Four-Manifold Invariants and Donaldson-Witten Theory
arXiv:2312.14709
Abstract
This article surveys invariants of four-manifolds and their relation to Donaldson-Witten theory, and other topologically twisted Yang-Mills theories. The article is written for the second edition of the Encyclopedia of Mathematical Physics, and focuses on the period since the first edition in 2006.
25 pages. Comments welcome