Seminarium, Mittag-Leffler

Lars Halle: Degenerations of Hilbert schemes and relative VGIT

2 sep

Seminarium, Mittag-Leffler

torsdag 2021-09-02, 13.00 - 14.00

Medverkande: Lars Halle (Bologna)

Plats: Institut Mittag-Leffler, Seminar Hall Kuskvillan (alt. Zoom, meeting ID: 921 756 1880)

2021-09-02T13:00:00.000+02:00 2021-09-02T14:00:00.000+02:00 Lars Halle: Degenerations of Hilbert schemes and relative VGIT (Seminarium, Mittag-Leffler) Institut Mittag-Leffler, Seminar Hall Kuskvillan (alt. Zoom, meeting ID: 921 756 1880) (KTH, Stockholm, Sweden)Lars Halle: Degenerations of Hilbert schemes and relative VGIT (Seminarium, Mittag-Leffler)

Johannes Nicaise: Variation of stable birational type and bounds for complete intersections

2 sep

Seminarium, Mittag-Leffler

torsdag 2021-09-02, 14.30 - 15.30

Medverkande: Johannes Nicaise (KU Leuven / Imperial College London)

Plats: Institut Mittag-Leffler, Seminar Hall Kuskvillan (alt. Zoom, meeting ID: 921 756 1880)

2021-09-02T14:30:00.000+02:00 2021-09-02T15:30:00.000+02:00 Johannes Nicaise: Variation of stable birational type and bounds for complete intersections (Seminarium, Mittag-Leffler) Institut Mittag-Leffler, Seminar Hall Kuskvillan (alt. Zoom, meeting ID: 921 756 1880) (KTH, Stockholm, Sweden)Johannes Nicaise: Variation of stable birational type and bounds for complete intersections (Seminarium, Mittag-Leffler)

Angela Ortega: Generically finite Prym maps

7 sep

Seminarium, Mittag-Leffler

tisdag 2021-09-07, 13.15 - 14.15

Medverkande: Angela Ortega (Humboldt-Universität zu Berlin)

Plats: Institut Mittag-Leffler, Seminar Hall Kuskvillan (alt. Zoom, meeting ID: 921 756 1880)

2021-09-07T13:15:00.000+02:00 2021-09-07T14:15:00.000+02:00 Angela Ortega: Generically finite Prym maps (Seminarium, Mittag-Leffler) Institut Mittag-Leffler, Seminar Hall Kuskvillan (alt. Zoom, meeting ID: 921 756 1880) (KTH, Stockholm, Sweden)Angela Ortega: Generically finite Prym maps (Seminarium, Mittag-Leffler)

Richard Thomas: Nonabelian DT theory from abelian DT theory

7 sep

Seminarium, Mittag-Leffler

tisdag 2021-09-07, 14.30 - 15.30

Medverkande: Richard Thomas (Imperial College London, online)

Plats: Institut Mittag-Leffler, Seminar Hall Kuskvillan (alt. Zoom, meeting ID: 921 756 1880)

2021-09-07T14:30:00.000+02:00 2021-09-07T15:30:00.000+02:00 Richard Thomas: Nonabelian DT theory from abelian DT theory (Seminarium, Mittag-Leffler) Institut Mittag-Leffler, Seminar Hall Kuskvillan (alt. Zoom, meeting ID: 921 756 1880) (KTH, Stockholm, Sweden)Richard Thomas: Nonabelian DT theory from abelian DT theory (Seminarium, Mittag-Leffler)

Nikolas Kuhn: Blowup formulas for virtual sheaf-theoretic invariants on projective surfaces

9 sep

Seminarium, Mittag-Leffler

torsdag 2021-09-09, 14.00 - 15.00

Medverkande: Nikolas Kuhn (Mittag-Leffler)

Plats: Institut Mittag-Leffler, Seminar Hall Kuskvillan (alt. Zoom, meeting ID: 921 756 1880)

2021-09-09T14:00:00.000+02:00 2021-09-09T15:00:00.000+02:00 Nikolas Kuhn: Blowup formulas for virtual sheaf-theoretic invariants on projective surfaces (Seminarium, Mittag-Leffler) Institut Mittag-Leffler, Seminar Hall Kuskvillan (alt. Zoom, meeting ID: 921 756 1880) (KTH, Stockholm, Sweden)Nikolas Kuhn: Blowup formulas for virtual sheaf-theoretic invariants on projective surfaces (Seminarium, Mittag-Leffler)

Klaus Hulek: Elliptic K3 surfaces: monodromy versus Shimada strata

9 sep

Seminarium, Mittag-Leffler

torsdag 2021-09-09, 15.30 - 16.30

Medverkande: Klaus Hulek (University of Hannover)

Plats: Institut Mittag-Leffler, Seminar Hall Kuskvillan (alt. Zoom, meeting ID: 921 756 1880)

2021-09-09T15:30:00.000+02:00 2021-09-09T16:30:00.000+02:00 Klaus Hulek: Elliptic K3 surfaces: monodromy versus Shimada strata (Seminarium, Mittag-Leffler) Institut Mittag-Leffler, Seminar Hall Kuskvillan (alt. Zoom, meeting ID: 921 756 1880) (KTH, Stockholm, Sweden)Klaus Hulek: Elliptic K3 surfaces: monodromy versus Shimada strata (Seminarium, Mittag-Leffler)

Andrea Di Lorenzo: The integral Chow ring of the stack of stable 1-pointed curves of genus two

14 sep

Seminarium, Mittag-Leffler

tisdag 2021-09-14, 13.15 - 14.15

Medverkande: Andrea Di Lorenzo (Humboldt-Universität zu Berlin)

Plats: Institut Mittag-Leffler, Seminar Hall Kuskvillan (alt. Zoom, meeting ID: 921 756 1880)

2021-09-14T13:15:00.000+02:00 2021-09-14T14:15:00.000+02:00 Andrea Di Lorenzo: The integral Chow ring of the stack of stable 1-pointed curves of genus two (Seminarium, Mittag-Leffler) Institut Mittag-Leffler, Seminar Hall Kuskvillan (alt. Zoom, meeting ID: 921 756 1880) (KTH, Stockholm, Sweden)Andrea Di Lorenzo: The integral Chow ring of the stack of stable 1-pointed curves of genus two (Seminarium, Mittag-Leffler)

Jarod Alper: The local structure and coherent completeness of algebraic stacks

14 sep

Seminarium, Mittag-Leffler

tisdag 2021-09-14, 14.30 - 15.30

Medverkande: Jarod Alper (University of Washington)

Plats: Institut Mittag-Leffler, Seminar Hall Kuskvillan (alt. Zoom, meeting ID: 921 756 1880)

2021-09-14T14:30:00.000+02:00 2021-09-14T15:30:00.000+02:00 Jarod Alper: The local structure and coherent completeness of algebraic stacks (Seminarium, Mittag-Leffler) Institut Mittag-Leffler, Seminar Hall Kuskvillan (alt. Zoom, meeting ID: 921 756 1880) (KTH, Stockholm, Sweden)Jarod Alper: The local structure and coherent completeness of algebraic stacks (Seminarium, Mittag-Leffler)

Matthias Paulsen: The degree of algebraic cycles on hypersurfaces

16 sep

Seminarium, Mittag-Leffler

torsdag 2021-09-16, 14.00 - 15.00

Medverkande: Matthias Paulsen (Mittag-Leffler)

Plats: Institut Mittag-Leffler, Seminar Hall Kuskvillan (alt. Zoom, meeting ID: 921 756 1880)

2021-09-16T14:00:00.000+02:00 2021-09-16T15:00:00.000+02:00 Matthias Paulsen: The degree of algebraic cycles on hypersurfaces (Seminarium, Mittag-Leffler) Institut Mittag-Leffler, Seminar Hall Kuskvillan (alt. Zoom, meeting ID: 921 756 1880) (KTH, Stockholm, Sweden)Matthias Paulsen: The degree of algebraic cycles on hypersurfaces (Seminarium, Mittag-Leffler)

Carel Faber: On the cohomology of moduli spaces of stable pointed curves: genus 4 and small n, and the vanishing of H^7 and H^9

16 sep

Seminarium, Mittag-Leffler

torsdag 2021-09-16, 15.30 - 16.30

Medverkande: Carel Faber (Universiteit Utrecht)

Plats: Institut Mittag-Leffler, Seminar Hall Kuskvillan (alt. Zoom, meeting ID: 921 756 1880)

2021-09-16T15:30:00.000+02:00 2021-09-16T16:30:00.000+02:00 Carel Faber: On the cohomology of moduli spaces of stable pointed curves: genus 4 and small n, and the vanishing of H^7 and H^9 (Seminarium, Mittag-Leffler) Institut Mittag-Leffler, Seminar Hall Kuskvillan (alt. Zoom, meeting ID: 921 756 1880) (KTH, Stockholm, Sweden)Carel Faber: On the cohomology of moduli spaces of stable pointed curves: genus 4 and small n, and the vanishing of H^7 and H^9 (Seminarium, Mittag-Leffler)

Siddharth Mathur: Searching for the impossible Azumaya algebra

21 sep

Seminarium, Mittag-Leffler

tisdag 2021-09-21, 13.15 - 14.15

Medverkande: Siddharth Mathur (Institut Mittag-Leffler)

Plats: Institut Mittag-Leffler, Seminar Hall Kuskvillan (alt. Zoom, meeting ID: 921 756 1880)

2021-09-21T13:15:00.000+02:00 2021-09-21T14:15:00.000+02:00 Siddharth Mathur: Searching for the impossible Azumaya algebra (Seminarium, Mittag-Leffler) Institut Mittag-Leffler, Seminar Hall Kuskvillan (alt. Zoom, meeting ID: 921 756 1880) (KTH, Stockholm, Sweden)Siddharth Mathur: Searching for the impossible Azumaya algebra (Seminarium, Mittag-Leffler)

Roy Skjelnes: Smooth Hilbert schemes, a classification.

21 sep

Seminarium, Mittag-Leffler

tisdag 2021-09-21, 14.30 - 15.30

Medverkande: Roy Skjelnes (KTH)

Plats: Institut Mittag-Leffler, Seminar Hall Kuskvillan (alt. Zoom, meeting ID: 921 756 1880)

2021-09-21T14:30:00.000+02:00 2021-09-21T15:30:00.000+02:00 Roy Skjelnes: Smooth Hilbert schemes, a classification. (Seminarium, Mittag-Leffler) Institut Mittag-Leffler, Seminar Hall Kuskvillan (alt. Zoom, meeting ID: 921 756 1880) (KTH, Stockholm, Sweden)Roy Skjelnes: Smooth Hilbert schemes, a classification. (Seminarium, Mittag-Leffler)

Jack Hall: Lefschetz theorems via localization

23 sep

Seminarium, Mittag-Leffler

torsdag 2021-09-23, 14.00 - 15.00

Medverkande: Jack Hall (University of Melbourne)

Plats: Institut Mittag-Leffler, Seminar Hall Kuskvillan (alt. Zoom, meeting ID: 921 756 1880)

2021-09-23T14:00:00.000+02:00 2021-09-23T15:00:00.000+02:00 Jack Hall: Lefschetz theorems via localization (Seminarium, Mittag-Leffler) Institut Mittag-Leffler, Seminar Hall Kuskvillan (alt. Zoom, meeting ID: 921 756 1880) (KTH, Stockholm, Sweden)Jack Hall: Lefschetz theorems via localization (Seminarium, Mittag-Leffler)

Boris Mladenov: Degeneration of spectral sequences and formality of DG algebras associated to Lagrangians in hyperkähler varieties

23 sep

Seminarium, Mittag-Leffler

torsdag 2021-09-23, 15.30 - 16.30

Medverkande: Boris Mladenov (Imperial college / Institut Mittag-Leffler)

Plats: Institut Mittag-Leffler, Seminar Hall Kuskvillan (alt. Zoom, meeting ID: 921 756 1880)

2021-09-23T15:30:00.000+02:00 2021-09-23T16:30:00.000+02:00 Boris Mladenov: Degeneration of spectral sequences and formality of DG algebras associated to Lagrangians in hyperkähler varieties (Seminarium, Mittag-Leffler) Institut Mittag-Leffler, Seminar Hall Kuskvillan (alt. Zoom, meeting ID: 921 756 1880) (KTH, Stockholm, Sweden)Boris Mladenov: Degeneration of spectral sequences and formality of DG algebras associated to Lagrangians in hyperkähler varieties (Seminarium, Mittag-Leffler)

Daniel Huybrechts: Nodal quintic surfaces and lines on cubic fourfolds

28 sep

Seminarium, Mittag-Leffler

tisdag 2021-09-28, 13.15 - 14.15

Medverkande: Daniel Huybrechts (University of Bonn)

Plats: Institut Mittag-Leffler, Seminar Hall Kuskvillan (alt. Zoom, meeting ID: 921 756 1880)

2021-09-28T13:15:00.000+02:00 2021-09-28T14:15:00.000+02:00 Daniel Huybrechts: Nodal quintic surfaces and lines on cubic fourfolds (Seminarium, Mittag-Leffler) Institut Mittag-Leffler, Seminar Hall Kuskvillan (alt. Zoom, meeting ID: 921 756 1880) (KTH, Stockholm, Sweden)Daniel Huybrechts: Nodal quintic surfaces and lines on cubic fourfolds (Seminarium, Mittag-Leffler)

Georg Oberdieck: A note on Hilbert schemes of points of K3 surfaces

28 sep

Seminarium, Mittag-Leffler

tisdag 2021-09-28, 14.30 - 15.30

Medverkande: Georg Oberdieck (University of Bonn)

Plats: Institut Mittag-Leffler, Seminar Hall Kuskvillan (alt. Zoom, meeting ID: 921 756 1880)

2021-09-28T14:30:00.000+02:00 2021-09-28T15:30:00.000+02:00 Georg Oberdieck: A note on Hilbert schemes of points of K3 surfaces (Seminarium, Mittag-Leffler) Institut Mittag-Leffler, Seminar Hall Kuskvillan (alt. Zoom, meeting ID: 921 756 1880) (KTH, Stockholm, Sweden)Georg Oberdieck: A note on Hilbert schemes of points of K3 surfaces (Seminarium, Mittag-Leffler)

Stefan Schreider: Higher Abel—Jacobi invariants of torsion cycles modulo algebraic equivalence

30 sep

Seminarium, Mittag-Leffler

torsdag 2021-09-30, 14.00 - 15.00

Medverkande: Stefan Schreider (LMU Munich)

Plats: Institut Mittag-Leffler, Seminar Hall Kuskvillan (alt. Zoom, meeting ID: 921 756 1880)

2021-09-30T14:00:00.000+02:00 2021-09-30T15:00:00.000+02:00 Stefan Schreider: Higher Abel—Jacobi invariants of torsion cycles modulo algebraic equivalence (Seminarium, Mittag-Leffler) Institut Mittag-Leffler, Seminar Hall Kuskvillan (alt. Zoom, meeting ID: 921 756 1880) (KTH, Stockholm, Sweden)Stefan Schreider: Higher Abel—Jacobi invariants of torsion cycles modulo algebraic equivalence (Seminarium, Mittag-Leffler)

Zhengning Hu: A computation of Sym^2(\Pic(\Hbar_g))

30 sep

Seminarium, Mittag-Leffler

torsdag 2021-09-30, 15.30 - 16.30

Medverkande: Zhengning Hu (University of Missouri)

Plats: Institut Mittag-Leffler, Seminar Hall Kuskvillan (alt. Zoom, meeting ID: 921 756 1880)

2021-09-30T15:30:00.000+02:00 2021-09-30T16:30:00.000+02:00 Zhengning Hu: A computation of Sym^2(\Pic(\Hbar_g)) (Seminarium, Mittag-Leffler) Institut Mittag-Leffler, Seminar Hall Kuskvillan (alt. Zoom, meeting ID: 921 756 1880) (KTH, Stockholm, Sweden)Zhengning Hu: A computation of Sym^2(\Pic(\Hbar_g)) (Seminarium, Mittag-Leffler)