GeMAT Seminar  -  Geometric Methods in Algebra and Topology

                          Coordinators: C. Anghel (IMAR), C. A-M Anghel (IMAR & Univ. Clermont Auvergne ).                 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, Link homology, Deformation quantization, Floer homology, Motivic integration.

                                                        Fukaya categories, knot-quivers correspondence, universal invariants, character varieties, skein modules/algebras.

2025 2024  2023  2022  2021  2020  2019   2018  2017 

30/2025                                                                                                                                                                                   

On the interplay between ribbon graphs and CohFT. Abstract                                   

Speaker: Olivia Dumitrescu  (IMAR and University of North Carolina, Chapel Hill)                                                                                                                        

Friday,  September  05,  2025, 15:15-16:45                                                                                                            

Room  804  "Ciprian Foias"      

28/2025                                                                                                                                                                  29/2025                                        

Homological stability for configuration spaces on closed manifolds VII                     Homological stability for configuration spaces on closed manifolds VIII                     

Speaker: Martin Palmer  (IMAR)                                                                                                            Speaker: Martin Palmer  (IMAR)                                                                            

Tuesday,  July  15,  2025, 15:00-16:30                                                                                                 Wednesday,  July  16,  2025,15:00-16:30                                                                                                                      

Room 309-310 "Gheorghe Vranceanu"                                                                                               Room 309-310 "Gheorghe Vranceanu"  

27/2025                                                                                                                                                                                   

Homological stability for configuration spaces on closed manifolds VI                                           

Speaker: Martin Palmer  (IMAR)                                                                                                                        

Friday,  July  11,  2025, 14:00-15:30                                                                                                            

Room 309-310 "Gheorghe Vranceanu"     

25,26/2025                                                                                                                                                                                   

Cluster algebras and surfaces I, II. Abstract  Notes                                                   

Speaker: Cristian Anghel  (IMAR)                                                                                                                        

Thursday/Friday,  June 26/27, 2025, 14:00-15:30                                                                                                            

Room 309-310 "Gheorghe Vranceanu"     

24/2025                                                                                                                                                                                   

WRT quantization of the character variety of the torus following Sikora III                                                   

Speaker: Dorin Cheptea  (IMAR)                                                                                                                        

Friday,  June 13, 2025, 14:00-15:30                                                                                                            

e-GeMAT session on Zoom     

23/2025                                                                                                                                                                                   

WRT quantization of the character variety of the torus following Sikora II                                                   

Speaker: Dorin Cheptea  (IMAR)                                                                                                                        

Thursday,  June 05, 2025, 14:00-15:30                                                                                                            

e-GeMAT session on Zoom    

22/2025                                                                                                                                                                                   

WRT quantization of the character variety of the torus following Sikora I. Abstract                                                    

Speaker: Dorin Cheptea  (IMAR)                                                                                                                        

Friday,  May 30, 2025, 14:00-15:30                                                                                                            

e-GeMAT session on Zoom    

21/2025                                                                                                                                                                                   

Cluster algebras and link polynomials VII                                                   

Speaker: Cristian Anghel  (IMAR)                                                                                                                        

Wednesday,  May 28, 2025, 14:00-15:30                                                                                                            

e-GeMAT session on Zoom    

20/2025                                                                                                                                                                                   

Homological stability for configuration spaces on closed manifolds V                                           

Speaker: Martin Palmer  (IMAR)                                                                                                                        

Friday,  May  23, 2025, 14:00-15:30                                                                                                            

e-GeMAT session on Zoom   

19/2025                                                                                                                                                                                   

Cluster algebras and link polynomials VI. Notes                                                    

Speaker: Cristian Anghel  (IMAR)                                                                                                                        

Wednesday,  May 21, 2025, 14:00-15:30                                                                                                            

e-GeMAT session on Zoom    

18/2025                                                                                                                                                                                   

Homological stability for configuration spaces on closed manifolds IV. Abstract                                           

Speaker: Martin Palmer  (IMAR)                                                                                                                        

Friday,  May  16, 2025, 14:00-15:30                                                                                                            

e-GeMAT session on Zoom     

17/2025                                                                                                                                                                                   

Cluster algebras and link polynomials V                                                   

Speaker: Cristian Anghel  (IMAR)                                                                                                                        

Wednesday,  May 14, 2025, 14:00-15:30                                                                                                            

e-GeMAT session on Zoom                 

16/2025                                                                                                                                                                                   

Homological stability for configuration spaces on closed manifolds III                                           

Speaker: Martin Palmer  (IMAR)                                                                                                                        

Friday,  May  9, 2025, 14:00-15:30                                                                                                            

e-GeMAT session on Zoom     

15/2025                                                                                                                                                                                   

Cluster algebras and link polynomials IV. Abstract                                                     

Speaker: Cristian Anghel  (IMAR)                                                                                                                        

Wednesday,  April 30, 2025, 13:30-15:00                                                                                                            

e-GeMAT session on Zoom                   

14/2025                                                                                                                                                                                   

Homological stability for configuration spaces on closed manifolds II. Abstract                                            

Speaker: Martin Palmer  (IMAR)                                                                                                                        

Monday,  April 28, 2025, 15:00-16:30                                                                                                            

e-GeMAT session on Zoom     

13/2025                                                                                                                                                                                   

Kauffman states and categorified knot invariants III                                                        

Speaker: Cristian Anghel  (IMAR)                                                                                                                        

Thursday,  April 17, 2025, 14:30-16:00                                                                                                            

e-GeMAT session on Zoom     

12/2025                                                                                                                                                                                   

Homological stability for configuration spaces on closed manifolds I.  Abstract                                                          

Speaker: Martin Palmer  (IMAR)                                                                                                                        

Thursday,  April 10, 2025, 15:00-16:30                                                                                                            

e-GeMAT session on Zoom     

11/2025                                                                                                                                                                                   

Kauffman states and categorified knot invariants II                                                        

Speaker: Cristian Anghel  (IMAR)                                                                                                                        

Monday,  April 7, 2025, 14:00-15:30                                                                                                            

e-GeMAT session on Zoom                                                                                                                                        

9/2025                                                                                                                                                                                                        10/2025

Kauffman states and categorified knot invariants I. Abstract                                                                                Character varieties and  skein modules V

Speaker: Cristian Anghel  (IMAR)                                                                                                                                              Speaker: Cristian Anghel  (IMAR)   

Monday,  March 31, 2025, 15:00-16:30                                                                                                                                  Friday,  April 04, 2025, 14:00-15:30

e-GeMAT session on Zoom                                                                                                                                                             e-GeMAT session on Zoom

7/2025                                                                                                                                                                                                         8/2025

A TOPOLOGICAL MODEL FOR THE HOMFLY-PT POLYNOMIAL Abstract                                                  Character varieties and  skein modules IV

Speaker: Cristina A-M Anghel  (IMAR & Univ. Clermont Auvergne)                                                                     Speaker: Cristian Anghel  (IMAR)    

Monday,  March 24, 2025, 15:00-16:30                                                                                                                                    Friday,  March 28, 2025, 14:00-15:30

e-GeMAT session on Zoom                                                                                                                                                                e-GeMAT session on Zoom 

6/2025

Character varieties and  skein modules III

Speaker: Cristian Anghel  (IMAR)     

Friday,  March 21, 2025, 14:00-15:30

Room 309-310 "Gheorghe Vranceanu"

5/2025

Character varieties and  skein modules II 

Speaker: Cristian Anghel  (IMAR)     

Friday,  March 14, 2025, 14:00-15:30

Room 309-310 "Gheorghe Vranceanu"

4/2025

Character varieties and  skein modules I. Abstract 

Speaker: Cristian Anghel  (IMAR)     

Friday,  March 07, 2025, 14:00-15:30

Room 309-310 "Gheorghe Vranceanu"

3/2025

The Kauffman bracket skein module III

Speaker: Cristian Anghel  (IMAR)     

Friday, February 14, 2025, 14:00-15:30

Room 309-310 "Gheorghe Vranceanu"

2/2025

The Kauffman bracket skein module II 

Speaker: Cristian Anghel  (IMAR)     

Friday, February 7, 2025, 14:00-15:30

Room 309-310 "Gheorghe Vranceanu"

1/2025

Skein modules V                                                                                              

Speaker: Dorin Cheptea (IMAR)                                                                                      

Friday, January 17, 2025,  14:00-15:30                                                                            

Room 309-310 "Gheorghe Vranceanu"