![Atiyah-INI](https://scgp.stonybrook.edu/wp-content/uploads/2012/04/Atiyah-INI.png)
![Lebrun-web](https://scgp.stonybrook.edu/wp-content/uploads/2012/04/Lebrun-web-250x300.png)
With collaborative research started in the fall of 2011 at the Simons Center for Geometry and Physics, the authors study Einstein metrics on smooth compact 4-manifolds with an edge-cone singularity of specified cone angle along an embedded 2-manifold.
Download the PDF for full abstract and paper: Atiyah-Lebrun Curvature, Cones, and Characteristic Numbers