Seminar, Algebra & Geometry
Tue 18 February - Wed 31 December
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Seminar, Algebra & Geometry
Wednesday 2025-02-19, 13:15 - 14:15
Participating: Eric Ahlqvist (SU)
Location: KTH 3418
2025-02-19T13:15:00.000+01:00 2025-02-19T14:15:00.000+01:00 Eric Ahlqvist: Massey products and class field towers (Seminar, Algebra & Geometry) KTH 3418 (KTH, Stockholm, Sweden)Eric Ahlqvist: Massey products and class field towers (Seminar, Algebra & Geometry) -
Seminar, Algebra & Geometry
Wednesday 2025-02-26, 13:15 - 14:15
Participating: Ezra Getzler (Northwestern University and Uppsala University)
Location: Albano, Cramér room
2025-02-26T13:15:00.000+01:00 2025-02-26T14:15:00.000+01:00 Ezra Getzler: The Gauss-Manin connection in noncommutative geometry (Seminar, Algebra & Geometry) Albano, Cramér room (KTH, Stockholm, Sweden)Ezra Getzler: The Gauss-Manin connection in noncommutative geometry (Seminar, Algebra & Geometry) -
Seminar, Algebra & Geometry
Wednesday 2025-03-05, 13:15 - 14:15
Participating: Jonas Stelzig (LMU Munich)
Location: KTH 3418
2025-03-05T13:15:00.000+01:00 2025-03-05T14:15:00.000+01:00 Jonas Stelzig: Holomorphic triple products on toric, compact homogeneous Kähler, and Calabi Yau manifolds (Seminar, Algebra & Geometry) KTH 3418 (KTH, Stockholm, Sweden)Jonas Stelzig: Holomorphic triple products on toric, compact homogeneous Kähler, and Calabi Yau manifolds (Seminar, Algebra & Geometry) -
Seminar, Algebra & Geometry
Wednesday 2025-03-12, 13:15 - 14:15
Participating: Dan Petersen (SU)
Location: Albano, Cramér room
2025-03-12T13:15:00.000+01:00 2025-03-12T14:15:00.000+01:00 Dan Petersen: The handlebody mapping class group is a virtual duality group (Seminar, Algebra & Geometry) Albano, Cramér room (KTH, Stockholm, Sweden)Dan Petersen: The handlebody mapping class group is a virtual duality group (Seminar, Algebra & Geometry) -
Seminar, Algebra & Geometry
Wednesday 2025-03-19, 13:15 - 14:15
Participating: Domenico Fiorenza (La Sapienza University of Rome)
Location: KTH 3418
2025-03-19T13:15:00.000+01:00 2025-03-19T14:15:00.000+01:00 Domenico Fiorenza: Integrals detecting degree 3 string cobordism classes (Seminar, Algebra & Geometry) KTH 3418 (KTH, Stockholm, Sweden)Domenico Fiorenza: Integrals detecting degree 3 string cobordism classes (Seminar, Algebra & Geometry) -
Seminar, Algebra & Geometry
Wednesday 2025-04-02, 13:15 - 14:15
Participating: Roberto Pirisi (University of Naples)
Location: KTH, 3418
2025-04-02T13:15:00.000+02:00 2025-04-02T14:15:00.000+02:00 Roberto Pirisi: Brauer groups of moduli problems via enumerative geometry (Seminar, Algebra & Geometry) KTH, 3418 (KTH, Stockholm, Sweden)Roberto Pirisi: Brauer groups of moduli problems via enumerative geometry (Seminar, Algebra & Geometry) -
Seminar, Algebra & Geometry
Wednesday 2025-04-09, 13:15 - 14:15
Participating: Luca Terenzi (ENS de Lyon)
Location: Albano, Cramér room
2025-04-09T13:15:00.000+02:00 2025-04-09T14:15:00.000+02:00 Luca Terenzi: The six functor formalism for perverse Nori motives (Seminar, Algebra & Geometry) Albano, Cramér room (KTH, Stockholm, Sweden)Luca Terenzi: The six functor formalism for perverse Nori motives (Seminar, Algebra & Geometry) -
Seminar, Algebra & Geometry
Wednesday 2025-04-16, 13:15 - 14:15
Participating: David Rydh (KTH)
Location: KTH, 3418
2025-04-16T13:15:00.000+02:00 2025-04-16T14:15:00.000+02:00 David Rydh: Functorial flatification by blow-ups (Seminar, Algebra & Geometry) KTH, 3418 (KTH, Stockholm, Sweden)David Rydh: Functorial flatification by blow-ups (Seminar, Algebra & Geometry) -
Seminar, Algebra & Geometry
Wednesday 2025-04-23, 13:15 - 14:15
Participating: Siddarth Kannan (MIT)
Location: Albano, Cramér room
2025-04-23T13:15:00.000+02:00 2025-04-23T14:15:00.000+02:00 Siddarth Kannan: Pólya–Petersen theory for moduli spaces of curves and maps (Seminar, Algebra & Geometry) Albano, Cramér room (KTH, Stockholm, Sweden)Siddarth Kannan: Pólya–Petersen theory for moduli spaces of curves and maps (Seminar, Algebra & Geometry) -
Seminar, Algebra & Geometry
Wednesday 2025-05-07, 13:15 - 14:15
Participating: Shin Hattori (Tokyo City University)
Location: Albano, Cramér room
2025-05-07T13:15:00.000+02:00 2025-05-07T14:15:00.000+02:00 Shin Hattori: D-elliptic sheaves and the Hasse principle (Seminar, Algebra & Geometry) Albano, Cramér room (KTH, Stockholm, Sweden)Shin Hattori: D-elliptic sheaves and the Hasse principle (Seminar, Algebra & Geometry) -
Seminar, Algebra & Geometry
Wednesday 2025-05-21, 13:15 - 14:15
Participating: Leonardo Patimo (Pisa)
Location: Albano, Cramér room
2025-05-21T13:15:00.000+02:00 2025-05-21T14:15:00.000+02:00 Leonardo Patimo: Atomic Decompositions in Hecke Algebras and Crystal Graphs (Seminar, Algebra & Geometry) Albano, Cramér room (KTH, Stockholm, Sweden)Leonardo Patimo: Atomic Decompositions in Hecke Algebras and Crystal Graphs (Seminar, Algebra & Geometry) -
Chirantan Chowdhury: Abstract Six-Functor Formalisms and Motivic Homotopy Theory of Algebraic Stacks
Seminar, Algebra & Geometry
Wednesday 2025-05-28, 13:15 - 14:15
Participating: Chirantan Chowdhury (Darmstadt)
Location: KTH, 3418
2025-05-28T13:15:00.000+02:00 2025-05-28T14:15:00.000+02:00 Chirantan Chowdhury: Abstract Six-Functor Formalisms and Motivic Homotopy Theory of Algebraic Stacks (Seminar, Algebra & Geometry) KTH, 3418 (KTH, Stockholm, Sweden)Chirantan Chowdhury: Abstract Six-Functor Formalisms and Motivic Homotopy Theory of Algebraic Stacks (Seminar, Algebra & Geometry) -
Seminar, Algebra & Geometry
Wednesday 2025-06-18, 13:15 - 14:15
Participating: Marion Jeannin (SU)
Location: Albano, Cramér room
2025-06-18T13:15:00.000+02:00 2025-06-18T14:15:00.000+02:00 Marion Jeannin: On smooth integration of p-nilpotent Lie algebras in positive characteristic (Seminar, Algebra & Geometry) Albano, Cramér room (KTH, Stockholm, Sweden)Marion Jeannin: On smooth integration of p-nilpotent Lie algebras in positive characteristic (Seminar, Algebra & Geometry) -
Seminar, Algebra & Geometry
Wednesday 2025-09-03, 13:15 - 14:15
Participating: Josefien Kuijper (University of Toronto)
Location: KTH, 3418
2025-09-03T13:15:00.000+02:00 2025-09-03T14:15:00.000+02:00 Josefien Kuijper: Spherical scissors congruence as spectral Hopf algebra (Seminar, Algebra & Geometry) KTH, 3418 (KTH, Stockholm, Sweden)Josefien Kuijper: Spherical scissors congruence as spectral Hopf algebra (Seminar, Algebra & Geometry) -
Seminar, Algebra & Geometry
Wednesday 2025-09-10, 13:15 - 14:15
Participating: Aleksander Shmakov (SU)
Location: Albano, Cramér room
2025-09-10T13:15:00.000+02:00 2025-09-10T14:15:00.000+02:00 Aleksander Shmakov: Towards mixed motivic L-functions and conjectures beyond Beilinson (Seminar, Algebra & Geometry) Albano, Cramér room (KTH, Stockholm, Sweden)Aleksander Shmakov: Towards mixed motivic L-functions and conjectures beyond Beilinson (Seminar, Algebra & Geometry) -
Seminar, Algebra & Geometry
Monday 2025-09-15, 13:15 - 14:15
Participating: Richárd Rimányi (UNC Chapel Hill)
Location: Albano, Cramér room
2025-09-15T13:15:00.000+02:00 2025-09-15T14:15:00.000+02:00 Richárd Rimányi: 3d mirror symmetry in (elliptic) enumerative geometry (Seminar, Algebra & Geometry) Albano, Cramér room (KTH, Stockholm, Sweden)Richárd Rimányi: 3d mirror symmetry in (elliptic) enumerative geometry (Seminar, Algebra & Geometry) -
Seminar, Algebra & Geometry
Friday 2025-09-19, 10:15 - 11:15
Participating: Fred Diamond (King's College London)
Location: Albano, Kovalevsky room
2025-09-19T10:15:00.000+02:00 2025-09-19T11:15:00.000+02:00 Fred Diamond: Effective and minimal cones of weights for Hilbert modular forms (Seminar, Algebra & Geometry) Albano, Kovalevsky room (KTH, Stockholm, Sweden)Fred Diamond: Effective and minimal cones of weights for Hilbert modular forms (Seminar, Algebra & Geometry) -
Seminar, Algebra & Geometry
Wednesday 2025-10-01, 13:15 - 14:15
Participating: Thomas Wennink (SU)
Location: KTH, 3418
2025-10-01T13:15:00.000+02:00 2025-10-01T14:15:00.000+02:00 Thomas Wennink: Weight graded pieces of the cohomology of moduli spaces of pointed smooth curves (Seminar, Algebra & Geometry) KTH, 3418 (KTH, Stockholm, Sweden)Thomas Wennink: Weight graded pieces of the cohomology of moduli spaces of pointed smooth curves (Seminar, Algebra & Geometry) -
Seminar, Algebra & Geometry
Wednesday 2025-10-08, 13:15 - 14:15
Location: SU, Cramér room
2025-10-08T13:15:00.000+02:00 2025-10-08T14:15:00.000+02:00 Mayuko Yamashita: A merger of elliptic cohomology and global categorical symmetries (Seminar, Algebra & Geometry) SU, Cramér room (KTH, Stockholm, Sweden)Mayuko Yamashita: A merger of elliptic cohomology and global categorical symmetries (Seminar, Algebra & Geometry) -
Seminar, Algebra & Geometry
Wednesday 2025-10-15, 13:15 - 14:15
Participating: Ilya Smirnov (BCAM)
Location: KTH, 3418
2025-10-15T13:15:00.000+02:00 2025-10-15T14:15:00.000+02:00 Ilya Smirnov: Singularities of square-free supported polynomials (Seminar, Algebra & Geometry) KTH, 3418 (KTH, Stockholm, Sweden)Ilya Smirnov: Singularities of square-free supported polynomials (Seminar, Algebra & Geometry) -
Seminar, Algebra & Geometry
Wednesday 2025-10-22, 13:15 - 14:15
Participating: Eric Ahlqvist (SU)
Location: SU, Cramér room
2025-10-22T13:15:00.000+02:00 2025-10-22T14:15:00.000+02:00 Eric Ahlqvist: Wild Stacky Modifications (Seminar, Algebra & Geometry) SU, Cramér room (KTH, Stockholm, Sweden)Eric Ahlqvist: Wild Stacky Modifications (Seminar, Algebra & Geometry) -
Seminar, Algebra & Geometry
Wednesday 2025-10-29, 13:15 - 14:15
Participating: Olivier Taïbi (Lyon)
Location: KTH, 3418
2025-10-29T13:15:00.000+01:00 2025-10-29T14:15:00.000+01:00 Olivier Taïbi: Unimodular lattices and the cuspidal cohomology of GL_n(Z) (Seminar, Algebra & Geometry) KTH, 3418 (KTH, Stockholm, Sweden)Olivier Taïbi: Unimodular lattices and the cuspidal cohomology of GL_n(Z) (Seminar, Algebra & Geometry) -
Seminar, Algebra & Geometry
Wednesday 2025-11-05, 13:15 - 14:15
Participating: Séverin Philip (SU)
Location: SU, Cramér room
2025-11-05T13:15:00.000+01:00 2025-11-05T14:15:00.000+01:00 Séverin Philip: The obstruction to semi-stable reduction for abelian varieties (Seminar, Algebra & Geometry) SU, Cramér room (KTH, Stockholm, Sweden)Séverin Philip: The obstruction to semi-stable reduction for abelian varieties (Seminar, Algebra & Geometry) -
Seminar, Algebra & Geometry
Wednesday 2025-11-12, 13:15 - 14:15
Participating: Ville Nordström (Aarhus)
Location: KTH, 3418
2025-11-12T13:15:00.000+01:00 2025-11-12T14:15:00.000+01:00 Ville Nordström: A decomposition theorem for the Hochschild homology of symmetric powers of dg categories (Seminar, Algebra & Geometry) KTH, 3418 (KTH, Stockholm, Sweden)Ville Nordström: A decomposition theorem for the Hochschild homology of symmetric powers of dg categories (Seminar, Algebra & Geometry) -
Seminar, Algebra & Geometry
Wednesday 2025-11-19, 13:15 - 14:15
Participating: Jeroen Hekking (Regensburg)
Location: SU, Cramér room
2025-11-19T13:15:00.000+01:00 2025-11-19T14:15:00.000+01:00 Jeroen Hekking: On ideals in derived geometries (Seminar, Algebra & Geometry) SU, Cramér room (KTH, Stockholm, Sweden)Jeroen Hekking: On ideals in derived geometries (Seminar, Algebra & Geometry) -
Seminar, Algebra & Geometry
Tuesday 2025-11-25, 13:15 - 14:15
Participating: Georg Oberdieck (Heidelberg / KTH)
Location: SU, Cramér room
2025-11-25T13:15:00.000+01:00 2025-11-25T14:15:00.000+01:00 Georg Oberdieck: Gromov–Witten theory of K3 surfaces (Seminar, Algebra & Geometry) SU, Cramér room (KTH, Stockholm, Sweden)Georg Oberdieck: Gromov–Witten theory of K3 surfaces (Seminar, Algebra & Geometry) -
Seminar, Algebra & Geometry
Wednesday 2025-11-26, 13:15 - 14:15
Participating: Solomiya Mizyuk (SISSA)
Location: KTH, 3418
2025-11-26T13:15:00.000+01:00 2025-11-26T14:15:00.000+01:00 Solomiya Mizyuk: Virtual invariants of Quot schemes of points on threefolds (Seminar, Algebra & Geometry) KTH, 3418 (KTH, Stockholm, Sweden)Solomiya Mizyuk: Virtual invariants of Quot schemes of points on threefolds (Seminar, Algebra & Geometry) -
Seminar, Algebra & Geometry
Wednesday 2025-12-10, 10:00 - 11:00
Participating: Alexei Piskunov (Technion)
Location: SU, Cramér room
2025-12-10T10:00:00.000+01:00 2025-12-10T11:00:00.000+01:00 Alexei Piskunov: Geometry of Relative Compactified Jacobians on Bielliptic Surfaces (Seminar, Algebra & Geometry) SU, Cramér room (KTH, Stockholm, Sweden)Alexei Piskunov: Geometry of Relative Compactified Jacobians on Bielliptic Surfaces (Seminar, Algebra & Geometry) -
Seminar, Algebra & Geometry
Wednesday 2025-12-10, 13:15 - 14:15
Participating: Howard Nuer (Technion)
Location: KTH, 3418
2025-12-10T13:15:00.000+01:00 2025-12-10T14:15:00.000+01:00 Howard Nuer: The Weak Brill–Noether Problem on Abelian surfaces (Seminar, Algebra & Geometry) KTH, 3418 (KTH, Stockholm, Sweden)Howard Nuer: The Weak Brill–Noether Problem on Abelian surfaces (Seminar, Algebra & Geometry) -
Seminar, Algebra & Geometry
Wednesday 2025-12-17, 13:15 - 14:15
Participating: Oscar Harr (SU)
Location: SU, Cramér room
2025-12-17T13:15:00.000+01:00 2025-12-17T14:15:00.000+01:00 Oscar Harr: Lefschetz–Nielsen fixed point theory in dualizable categories (Seminar, Algebra & Geometry) SU, Cramér room (KTH, Stockholm, Sweden)Oscar Harr: Lefschetz–Nielsen fixed point theory in dualizable categories (Seminar, Algebra & Geometry)