Seminar, Combinatorics
Sun 21 February - Fri 31 December
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Seminar, Combinatorics
Wednesday 2021-02-24, 10:15 - 11:15
Location: Zoom meeting ID: 654 5562 3260
2021-02-24T10:15:00.000+01:00 2021-02-24T11:15:00.000+01:00 Maria Dostert: A Semidefinite Programming Bound for the Average Kissing Number (Seminar, Combinatorics) Zoom meeting ID: 654 5562 3260 (KTH, Stockholm, Sweden)Maria Dostert: A Semidefinite Programming Bound for the Average Kissing Number (Seminar, Combinatorics) -
Seminar, Combinatorics
Wednesday 2021-03-03, 10:15 - 11:15
Participating: Eran Nevo (Hebrew University)
Location: Zoom meeting ID: 654 5562 3260
2021-03-03T10:15:00.000+01:00 2021-03-03T11:15:00.000+01:00 Eran Nevo: Face enumeration in flag complexes (Seminar, Combinatorics) Zoom meeting ID: 654 5562 3260 (KTH, Stockholm, Sweden)Eran Nevo: Face enumeration in flag complexes (Seminar, Combinatorics) -
Seminar, Combinatorics
Wednesday 2021-03-10, 10:15 - 11:15
Participating: Luca Schaffler (KTH)
2021-03-10T10:15:00.000+01:00 2021-03-10T11:15:00.000+01:00 Luca Schaffler: Point configurations, phylogenetic trees, and dissimilarity vectors (Seminar, Combinatorics) Luca Schaffler: Point configurations, phylogenetic trees, and dissimilarity vectors (Seminar, Combinatorics) -
Seminar, Combinatorics
Wednesday 2021-03-24, 10:15 - 11:15
Participating: Martin Winter (TU Chemnitz)
Location: Zoom meeting ID: 654 5562 3260
2021-03-24T10:15:00.000+01:00 2021-03-24T11:15:00.000+01:00 Martin Winter: Capturing Polytopal Symmetries in the Edge-Graph (Seminar, Combinatorics) Zoom meeting ID: 654 5562 3260 (KTH, Stockholm, Sweden)Martin Winter: Capturing Polytopal Symmetries in the Edge-Graph (Seminar, Combinatorics) -
Seminar, Combinatorics
Wednesday 2021-03-31, 10:15 - 11:15
Participating: Matthias Schymura (BTU Cottbus-Senftenberg)
Location: Zoom meeting ID: 654 5562 3260
2021-03-31T10:15:00.000+02:00 2021-03-31T11:15:00.000+02:00 Matthias Schymura: Complexity of linear relaxations in integer programming (Seminar, Combinatorics) Zoom meeting ID: 654 5562 3260 (KTH, Stockholm, Sweden)Matthias Schymura: Complexity of linear relaxations in integer programming (Seminar, Combinatorics) -
Seminar, Combinatorics
Wednesday 2021-04-14, 15:15 - 16:15
Participating: Colin Defant (Princeton University)
Location: Zoom meeting ID: 654 5562 3260
2021-04-14T15:15:00.000+02:00 2021-04-14T16:15:00.000+02:00 Colin Defant: Fertilitopes (Seminar, Combinatorics) Zoom meeting ID: 654 5562 3260 (KTH, Stockholm, Sweden)Colin Defant: Fertilitopes (Seminar, Combinatorics) -
Seminar, Combinatorics
Wednesday 2021-04-21, 10:15 - 11:15
Participating: Anders Claesson (University of Iceland)
Location: Zoom meeting ID: 654 5562 3260
2021-04-21T10:15:00.000+02:00 2021-04-21T11:15:00.000+02:00 Anders Claesson: On the problem of Hertzsprung and similar problems (Seminar, Combinatorics) Zoom meeting ID: 654 5562 3260 (KTH, Stockholm, Sweden)Anders Claesson: On the problem of Hertzsprung and similar problems (Seminar, Combinatorics) -
Seminar, Combinatorics
Wednesday 2021-04-28, 15:15 - 16:15
Participating: Thomas Lam
Location: Zoom meeting ID: 654 5562 3260
2021-04-28T15:15:00.000+02:00 2021-04-28T16:15:00.000+02:00 Thomas Lam: Polypositroids (Seminar, Combinatorics) Zoom meeting ID: 654 5562 3260 (KTH, Stockholm, Sweden)Thomas Lam: Polypositroids (Seminar, Combinatorics) -
Seminar, Combinatorics
Wednesday 2021-05-05, 10:15 - 11:15
Participating: Julian Pfeifle (UPC Barcelona)
Location: Zoom meeting ID: 654 5562 3260
2021-05-05T10:15:00.000+02:00 2021-05-05T11:15:00.000+02:00 Julian Pfeifle: Positive Plücker Tree Certificates for Non-Realizability (Seminar, Combinatorics) Zoom meeting ID: 654 5562 3260 (KTH, Stockholm, Sweden)Julian Pfeifle: Positive Plücker Tree Certificates for Non-Realizability (Seminar, Combinatorics) -
Seminar, Combinatorics
Wednesday 2021-05-12, 10:15 - 11:15
Participating: https://kth-se.zoom.us/j/65455623260
Location: Zoom meeting ID: 654 5562 3260
2021-05-12T10:15:00.000+02:00 2021-05-12T11:15:00.000+02:00 Amy Wiebe: A combinatorial approach to Minkowski tensors of polytopes (Seminar, Combinatorics) Zoom meeting ID: 654 5562 3260 (KTH, Stockholm, Sweden)Amy Wiebe: A combinatorial approach to Minkowski tensors of polytopes (Seminar, Combinatorics) -
Seminar, Combinatorics
Wednesday 2021-05-19, 15:15 - 16:15
Participating: Jonathan Leake (TU Berlin)
Location: Zoom meeting ID: 654 5562 3260
2021-05-19T15:15:00.000+02:00 2021-05-19T16:15:00.000+02:00 Jonathan Leake: Transportation polytope volume bounds via polynomial capacity and Lorentzian polynomials (Seminar, Combinatorics) Zoom meeting ID: 654 5562 3260 (KTH, Stockholm, Sweden)Jonathan Leake: Transportation polytope volume bounds via polynomial capacity and Lorentzian polynomials (Seminar, Combinatorics) -
Seminar, Combinatorics
Wednesday 2021-05-26, 10:15 - 11:15
Participating: Eleni Tzanaki (University of Crete)
Location: Zoom meeting ID: 654 5562 3260
2021-05-26T10:15:00.000+02:00 2021-05-26T11:15:00.000+02:00 Eleni Tzanaki: Symmetric decompositions, triangulations and real-rootedness (Seminar, Combinatorics) Zoom meeting ID: 654 5562 3260 (KTH, Stockholm, Sweden)Eleni Tzanaki: Symmetric decompositions, triangulations and real-rootedness (Seminar, Combinatorics) -
Seminar, Combinatorics
Wednesday 2021-06-09, 10:15 - 11:15
Participating: Emanuele Delucchi (IDSIA-SUPSI e Università di Pisa)
Location: Zoom, meeting ID: 654 5562 3260
2021-06-09T10:15:00.000+02:00 2021-06-09T11:15:00.000+02:00 Emanuele Delucchi: Supersolvable posets and the K(\pi,1) property for Abelian arrangements. (Seminar, Combinatorics) Zoom, meeting ID: 654 5562 3260 (KTH, Stockholm, Sweden)Emanuele Delucchi: Supersolvable posets and the K(\pi,1) property for Abelian arrangements. (Seminar, Combinatorics) -
Seminar, Combinatorics
Wednesday 2021-06-16, 10:15 - 11:15
Participating: Luis Ferroni (Università di Bologna)
Location: Zoom meeting ID: 654 5562 3260
2021-06-16T10:15:00.000+02:00 2021-06-16T11:15:00.000+02:00 Luis Ferroni: Matroids are not Ehrhart positive (Seminar, Combinatorics) Zoom meeting ID: 654 5562 3260 (KTH, Stockholm, Sweden)Luis Ferroni: Matroids are not Ehrhart positive (Seminar, Combinatorics) -
Seminar, Combinatorics
Wednesday 2021-06-23, 10:15 - 11:15
Participating: Alexander Lazar (KTH)
Location: Zoom meeting ID: 654 5562 3260
2021-06-23T10:15:00.000+02:00 2021-06-23T11:15:00.000+02:00 Alexander Lazar: q-Enumeration of Barely Set-Valued Tableaux and P-Partitions (Seminar, Combinatorics) Zoom meeting ID: 654 5562 3260 (KTH, Stockholm, Sweden)Alexander Lazar: q-Enumeration of Barely Set-Valued Tableaux and P-Partitions (Seminar, Combinatorics) -
Seminar, Combinatorics
Wednesday 2021-09-01, 15:15 - 16:15
Participating: Chris Eur (Harvard University)
Location: Zoom meeting ID: 654 5562 3260
2021-09-01T15:15:00.000+02:00 2021-09-01T16:15:00.000+02:00 Chris Eur:Tautological classes of matroids (Seminar, Combinatorics) Zoom meeting ID: 654 5562 3260 (KTH, Stockholm, Sweden)Chris Eur:Tautological classes of matroids (Seminar, Combinatorics) -
Seminar, Combinatorics
Wednesday 2021-09-08, 10:15 - 11:15
Location: Zoom meeting ID: 654 5562 3260
2021-09-08T10:15:00.000+02:00 2021-09-08T11:15:00.000+02:00 Mariel Supina:Equivariant Ehrhart theory: Overview and recent results (Seminar, Combinatorics) Zoom meeting ID: 654 5562 3260 (KTH, Stockholm, Sweden)Mariel Supina:Equivariant Ehrhart theory: Overview and recent results (Seminar, Combinatorics) -
Seminar, Combinatorics
Wednesday 2021-09-15, 10:15 - 11:15
Location: Zoom meeting ID: 654 5562 3260
2021-09-15T10:15:00.000+02:00 2021-09-15T11:15:00.000+02:00 Akihiro Higashitani:Universal inequalities for h*-vectors of lattice polytopes (Seminar, Combinatorics) Zoom meeting ID: 654 5562 3260 (KTH, Stockholm, Sweden)Akihiro Higashitani:Universal inequalities for h*-vectors of lattice polytopes (Seminar, Combinatorics) -
Seminar, Combinatorics
Wednesday 2021-09-22, 10:15 - 11:15
Participating: Peter J. Cameron (University of St Andrews)
Location: Zoom meeting ID: 654 5562 3260
2021-09-22T10:15:00.000+02:00 2021-09-22T11:15:00.000+02:00 Peter J. Cameron:The geometry of diagonal groups (Seminar, Combinatorics) Zoom meeting ID: 654 5562 3260 (KTH, Stockholm, Sweden)Peter J. Cameron:The geometry of diagonal groups (Seminar, Combinatorics) -
Seminar, Combinatorics
Wednesday 2021-09-29, 10:15 - 11:15
Participating: Eva Philippe (Sorbonne Université)
Location: Zoom meeting ID: 654 5562 3260
2021-09-29T10:15:00.000+02:00 2021-09-29T11:15:00.000+02:00 Eva Philippe:Sweep polytopes and sweep oriented matroids (Seminar, Combinatorics) Zoom meeting ID: 654 5562 3260 (KTH, Stockholm, Sweden)Eva Philippe:Sweep polytopes and sweep oriented matroids (Seminar, Combinatorics) -
Seminar, Combinatorics
Wednesday 2021-10-06, 15:15 - 16:15
Participating: Richard Stanley (M.I.T. and University of Miami)
Location: Zoom meeting ID: 654 5562 3260
2021-10-06T15:15:00.000+02:00 2021-10-06T16:15:00.000+02:00 Richard Stanley: Two Analogues of Pascal's Triangle (Seminar, Combinatorics) Zoom meeting ID: 654 5562 3260 (KTH, Stockholm, Sweden)Richard Stanley: Two Analogues of Pascal's Triangle (Seminar, Combinatorics) -
Seminar, Combinatorics
Wednesday 2021-10-13, 10:15 - 11:15
Participating: Lukas Kühne (Max Planck Institute of Mathematics in the Sciences, Leipzig)
Location: Zoom meeting ID: 654 5562 3260
2021-10-13T10:15:00.000+02:00 2021-10-13T11:15:00.000+02:00 Lukas Kühne: Matroids and Algebra (Seminar, Combinatorics) Zoom meeting ID: 654 5562 3260 (KTH, Stockholm, Sweden)Lukas Kühne: Matroids and Algebra (Seminar, Combinatorics) -
Seminar, Combinatorics
Wednesday 2021-10-20, 10:15 - 11:15
Participating: Luis Ferroni (Università di Bologna)
Location: Zoom meeting ID: 654 5562 3260
2021-10-20T10:15:00.000+02:00 2021-10-20T11:15:00.000+02:00 Luis Ferroni:Valuative invariants for large classes of matroids (Seminar, Combinatorics) Zoom meeting ID: 654 5562 3260 (KTH, Stockholm, Sweden)Luis Ferroni:Valuative invariants for large classes of matroids (Seminar, Combinatorics) -
Seminar, Combinatorics
Wednesday 2021-10-27, 10:15 - 11:15
Participating: Hailun Zheng (University of Copenhagen)
Location: Zoom meeting ID: 654 5562 3260
2021-10-27T10:15:00.000+02:00 2021-10-27T11:15:00.000+02:00 Hailun Zheng: Techniques in constructing neighborly polytopes and spheres (Seminar, Combinatorics) Zoom meeting ID: 654 5562 3260 (KTH, Stockholm, Sweden)Hailun Zheng: Techniques in constructing neighborly polytopes and spheres (Seminar, Combinatorics) -
Seminar, Combinatorics
Wednesday 2021-11-03, 10:15 - 11:15
Participating: Daniel Köhne (Universität Osnabrück)
Location: Zoom meeting ID: 654 5562 3260
2021-11-03T10:15:00.000+01:00 2021-11-03T11:15:00.000+01:00 Daniel Köhne: Laplacian Polytopes of Oriented Simplicial Complexes (Seminar, Combinatorics) Zoom meeting ID: 654 5562 3260 (KTH, Stockholm, Sweden)Daniel Köhne: Laplacian Polytopes of Oriented Simplicial Complexes (Seminar, Combinatorics) -
Seminar, Combinatorics
Wednesday 2021-11-10, 10:15 - 11:15
Participating: Jorge Olarte (TU Berlin)
Location: Zoom meeting ID: 654 5562 3260
2021-11-10T10:15:00.000+01:00 2021-11-10T11:15:00.000+01:00 Jorge Olarte: The tropical symplectic Grassmannian (Seminar, Combinatorics) Zoom meeting ID: 654 5562 3260 (KTH, Stockholm, Sweden)Jorge Olarte: The tropical symplectic Grassmannian (Seminar, Combinatorics) -
Seminar, Combinatorics
Wednesday 2021-11-17, 10:15 - 11:15
Participating: Bin Han (KTH)
Location: Zoom meeting ID: 654 5562 3260
2021-11-17T10:15:00.000+01:00 2021-11-17T11:15:00.000+01:00 Bin Han: On the gamma-positivity of binomial Eulerian polynomials for colored permutations (Seminar, Combinatorics) Zoom meeting ID: 654 5562 3260 (KTH, Stockholm, Sweden)Bin Han: On the gamma-positivity of binomial Eulerian polynomials for colored permutations (Seminar, Combinatorics) -
Seminar, Combinatorics
Wednesday 2021-11-24, 10:15 - 11:15
Participating: Galen Dorpalen-Barry (Ruhr-Universität Bochum)
Location: Zoom meeting ID: 654 5562 3260
2021-11-24T10:15:00.000+01:00 2021-11-24T11:15:00.000+01:00 Galen Dorpalen-Barry: Varchenko-Gel’fand Ring of a "Cone" of a Hyperplane Arrangement (Seminar, Combinatorics) Zoom meeting ID: 654 5562 3260 (KTH, Stockholm, Sweden)Galen Dorpalen-Barry: Varchenko-Gel’fand Ring of a "Cone" of a Hyperplane Arrangement (Seminar, Combinatorics) -
Seminar, Combinatorics
Wednesday 2021-12-01, 15:15 - 16:15
Participating: Marta Pavelka (University of Miami)
Location: Zoom meeting ID: 654 5562 3260
2021-12-01T15:15:00.000+01:00 2021-12-01T16:15:00.000+01:00 Marta Pavelka: 2-LC triangulated manifolds are exponentially many (Seminar, Combinatorics) Zoom meeting ID: 654 5562 3260 (KTH, Stockholm, Sweden)Marta Pavelka: 2-LC triangulated manifolds are exponentially many (Seminar, Combinatorics)