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KTH Combinatorics Seminar

The Combinatorics Seminar is held every wednesday in room 3418 . The talks start at 10:15 am (50mins + questions). Any variation from this will be marked on this table and promptly communicated on the Calendar .

If you wish to be included in the mailing list of the seminar, please contact the organizers.

Organizers:
Joseph Johnson , Lorenzo Vecchi , Emil Verkama

Spring 2025

Date Speaker Title
31/01 MaP-Trop III .
05/02 Leonardo Saud Maia Leite (KTH)

TN matrices, chain enumeration and zeros of polynomials

12/02 Krishna Menon (KTH) Two topics in Enumerative Combinatorics
19/02 Liam Solus (KTH) Cosmological polytopes: an update
26/02 Elena Hoster (Ruhr-University of Bochum)

Chow polynomials of uniform matroids

05/03 . .
12/03 Benjamin Schröter (KTH) Good triangulations and h*-polynomials of cosmological polytopes
19/03 Darij Grinberg (Drexel University) The random-to-random shuffles and their q-deformations
26/03

Kristóf Bérczi (Eötvös Loránd University)

TBA

02/04

Angela Carnevale (University of Galway) TBA
09/04 Marina Garrote López (KTH) TBA
16/04 Anna Lindeberg (Stockholm University) TBA
23/04 . .
30/04 Valborg .
07/05 Dirk Frettlöh (University of Bielefeld) TBA
14/05 Felipe Rincón (Queen Mary University of London) TBA

21/05

. .
28/05 . .
29-30/05 AlCoVE .
04/06 . .
11/06 Giulia Codenotti (FU Berlin) TBA
18/06 . .

Autumn-Winter 2024

Date Speaker Title
04/09 Jon Pål Hamre (KTH) Schubert coefficients of matroids
11/09 Alexander Lazar (Université Libre de Bruxelles) Shuffle Theorems and Sandpiles
18/09 Nicholas Proudfoot (University of Oregon) Orlik-Terao algebras and internal zonotopal algebras
25/09 Alperen Özdemir (KTH) Martingales and descents
2/10 Leonie Mühlherr (University of Bielefeld) Fundamental polytopes on finite metric spaces and the Wasserstein arrangement
 
9/10 Francisco Ponce Carrión (NCSU) Marginal independence and the poset of partial set partitions  (online talk at 16:15)
16/10 István Tomon (Umeå University) Dedekind's problem in the hypergrid
23/10 Lorenzo Vecchi (KTH) Inductive and divisional posets
30/10 Aryaman Jal (KTH) Rook matroids and log-concavity of P-Eulerian polynomials
6/11 Basile Coron (Queen Mary University of London) An algebraic interpretation of Eulerian polynomials, derangement polynomials, and beyond, via Gröbner methods
13/11 Teemu Lundström (Aalto University) f-vector inequalities for order and chain polytopes
20/11 Kemal Rose (KTH) Computing positive tropical varieties and lower bounds on the number of positive roots
27/11 Danai Deligeorgaki (KTH) Canon Permutations
4/12 . .
11/12 Polytopes and Friends 9-11/12