Combinatorics Seminar 2018

Speaker: Richard Wilson, California Institute of Technology

Date: Tue, Nov 06, 2018

Time: 09:00 - 10:00

Venue: Middle Meeting Room

Title: Some applications of linear algebra to extremal set theory


We begin with an inequality on the rank of a matrix with few distinct off-diagonal entries and relate this to families of multisets with few pairwise intersection sizes. It is useful to considerthe matrices modula primes $p$.