13 Illini Hall, MC-382
1409 W. Green Street
Urbana, IL 61801
Differential geometry, global analysis.
I work in metric geometry and Alexandrov spaces of curvature bounded either above or below; Riemannian geometry; Lorentz geometry. My current focus is on our book Alexandrov Geometry and on Alexandrov-meets-Lorentz.
Awards and Honors
Fellow of the American Mathematical Society