Graphs and Matroids

combinatorics

Audience:	Researchers in the topic
Seminar series time:	Monday 20:00-21:00 in your time zone, UTC
Organizers:	Jim Geelen, Peter Nelson, Rose McCarty*, Shayla Redlin
	*contact for this listing

Description: Weekly seminar series on graphs and matroids.

The webpage is matroidunion.org/?page_id=2477. Talks will be announced at: matroidunion.org/?tag=online-talks. Email rose.mccarty ~at~ uwaterloo ~.~ ca for the password.

Upcoming talks

Past talks

Your time			Speaker	Title
Mon	Apr 19	19:00	Daniel Bernstein	Rigidity of symmetry-forced frameworks
Mon	Apr 12	19:00	Daryl Funk	The class of bicircular matroids has only a finite number of excluded minors
Mon	Apr 05	19:00	Raphael Steiner	Directed graphs: Substructures and Coloring
Mon	Mar 29	19:00	Charles Semple	Matroids with wheel- and whirl-like properties
Mon	Mar 22	19:00	Peter Nelson	Formalizing matroids
Mon	Mar 15	19:00	Ben Moore	A density bound for triangle-free 4-critical graphs
Mon	Mar 08	20:00	Nick Brettell	The excluded minors for 2-regular matroids, and for Hydra-5-representable matroids
Mon	Mar 01	22:00	O-joung Kwon	A unified half-integral Erdős-Pósa theorem for cycles in graphs labelled by multiple abelian groups
Mon	Feb 22	20:00	Geoff Whittle	Monotone orders of connectivity functions
Mon	Feb 08	22:00	David Wood	Hypergraph Colouring via Rosenfeld Counting
Mon	Feb 01	20:00	Meike Hatzel	Perfect Matching Width and a grid minor theorem for bipartite graphs
Mon	Jan 25	20:00	Liana Yepremyan	Ryser’s conjecture and more
Mon	Jan 18	20:00	Kazuhiro Nomoto	$I_t$-free, triangle-free binary matroids
Mon	Jan 11	20:00	Stephan Kreutzer‬	Directed tangles
Mon	Dec 07	20:00	Sergey Norin	Densities of minor-closed graph classes
Mon	Nov 30	20:00	Johannes Carmesin	Matroids and embedding graphs in surfaces
Mon	Nov 23	20:00	Sarah Allred	Unavoidable Induced Subgraphs of Large 2-connected Graphs
Mon	Nov 16	20:00	Jakob Kneip	Tangles are decided by weighted vertex sets
Mon	Nov 09	20:00	James Davies	Geometric intersection graphs with large girth and chromatic number
Mon	Nov 02	20:00	Attila Joó	The Matroid Intersection Conjecture of Nash-Williams
Mon	Oct 26	19:00	Rose McCarty	Colouring pseudo-visibility graphs
Mon	Oct 19	19:00	Erik Panzer	The Hepp bound of a matroid: flags, volumes and integrals
Mon	Oct 05	19:00	Lorenzo Traldi	Isotropic matroids and circle graphs
Mon	Sep 28	19:00	Daniel Cranston	Vertex Partitions into an Independent Set and a Forest with Each Component Small
Fri	Sep 25	17:00	Alexey Pokrovskiy	Rota's Basis Conjecture holds asymptotically (NEW TIME)
Mon	Sep 14	19:00	Oliver Lorscheid	Foundations of Matroids without Large Uniform Minors, Part 2
Mon	Sep 07	19:00	Matt Baker	Foundations of Matroids without Large Uniform Minors, Part 1
Mon	Aug 31	19:00	Tony Huynh	Subgraph densities in a surface
Mon	Aug 24	19:00	Ahmad Abdi	Ideal clutters and dyadic fractional packings
Mon	Aug 17	19:00	Sophie Spirkl	A graph-based introduction to the chromatic symmetric function
Mon	Aug 10	19:00	Yelena Yuditsky	Typical structure of hereditary graph families
Mon	Aug 03	19:00	Jim Geelen	Towards the excluded-minors for GF(5)-representability
Mon	Jul 27	19:00	Zach Walsh	Quadratically Dense Matroids
Mon	Jul 20	19:00	Pascal Gollin	Obstructions for bounded branch-depth in matroids
Mon	Jul 13	19:00	Federico Ardila	Geometry of matroids
Mon	Jul 06	19:00	Marthe Bonamy	Graph classes and their Asymptotic Dimension
Mon	Jun 22	19:00	Matthew Kwan	Halfway to Rota’s basis conjecture
Mon	Jun 15	19:00	Rutger Campbell	Matroids doing algebra
Mon	Jun 08	19:00	Relinde Jurrius	q-Analogues in combinatorics
Mon	Jun 01	19:00	Iain Moffatt	The Tutte polynomial of a delta-matroid and the world of graph polynomials
Mon	May 25	19:00	Peter Nelson	Extensions and coextensions of cliques
Mon	May 11	19:00	Rudi Pendavingh	Counting valuated matroid types
Mon	May 04	19:00	Nathan Bowler	Quasi-graphic matroids
Mon	Apr 27	19:00	Dillon Mayhew	Definability and non-definability for classes of matroids

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