The unit sphere in flat spacetime, anti-deSitter-spacetime models of particle collisions, and Alexandrov curvature-A Talk by Stephanie Alexander
Lecture / Panel
For NYU Community
![](/sites/default/files/styles/content_header_default_1x/public/migrated/2012-03/events/WebToot.jpg?itok=Ihx-sOrS)
Stephanie Alexander, University of Illinois at Urbana-Champaign