2000/07/31 by Jack Morava
Mathematics · #math.DG #math.AT #msc:19Dxx #msc:57Rxx #msc:83Cxx
published as Adv.Theor.Math.Phys. 5 (2002) 51-66 · Talk at the RIMS Symposium on algebraic geometry and integrable systems related to string theory, Kyoto, June 12-16, 2000. This final version is to appear in Adv. Theoretical and Mathematical Physics
arxiv created 2001/09/13 · arxiv updated 2009/11/30
A theory of topological gravity is a homotopy-theoretic representation of the Segal-Tillmann topologification of a two-category with cobordisms as morphisms. This note describes a relatively accessible example of such a thing, suggested by the wall-crossing formulas of Donaldson theory.