3rd Geometry and Algebra in Combinatorics Workshop

7-10 April 2026

Third meeting for the coordinated MICIU projects PID2022-137283NB-C21 Geometric combinatorics and its connections to algebra and PID2022-137283NB-C22 Algebraic combinatorics and its connections to geometry.

It will consist on lectures on 'Real tropicalization' by Felipe Rincón and on 'Edge ideals' by Alexander Engström, as well as contruibuted talks by members of the project. There will be time reserved for scientific discussions with the invited speakers to work on the topics of the project.

Venue

Centro Internacional de Encuentros Matemáticos of the Universidad de Cantabria at Castro Urdiales. All participants will be staying at Hotel Las Rocas. Reservations have been made by the organisers.

Participants

Schedule

Tuesday 7/4/2026

14h00 - 16h00
Social lunch
16h00 - 16h30
Welcome and open problems
(GALICO members + guest participants: Alexander Engström, Florian Rieg, Felipe Rincón, Raman Sanyal)
16h30 - 17h30
Florian Rieg
17h30 - 18h15
Coffee break
18h20 - 19h20
Raman Sanyal

Wednesday 8/4/2026

9h30 - 10h30
Felipe Rincón
10h30 - 12h00
Work in groups
(GALICO members + guest participants: Alexander Engström, Florian Rieg, Felipe Rincón, Raman Sanyal)
12h00 - 13h00
Alexander Engström
13h00 - 15h00
Lunch
15h00 - 17h30
Work in groups
(GALICO members + guest participants: Alexander Engström, Florian Rieg, Felipe Rincón, Raman Sanyal)
17h30 - 18h15
Coffee break
18h20 - 19h00
David Alcantara

Thursday 9/4/2026

9h30 - 10h30
Felipe Rincón
10h30 - 12h00
Work in groups
(GALICO members + guest participants: Alexander Engström, Florian Rieg, Felipe Rincón, Raman Sanyal)
12h00 - 13h00
Alexander Engström
13h00 - 15h00
Lunch
15h00 - 17h30
Work in groups
(GALICO members + guest participants: Alexander Engström, Florian Rieg, Felipe Rincón, Raman Sanyal)
17h30 - 18h15
Coffee break
18h20 - 19h00
Gil Puig

Friday 10/4/2026

9h30 - 10h10
Danai Deligeorgaki
10h30 - 12h20
Work in groups
(GALICO members + guest participants: Alexander Engström, Florian Rieg, Felipe Rincón, Raman Sanyal)
12h20 - 13h00
William Dugan

Meals

Except for the social lunch on tuesday 7, meals are not covered by the organization.

Group photo

Group photo

Invited speakers

Felipe Rincón
Real tropicalization

Alexander Engström
Edge ideals



MCIN CIEM UC Banco Santander

Financiado por el proyecto PID2022-137283NB-C21 financiado por MICIU/AEI /10.13039/501100011033 y por FEDER, UE, el CIEM y las Becas Santander Investigación │ Postdoctoral.