Tuesday, Sept 28, 3pm ET (8pm BST, 8am Wed NZST)
Jim Geelen, University of Waterloo
Is this Ramsey’s Theorem for Matroids?
For a simple matroid $M$ with no lines of length $l$ or more, if the rank of $M$ is sufficiently large (as a function of $l$) and we $2$-colour the elements of $M$, is there necessarily a monochromatic line? We discuss this and a good many related problems.