Graduate seminar in

SEIBERG-WITTEN THEORY AND TOPOLOGY OF 4-MANIFOLDS

Seminar outline:


Preliminaries:

Vector bundles. Connections and the curvature. Characteristic classes. The universal bundle. Classification of connections. Hodge theory.

Spin geometry on 4-manifolds:

Spin groups and spin structures on a manifold. Almost complex and spin-C structures. Clifford algebras. The spin connection. The Dirac operator. The Atiyah-Singer index theorem.

The Seiberg-Witten theory:

The Seiberg-Witten equations. The moduli space and its compactness. Transversality theorem. Topology of 4-manifolds. Seiberg-Witten invariants. Dirac operators on Kahler manifolds. Invariants of Kahler surfaces. The proof of Thom's conjecture.

Prerequisites:

Basic courses in differential geometry and topology.

Books:

Lectures on Seiberg-Witten invariants, by J. Moore;
The Seiberg-Witten equations and applications to the topology of smooth four-manifolds, by J.Morgan