GeMAT Seminar - Geometric Methods in Algebra and Topology
Coordinators: C. Anghel (IMAR), C. A-M Anghel (IMAR & OXFORD UNIV.). A quote... Caspar the GeMAT Logo
Current subjects: quantum invariants, homological stability, graded geometry, Hochschild cohomology, twisted Alexander polynomials.
Former subjects: exotic spheres, Higgs bundles, categorical Rozansky-Witten invariants, Hyperkahler categories,
Symplectic Lie pairs & RW-invariants.
Merry Christmas & Happy NewGeMATYear 2021!
The 63th and last 2020 talk:
Cohomology of Lie algebras of formal vector fields II
Speaker: Dorin Cheptea (IMAR)
Friday, December 18, 2020, 14:30-16:00
e-GeMAT session on skype.
62/2020
Introduction to flat and Higgs bundles VIII
Speaker: Cristian Anghel (IMAR)
Thursday, December 17, 2020, 15:30-17:00
e-GeMAT session on skype
61/2020
Cohomology of Lie algebras of formal vector fields
Speaker: Dorin Cheptea (IMAR)
Friday, December 11, 2020, 14:30-16:00
e-GeMAT session on skype.
60/2020
Introduction to flat and Higgs bundles VII
Speaker: Cristian Anghel (IMAR)
Thursday, December 10, 2020, 15:30-17:00
e-GeMAT session on skype
59/2020
Braid group action on derived categories of coherent sheaves IV
Speaker: Cristian Anghel (IMAR)
Friday, December 04, 2020, 14:30-16:00
e-GeMAT session on skype.
58/2020
Introduction to flat and Higgs bundles VI
Speaker: Cristian Anghel (IMAR)
Thursday, December 03, 2020, 15:30-17:00
e-GeMAT session on skype
57/2020
Total positivity and cluster algebras VI
Speaker: Sebastian Burciu (IMAR)
Friday, November 27, 2020, 14:30-16:00
e-GeMAT session on skype
56/2020
Introduction to flat and Higgs bundles V
Speaker: Cristian Anghel (IMAR)
Thursday, November 26, 2020, 15:30-17:00
e-GeMAT session on skype
55/2020
Total positivity and cluster algebras V
Speaker: Sebastian Burciu (IMAR)
Friday, November 20, 2020, 14:30-16:00
e-GeMAT session on skype
54/2020
Introduction to flat and Higgs bundles IV
Speaker: Cristian Anghel (IMAR)
Thursday, November 19, 2020, 15:30-17:00
e-GeMAT session on skype
53/2020
Total positivity and cluster algebras IV
Speaker: Sebastian Burciu (IMAR)
Friday, November 13, 2020, 14:30-16:00
e-GeMAT session on skype
52/2020
Introduction to flat and Higgs bundles III
Speaker: Cristian Anghel (IMAR)
Thursday, November 12, 2020, 15:30-17:00
e-GeMAT session on skype
51/2020
Total positivity and cluster algebras III
Speaker: Sebastian Burciu (IMAR)
Friday, November 06, 2020, 14:30-16:00
e-GeMAT session on skype
50/2020
Introduction to flat and Higgs bundles II
Speaker: Cristian Anghel (IMAR)
Thursday, November 05, 2020, 15:30-17:00
e-GeMAT session on skype
49/2020
Total positivity and cluster algebras II
Speaker: Sebastian Burciu (IMAR)
Friday, October 30, 2020, 14:30-16:00
e-GeMAT session on skype
48/2020
Introduction to flat and Higgs bundles I. Abstract
Speaker: Cristian Anghel (IMAR)
Thursday, October 29, 2020, 15:30-17:00
e-GeMAT session on skype
47/2020
Total positivity and cluster algebras
Speaker: Sebastian Burciu (IMAR)
Friday, October 23, 2020, 14:30-16:00
e-GeMAT session on skype
46/2020
Braid group action on derived categories of coherent sheaves III
Speaker: Cristian Anghel (IMAR)
Friday, October 16, 2020, 14:30-16:00
e-GeMAT session on skype.
45/2020
Braid group action on derived categories of coherent sheaves II
Speaker: Cristian Anghel (IMAR)
Friday, October 09, 2020, 14:30-16:00
e-GeMAT session on skype.
44/2020
Braid group action on derived categories of coherent sheaves I
Speaker: Cristian Anghel (IMAR)
Friday, October 02, 2020, 14:30-16:00
e-GeMAT session on skype.
43/2020
Rozansky-Witten invariants revisited: Kontsevich's viewpoint
Speaker: Dorin Cheptea (IMAR)
Friday, July 31, 2020, 14:30-16:00
e-GeMAT session on skype.
42/2020
Rozansky-Witten invariants revisited: Kapranov's viewpoint
Speaker: Cristian Anghel (IMAR)
Thursday, July 30, 2020, 14:30-16:00
e-GeMAT session on skype.
41/2020
Braid group and cluster algebra. Abstract Slides
Speaker: Kazuhiro Hikami (Kyushu University)
Friday, July 24, 2020, 15:00-16:30
e-GeMAT session on skype.
40/2020
Kontsevich’s characteristic classes à la Watanabe V
Speaker: Martin Palmer (IMAR)
Friday, July 17, 2020, 14:30-16:00
e-GeMAT session on skype.
39/2020
Kontsevich’s characteristic classes à la Watanabe IV
Speaker: Martin Palmer (IMAR)
Friday, July 10, 2020, 14:30-16:00
e-GeMAT session on skype.
38/2020
Kontsevich’s characteristic classes à la Watanabe III
Speaker: Martin Palmer (IMAR)
Friday, July 03, 2020, 14:30-16:00
e-GeMAT session on skype.
37/2020
The Teichmüller TQFT volume conjecture for twist knots. Abstract Slides
Speaker: Fathi Ben Aribi (UCLouvain)
Friday, June 26, 2020, 14:30-16:00
e-GeMAT session on skype.
36/2020
Kontsevich’s characteristic classes à la Watanabe II
Speaker: Martin Palmer (IMAR)
Friday, June 19, 2020, 14:30-16:00
e-GeMAT session on skype.
35/2020
Gelfand-Fuks cohomology and Cheeger-Chern-Simons classes
(Lectures on characteristic classes XXV)
Speaker: Cristian Anghel (IMAR)
Thursday, June 18, 2020, 14:30-16:00
e-GeMAT session on skype.
34/2020
Kontsevich’s characteristic classes à la Watanabe
Speaker: Martin Palmer (IMAR)
Friday, June 12, 2020, 14:30-16:00
e-GeMAT session on skype.
33/2020
Secondary invariants of flat bundles II. Abstract
(Lectures on characteristic classes XXIV)
Speaker: Cristian Anghel (IMAR)
Thursday, June 11, 2020, 14:30-16:00
e-GeMAT session on skype.
32/2020
Configuration space construction of universal finite type invariants II
(following Lescop's paper)
Speaker: Cristina Palmer-Anghel (IMAR & Oxford Univ.)
Friday, June 5, 2020, 14:30-16:00
e-GeMAT session on skype.
31/2020
Secondary invariants of flat bundles
(Lectures on characteristic classes XXIII)
Speaker: Cristian Anghel (IMAR)
Thursday, June 4, 2020, 14:30-16:00
e-GeMAT session on skype.
30/2020
Homological functors for families of groups. Abstract Slides
Speaker: Arthur Soulié (University of Glasgow)
Friday, May 29, 2020, 14:30-16:00
e-GeMAT session on skype.
29/2020
Secondary invariants of holomorphic vector bundles II
(Lectures on characteristic classes XXII)
Speaker: Cristian Anghel (IMAR)
Thursday, May 28, 2020, 14:30-16:00
e-GeMAT session on skype.
28/2020
Secondary invariants of holomorphic vector bundles. Abstract
(Lectures on characteristic classes XXI)
Speaker: Cristian Anghel (IMAR)
Friday, May 22, 2020, 14:30-16:00
e-GeMAT session on skype.
27/2020
Secondary invariants of vector bundles II
(Lectures on characteristic classes XX)
Speaker: Cristian Anghel (IMAR)
Friday, May 15, 2020, 14:30-16:00
e-GeMAT session on skype.
26/2020
Secondary invariants of vector bundles. Abstract
(Lectures on characteristic classes XIX)
Speaker: Cristian Anghel (IMAR)
Friday, May 08, 2020, 14:30-16:00
e-GeMAT session on skype.
25/2020
Pseudodifferential operators and the Hodge-de Rham theorem VI
Speaker: Rares Stan (IMAR)
Friday, May 01, 2020, 14:30-16:00
e-GeMAT session on skype.
24/2020
Pseudodifferential operators and the Hodge-de Rham theorem V
Speaker: Rares Stan (IMAR)
Friday, April 24, 2020, 14:30-16:00
e-GeMAT session on skype.
22/2020
Loop expansions for U_q(sl(2))-quantum invariants via the topology of configuration spaces
Speaker: Cristina Palmer-Anghel (IMAR & Oxford Univ.)
Friday, April 24, 2020, 12:30-14:00
e-GeMAT session on skype.
21/2020
Pseudodifferential operators and the Hodge-de Rham theorem IV
Speaker: Rares Stan (IMAR)
Wednesday, April 15, 2020, 16:30-18:00
e-GeMAT session on skype.
20/2020
Pseudodifferential operators and the Hodge-de Rham theorem III
Speaker: Rares Stan (IMAR)
Friday, April 10, 2020, 14:30-16:00
e-GeMAT session on skype.
19/2020
Towards motivic homological stability for configuration spaces
Speaker: Martin Palmer (IMAR)
Friday, April 10, 2020, 13:00-14:30
e-GeMAT session on skype.
18/2020
The pfaffian of an antisymmetric matrix and the Euler class of an oriented vector bundle
(Lectures on characteristic classes XVIII)
Speaker: Cipriana Anghel (IMAR)
Wednesday, April 08, 2020, 16:30-18:00
e-GeMAT session on skype.
17/2020
Pseudodifferential operators and the Hodge-de Rham theorem II
Speaker: Rares Stan (IMAR)
Friday, April 03, 2020, 14:30-16:30
e-GeMAT session on skype.
16/2020
Hochschild cohomology and Atiyah classes VII
Speaker: Cristian Anghel (IMAR)
Friday, March 13, 2020, 13:30-15:30
Room 309-310 "Gheorghe Vranceanu", IMAR
15/2020
Lectures on characteristic classes XVII
Speaker: Cristian Anghel (IMAR)
Thursday, March 12, 2020, 16:30-18:30
Room 306-307 "Constantin Banica", IMAR
14/2020
Pseudodifferential operators and the Hodge-de Rham theorem I
Speaker: Rares Stan (IMAR)
Friday, March 06, 2020, 15:30-17:30
Room 309-310 "Gheorghe Vranceanu", IMAR
13/2020
Hochschild cohomology and Atiyah classes VI
Speaker: Cristian Anghel (IMAR)
Friday, March 06, 2020, 13:30-15:30
Room 309-310 "Gheorghe Vranceanu", IMAR
12/2020
Lectures on characteristic classes XVI
Speaker: Cristian Anghel (IMAR)
Friday, February 28, 2020, 15:30-17:30
Room 309-310 "Gheorghe Vranceanu", IMAR
11/2020
Hochschild cohomology and Atiyah classes V
Speaker: Cristian Anghel (IMAR)
Friday, February 28, 2020, 13:30-15:30
Room 309-310 "Gheorghe Vranceanu", IMAR
10/2020
Lectures on characteristic classes XV
Speaker: Cristian Anghel (IMAR)
Friday, February 21, 2020, 15:30-17:30
Room 309-310 "Gheorghe Vranceanu", IMAR
09/2020
Lectures on characteristic classes XIV
Speaker: Cristian Anghel (IMAR)
Friday, February 14, 2020, 15:30-17:30
Room 309-310 "Gheorghe Vranceanu", IMAR
08/2020
Hochschild cohomology and Atiyah classes IV
Speaker: Cristian Anghel (IMAR)
Friday, February 14, 2020, 13:30-15:30
Room 309-310 "Gheorghe Vranceanu", IMAR
07/2020
Hochschild cohomology and Atiyah classes III
Speaker: Cristian Anghel (IMAR)
Friday, February 07, 2020, 15:30-17:30
Room 309-310 "Gheorghe Vranceanu", IMAR
06/2020
Lectures on characteristic classes XIII
Speaker: Martin Palmer (IMAR)
Wednesday, January 29, 2020, 16:30-18:00
Room 306-307 "Constantin Banica", IMAR
05/2020
Hochschild cohomology and Atiyah classes II
Speaker: Cristian Anghel (IMAR)
Friday, January 24, 2020, 15:30-17:30
Room 309-310 "Gheorghe Vranceanu", IMAR
04/2020
Lectures on characteristic classes XII
Speaker: Cristian Anghel (IMAR)
Friday, January 24, 2020, 13:30-15:30
Room 309-310 "Gheorghe Vranceanu", IMAR
03/2020
Lectures on characteristic classes XI
Speaker: Cristian Anghel (IMAR)
Thursday, January 16, 2020, 16:30-18:30
Room 306-307 "Constantin Banica", IMAR
02/2020
Lectures on characteristic classes X
Speaker: Cristian Anghel (IMAR)
Friday, January 10, 2020, 13:30-15:30
Room 309-310 "Gheorghe Vranceanu", IMAR
01/2020
Reidemeister torsion and the volume of hyperbolic knots. Abstract
Speaker: Cristian Anghel (IMAR)
Friday, January 03, 2020, 14:00-16:00
Room 309-310 "Gheorghe Vranceanu", IMAR
