The Virtual 10th Combinatorics Days 2020

This is the 10th edition of the Combinatorics Days, to be held online, Zoom platform, on the 30th of November and the 7th of December.

To access the Zoom links, you must first register for the event by sending an email to:


November 30th, Monday, Lisbon/London time (GMT)

17:50 - 18:00 Get-together

18:00 - 18:30 Loïc Foissy (LMPA Joseph Liouville, Université du Littoral Côte d'Opale): 

Algebraic structures on noncrossing partitions

18:40 - 19:05 Raul Penaguião (San Francisco State University): 

Feasible regions meets pattern avoidance - The long awaited part three of feasible regions

19:15 - 19:40 Henrique Cruz (CMA, University of Beira Interior): 

Classes of (0, 1)-matrices where the Bruhat order and the Secondary Bruhat order coincide

19:50 - 20:15 António Malheiro (CMA, NOVA University Lisbon): 

Crystals & Trees


December 7th, Monday, Lisbon/London time (GMT)

16:50 - 17:00 Get-together

17:00 - 17:30 Per Alexandersson (University of Stockholm): 

Skew specialized Macdonald polynomials and charge

17:40 - 18:05 João Miguel Santos (CMUC, University of Coimbra): 

Symplectic right keys - Type C Willis' direct way 

18:15 - 18:45 Jake Levinson (Simon Fraser University): 

Axioms for shifted tableau crystals

18:55 - 19:20 Inês Rodrigues (CEAFEL, University of Lisbon): 

Shifted Bender-Knuth moves and a shifted Berenstein-Kirillov group

19:30 - 19:55 Maria Manuel Torres (CEAFEL, University of Lisbon): 

Eulerian polynomials via the Weyl Algebra action

Date and Venue

Start Date
zoom conference
End Date