Pretty Good Gravity
微分几何
2007-05-23 v3 代数拓扑
摘要
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.
引用
@article{arxiv.math/0007018,
title = {Pretty Good Gravity},
author = {Jack Morava},
journal= {arXiv preprint arXiv:math/0007018},
year = {2007}
}
备注
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