GeMAT Seminar - Geometric Methods in Algebra and Topology

Coordinators: C. Anghel (IMAR), C. A-M Anghel (IMAR & Univ. of Geneve). A quote... Caspar the GeMAT Logo

Former subjects: quantum invariants, homological stability, graded geometry, Hochschild cohomology, twisted Alexander polynomials,

exotic spheres, Higgs bundles, categorical Rozansky-Witten invariants, Hyperkahler categories,

Symplectic Lie pairs & RW-invariants, Characteristic classes, Cluster algebras, Gelfand-Fuks cohomology,

Foliations, Moduli spaces of manifolds.

2021 2020 2019 2018 2017

33/2021

Khovanov-Rozansky homology I: the P_n polynomial. Abstract

Speaker: Cristian Anghel (IMAR)

Friday, October 22, 2021, 14:30-16:00

e-GeMAT session on Zoom.

32/2021

An introductory survey to Khovanov homology II

Speaker: Dorin Cheptea (IMAR)

Friday, October 15, 2021, 14:30-16:00

e-GeMAT session on Zoom.

31/2021

Torsion as a rational function on the variety of complex representations Abstract

Speaker: Dan Burghelea (OSU )

Friday, October 08, 2021, 14:30-16:00

e-GeMAT session on Zoom.

30/2021

An introductory survey to Khovanov homology I. Abstract

Speaker: Dorin Cheptea (IMAR)

Friday, October 01, 2021, 14:30-16:00

e-GeMAT session on Zoom.

29/2021

Lectures on link homologies. Abstract Notes

Speaker: Cristian Anghel (IMAR)

Friday, September 24, 2021, 14:30-16:00

e-GeMAT session on Zoom.

28/2021

Moduli spaces of high-dimensional discs V. Notes talks 1-5

Speaker: Martin Palmer (IMAR)

Friday, June 11, 2021, 14:30-16:00

e-GeMAT session on Zoom.

27/2021

Moduli spaces of high-dimensional discs IV

Speaker: Martin Palmer (IMAR)

Friday, June 04, 2021, 14:30-16:00

e-GeMAT session on Zoom.

26/2021

Moduli spaces of high-dimensional discs III

Speaker: Martin Palmer (IMAR)

Friday, May 28, 2021, 14:30-16:00

e-GeMAT session on Zoom.

25/2021

Kapustin-Saulina-Rozansky Topological quantum field theories (TQFT) and knot homology. Abstract

Speaker: Alexei Oblomkov (UMass Amherst)

Friday, May 14, 2021, 15:00-16:30

e-GeMAT session on Zoom.

24/2021

Moduli spaces of high-dimensional discs II

Speaker: Martin Palmer (IMAR)

Thursday, May 13, 2021, 14:30-16:00

e-GeMAT session on Zoom.

23/2021

Moduli spaces of high-dimensional discs. Abstract

Speaker: Martin Palmer (IMAR)

Friday, May 07, 2021, 14:30-16:00

e-GeMAT session on Zoom.

22/2021

Hodge cycles for cubic hypersurfaces. Abstract

Speaker: Hossein Movasati (IMPA)

Thursday, May 06, 2021, 14:00-15:30

e-GeMAT session on Zoom.

21/2021

On the lattice points count on the moduli space of curves II

Speaker: Olivia Dumitrescu (UNC at Chapel Hill & IMAR)

Friday, April 23, 2021, 15:30-17:00

e-GeMAT session on Zoom.

20/2021

On the lattice points count on the moduli space of curves. Abstract

Speaker: Olivia Dumitrescu (UNC at Chapel Hill & IMAR)

Friday, April 16, 2021, 15:30-17:00

e-GeMAT session on Zoom.

19/2021

Introduction to flat and Higgs bundles XV

Speaker: Cristian Anghel (IMAR)

Friday, April 09, 2021, 14:30-16:00

e-GeMAT session on skype.

18/2021

Rozansky-Witten invariants revisited: Kontsevich's viewpoint II

Speaker: Dorin Cheptea (IMAR)

Friday, April 02, 2021, 14:30-16:00

e-GeMAT session on skype.

17/2021

Fuchsian sl(2,C)-systems on compact Riemann surfaces. Abstract

Speaker: Sorin Dumitrescu (Univ. Cote d'Azur)

Friday, March 26, 2021, 14:30-16:00

e-GeMAT session on Zoom.

16/2021

On the Kontsevich's graph complex

Speaker: Cristian Anghel (IMAR)

Friday, March 19, 2021, 14:30-16:00

e-GeMAT session on Skype.

15/2021

Rozansky-Witten theories with noncompact targets. Abstract

Speaker: Hiraku Nakajima (Klavi IPMU)

Friday, March 12, 2021, 13:00-15:30

e-GeMAT session on Zoom.

14/2021

Foliations and characteristic classes IV

Speaker: Cristian Anghel (IMAR)

Friday, March 05, 2021, 14:30-16:00

e-GeMAT session on Skype.

13/2021

Foliations and characteristic classes III

Speaker: Cristian Anghel (IMAR)

Friday, February 26, 2021, 14:30-16:00

e-GeMAT session on Skype.

12/2021

Introduction to flat and Higgs bundles XIV

Speaker: Cristian Anghel (IMAR)

Thursday, February 25, 2021, 14:00-15:30

e-GeMAT session on skype.

11/2021

Foliations and characteristic classes II

Speaker: Cristian Anghel (IMAR)

Friday, February 19, 2021, 14:30-16:00

e-GeMAT session on Skype.

10/2021

Introduction to flat and Higgs bundles XIII

Speaker: Cristian Anghel (IMAR)

Thursday, February 18, 2021, 14:30-16:00

e-GeMAT session on skype.

9/2021

Foliations and characteristic classes I

Speaker: Cristian Anghel (IMAR)

Friday, February 12, 2021, 14:30-16:00

e-GeMAT session on Skype.

8/2021

Introduction to flat and Higgs bundles XII

Speaker: Cristian Anghel (IMAR)

Thursday, February 11, 2021, 15:30-17:00

e-GeMAT session on skype.

7/2021

On arithmetic Dijkgraaf-Witten theory. Abstract

Speaker: Masanori Morishita (Kyushu University)

Friday, February 05, 2021, 13:30-15:00

e-GeMAT session on Zoom.

6/2021

Cohomology of Lie algebras of formal vector fields V

Speaker: Dorin Cheptea (IMAR)

Friday, January 29, 2021, 14:30-16:00

e-GeMAT session on skype.

5/2021

Introduction to flat and Higgs bundles XI

Speaker: Cristian Anghel (IMAR)

Thursday, January 28, 2021, 15:30-17:00

e-GeMAT session on skype

4/2021

Cohomology of Lie algebras of formal vector fields IV

Speaker: Dorin Cheptea (IMAR)

Friday, January 22, 2021, 14:30-16:00

e-GeMAT session on skype.

3/2021

Introduction to flat and Higgs bundles X

Speaker: Cristian Anghel (IMAR)

Thursday, January 21, 2021, 15:30-17:00

e-GeMAT session on skype

2/2021

Cohomology of Lie algebras of formal vector fields III

Speaker: Dorin Cheptea (IMAR)

Friday, January 15, 2021, 14:30-16:00

e-GeMAT session on skype.

1/2021

Introduction to flat and Higgs bundles IX

Speaker: Cipriana Anghel (IMAR)

Thursday, January 14, 2021, 15:30-17:00

e-GeMAT session on skype