular curves of genus 4 in characteristic 2 (Seminarium, Algebra och geometri)

Samir Canning: The Gorenstein question and Pixton's conjecture

5 apr

Seminarium, Algebra och geometri

onsdag 2023-04-05, 13.15

Medverkande: Samir Canning, ETH

Plats: KTH, 3418

2023-04-05T13:15:00.000+02:00 2023-04-05T13:15:00.000+02:00 Samir Canning: The Gorenstein question and Pixton's conjecture (Seminarium, Algebra och geometri) KTH, 3418 (KTH, Stockholm, Sweden)Samir Canning: The Gorenstein question and Pixton's conjecture (Seminarium, Algebra och geometri)

Viveka Erlandsson: Counting geodesics on surfaces

12 apr

Seminarium, Algebra och geometri

onsdag 2023-04-12, 13.15

Medverkande: Viveka Erlandsson, Bristol

Plats: Albano, Cramér room

2023-04-12T13:15:00.000+02:00 2023-04-12T13:15:00.000+02:00 Viveka Erlandsson: Counting geodesics on surfaces (Seminarium, Algebra och geometri) Albano, Cramér room (KTH, Stockholm, Sweden)Viveka Erlandsson: Counting geodesics on surfaces (Seminarium, Algebra och geometri)

Arnab Kundu: Tilting correspondences of perfectoid rings

19 apr

Seminarium, Algebra och geometri

onsdag 2023-04-19, 13.15

Medverkande: Arnab Kundu, Paris

Plats: KTH, 3418

2023-04-19T13:15:00.000+02:00 2023-04-19T13:15:00.000+02:00 Arnab Kundu: Tilting correspondences of perfectoid rings (Seminarium, Algebra och geometri) KTH, 3418 (KTH, Stockholm, Sweden)Arnab Kundu: Tilting correspondences of perfectoid rings (Seminarium, Algebra och geometri)

Emanuel Reinecke: Unipotent homotopy theory of schemes

26 apr

Seminarium, Algebra och geometri

onsdag 2023-04-26, 13.15

Medverkande: Emanuel Reinecke, MPIM Bonn

Plats: Albano, Cramér room

2023-04-26T13:15:00.000+02:00 2023-04-26T13:15:00.000+02:00 Emanuel Reinecke: Unipotent homotopy theory of schemes (Seminarium, Algebra och geometri) Albano, Cramér room (KTH, Stockholm, Sweden)Emanuel Reinecke: Unipotent homotopy theory of schemes (Seminarium, Algebra och geometri)

Magnus Carlson: Class groups and Massey products

3 maj

Seminarium, Algebra och geometri

onsdag 2023-05-03, 13.15 - 14.15

Medverkande: Magnus Carlson, SU

Plats: KTH, 3418

2023-05-03T13:15:00.000+02:00 2023-05-03T14:15:00.000+02:00 Magnus Carlson: Class groups and Massey products (Seminarium, Algebra och geometri) KTH, 3418 (KTH, Stockholm, Sweden)Magnus Carlson: Class groups and Massey products (Seminarium, Algebra och geometri)

Georg Oberdieck: Curve counting on the Enriques surface and Borcherds automorphic form

10 maj

Seminarium, Algebra och geometri

onsdag 2023-05-10, 13.15 - 14.15

Medverkande: Georg Oberdieck, KTH

Plats: Albano, Cramér room

2023-05-10T13:15:00.000+02:00 2023-05-10T14:15:00.000+02:00 Georg Oberdieck: Curve counting on the Enriques surface and Borcherds automorphic form (Seminarium, Algebra och geometri) Albano, Cramér room (KTH, Stockholm, Sweden)Georg Oberdieck: Curve counting on the Enriques surface and Borcherds automorphic form (Seminarium, Algebra och geometri)

Rahul Pandharipande: Cycles on the moduli space A_g of abelian varieties

17 maj

Seminarium, Algebra och geometri

onsdag 2023-05-17, 13.15 - 14.15

Medverkande: Rahul Pandharipande, ETH Zurich

Plats: KTH, 3418

2023-05-17T13:15:00.000+02:00 2023-05-17T14:15:00.000+02:00 Rahul Pandharipande: Cycles on the moduli space A_g of abelian varieties (Seminarium, Algebra och geometri) KTH, 3418 (KTH, Stockholm, Sweden)Rahul Pandharipande: Cycles on the moduli space A_g of abelian varieties (Seminarium, Algebra och geometri)

Brandon Williams: Modular products that are singular modulo primes

7 jun

Seminarium, Algebra och geometri

onsdag 2023-06-07, 13.15

Medverkande: Brandon Williams, RWTH Aachen

Plats: Albano, Cramér room

2023-06-07T13:15:00.000+02:00 2023-06-07T13:15:00.000+02:00 Brandon Williams: Modular products that are singular modulo primes (Seminarium, Algebra och geometri) Albano, Cramér room (KTH, Stockholm, Sweden)Brandon Williams: Modular products that are singular modulo primes (Seminarium, Algebra och geometri)

Louis Hainaut: A classifying space for the handlebody mapping class group

30 aug

Seminarium, Algebra och geometri

onsdag 2023-08-30, 13.15

Medverkande: Louis Hainaut, Stockholm University

Plats: Albano, Cramér room

2023-08-30T13:15:00.000+02:00 2023-08-30T13:15:00.000+02:00 Louis Hainaut: A classifying space for the handlebody mapping class group (Seminarium, Algebra och geometri) Albano, Cramér room (KTH, Stockholm, Sweden)Louis Hainaut: A classifying space for the handlebody mapping class group (Seminarium, Algebra och geometri)

Denis Nesterov: Enumerative mirror symmetry for moduli spaces of Higgs bundles

14 sep

Seminarium, Algebra och geometri

torsdag 2023-09-14, 13.15

Medverkande: Denis Nesterov, Vienna

Plats: Albano, Cramér room

2023-09-14T13:15:00.000+02:00 2023-09-14T13:15:00.000+02:00 Denis Nesterov: Enumerative mirror symmetry for moduli spaces of Higgs bundles (Seminarium, Algebra och geometri) Albano, Cramér room (KTH, Stockholm, Sweden)Denis Nesterov: Enumerative mirror symmetry for moduli spaces of Higgs bundles (Seminarium, Algebra och geometri)

Tilman Bauer: Topological Jacobi Forms

20 sep

Seminarium, Algebra och geometri

onsdag 2023-09-20, 13.15

Medverkande: Tilman Bauer, KTH

Plats: KTH, 3418

2023-09-20T13:15:00.000+02:00 2023-09-20T13:15:00.000+02:00 Tilman Bauer: Topological Jacobi Forms (Seminarium, Algebra och geometri) KTH, 3418 (KTH, Stockholm, Sweden)Tilman Bauer: Topological Jacobi Forms (Seminarium, Algebra och geometri)

Doosung Park: Motivic six-functor formalism for log scheme

27 sep

Seminarium, Algebra och geometri

onsdag 2023-09-27, 13.15

Medverkande: Doosung Park, Wuppertal

Plats: Albano, Cramér room

2023-09-27T13:15:00.000+02:00 2023-09-27T13:15:00.000+02:00 Doosung Park: Motivic six-functor formalism for log scheme (Seminarium, Algebra och geometri) Albano, Cramér room (KTH, Stockholm, Sweden)Doosung Park: Motivic six-functor formalism for log scheme (Seminarium, Algebra och geometri)

Alice Hedenlund: Twisted Spectra

4 okt

Seminarium, Algebra och geometri

onsdag 2023-10-04, 13.15 - 14.15

Medverkande: Alice Hedenlund (Uppsala)

Plats: KTH, 3418

2023-10-04T13:15:00.000+02:00 2023-10-04T14:15:00.000+02:00 Alice Hedenlund: Twisted Spectra (Seminarium, Algebra och geometri) KTH, 3418 (KTH, Stockholm, Sweden)Alice Hedenlund: Twisted Spectra (Seminarium, Algebra och geometri)

Gregory G. Smith: Sums of squares on surfaces

18 okt

Seminarium, Algebra och geometri

onsdag 2023-10-18, 13.15 - 14.15

Medverkande: Gregory G. Smith (Queen's university)

Plats: KTH, 3418

2023-10-18T13:15:00.000+02:00 2023-10-18T14:15:00.000+02:00 Gregory G. Smith: Sums of squares on surfaces (Seminarium, Algebra och geometri) KTH, 3418 (KTH, Stockholm, Sweden)Gregory G. Smith: Sums of squares on surfaces (Seminarium, Algebra och geometri)

Renée Hoekzema: Cut and paste invariants of manifolds via algebraic K-theory

25 okt

Seminarium, Algebra och geometri

onsdag 2023-10-25, 13.15 - 14.15

Medverkande: Renée Hoekzema, VU Amsterdam

Plats: Albano, Cramér room

2023-10-25T13:15:00.000+02:00 2023-10-25T14:15:00.000+02:00 Renée Hoekzema: Cut and paste invariants of manifolds via algebraic K-theory (Seminarium, Algebra och geometri) Albano, Cramér room (KTH, Stockholm, Sweden)Renée Hoekzema: Cut and paste invariants of manifolds via algebraic K-theory (Seminarium, Algebra och geometri)

Alessandro D'Angelo: Localisation Theorems in Motivic Homotopy Theory

1 nov

Seminarium, Algebra och geometri

onsdag 2023-11-01, 13.15 - 14.15

Medverkande: Alessandro D'Angelo, KTH

Plats: KTH, 3418

2023-11-01T13:15:00.000+01:00 2023-11-01T14:15:00.000+01:00 Alessandro D'Angelo: Localisation Theorems in Motivic Homotopy Theory (Seminarium, Algebra och geometri) KTH, 3418 (KTH, Stockholm, Sweden)Alessandro D'Angelo: Localisation Theorems in Motivic Homotopy Theory (Seminarium, Algebra och geometri)

Mattias Jonsson: Base loci of linear series and non-Archimedean Monge–Ampère equations

8 nov

Seminarium, Algebra och geometri

onsdag 2023-11-08, 13.15 - 14.15

Medverkande: Mattias Jonsson, University of Michigan

Plats: Albano, Cramér room

2023-11-08T13:15:00.000+01:00 2023-11-08T14:15:00.000+01:00 Mattias Jonsson: Base loci of linear series and non-Archimedean Monge–Ampère equations (Seminarium, Algebra och geometri) Albano, Cramér room (KTH, Stockholm, Sweden)Mattias Jonsson: Base loci of linear series and non-Archimedean Monge–Ampère equations (Seminarium, Algebra och geometri)

Ran Azouri: Enumerating motivic nearby cycles

22 nov

Seminarium, Algebra och geometri

onsdag 2023-11-22, 13.15 - 14.15

Medverkande: Ran Azouri (Université Sorbonne Paris Nord)

Plats: Albano, Cramér room

2023-11-22T13:15:00.000+01:00 2023-11-22T14:15:00.000+01:00 Ran Azouri: Enumerating motivic nearby cycles (Seminarium, Algebra och geometri) Albano, Cramér room (KTH, Stockholm, Sweden)Ran Azouri: Enumerating motivic nearby cycles (Seminarium, Algebra och geometri)

Michael Stillman: The combinatorial structure of Quot schemes on projective space: which are smooth?

29 nov

Seminarium, Algebra och geometri

onsdag 2023-11-29, 13.15 - 14.15

Medverkande: Michael Stillman, Cornell/KTH

Plats: KTH, 3418

2023-11-29T13:15:00.000+01:00 2023-11-29T14:15:00.000+01:00 Michael Stillman: The combinatorial structure of Quot schemes on projective space: which are smooth? (Seminarium, Algebra och geometri) KTH, 3418 (KTH, Stockholm, Sweden)Michael Stillman: The combinatorial structure of Quot schemes on projective space: which are smooth? (Seminarium, Algebra och geometri)

Wei Ping Li: A road map to Gromov-Witten invariants on Calabi–Yau quintic threefold

6 dec

Seminarium, Algebra och geometri

onsdag 2023-12-06, 13.15 - 14.15

Medverkande: Wei Ping Li (Hong Kong)

Plats: Albano, Cramér room

2023-12-06T13:15:00.000+01:00 2023-12-06T14:15:00.000+01:00 Wei Ping Li: A road map to Gromov-Witten invariants on Calabi–Yau quintic threefold (Seminarium, Algebra och geometri) Albano, Cramér room (KTH, Stockholm, Sweden)Wei Ping Li: A road map to Gromov-Witten invariants on Calabi–Yau quintic threefold (Seminarium, Algebra och geometri)

Gunther Cornelissen: Dynamics in algebraic groups and cellular automata

20 dec

Seminarium, Algebra och geometri

onsdag 2023-12-20, 13.15 - 14.15

Medverkande: Gunther Cornelissen (Utrecht)

Plats: Cramerroom, Albano

2023-12-20T13:15:00.000+01:00 2023-12-20T14:15:00.000+01:00 Gunther Cornelissen: Dynamics in algebraic groups and cellular automata (Seminarium, Algebra och geometri) Cramerroom, Albano (KTH, Stockholm, Sweden)Gunther Cornelissen: Dynamics in algebraic groups and cellular automata (Seminarium, Algebra och geometri)