Essence of independence: Hodge theory of matroids since June Huh
arXiv:2211.05724
Abstract
Matroids are combinatorial abstractions of independence, a ubiquitous notion that pervades many branches of mathematics. June Huh and his collaborators recently made spectacular breakthroughs by developing a Hodge theory of matroids that resolved several long-standing conjectures in matroid theory. We survey the main results in this development and ideas behind them.
30 pages. Minor revisions. To appear in Bull. Am. Math. Soc. Comments welcome!