I'm a professor at the University of Illinois at Urbana-Champaign. My research lies at the boundaries of algebraic geometry, geometric representation theory, and mathematical physics.
I recently joined the editorial board of the Illinois Journal of Mathematics.
I am a Simons Fellow in Mathematics in 2017-2018.
I received the 2017 UIUC Campus Award and the Liberal Arts and Sciences Dean's Award for Excellence in Undergraduate Teaching.
I am organizing (jointly with Sam Evens and Kevin McGerty) a Thematic Program in Geometric Representation Theory at Notre Dame in summer 2018.
I organized (jointly with Ron Donagi, Albrecht Klemm, and Artan Sheshmani) a Conference on Enumerative Geometry, Mirror Symmetry, and Physics at UIUC, July 17-21, 2017.
I organized (jointly with Emily Cliff) a special session at the AMS Sectional Meeting in Minneapolis in October, 2016.
I organized (jointly with Sarah Kitchen) a workshop, Advances in Geometric Representation Theory, in Ann Arbor, May 9-13, 2016.
I was part of an NSF-funded Focused Research Group (FRG)---studying the mathematics of the N=(2,0) superconformal field theories in 6D that arise as limits of the M5-brane theory---with David Ben-Zvi, Dan Freed, Edward Frenkel, Mike Hopkins, Greg Moore, David Nadler, Andy Neitzke, and Constantin Teleman. We organized a workshop, Geometric Unification from Six-Dimensional Physics, in Banff, May 24-29, 2015.
In Fall, 2014 I was an Associate in UIUC's Center for Advanced Study and (for some weeks) a Research Member at MSRI.
In May, 2014 I was a Simons Visiting Professor at Oberwolfach and Oxford.
In Trinity Term, 2013 I was a Visiting Fellow at All Souls College, Oxford.
In Winter, 2013 I was a Research Professor at MSRI.
In 2013, I received the UIUC Math Department's Distinguished Teaching Award for Tenured Faculty.
In 2009-2010, I was a Helen Corley Petit Scholar in the College of Liberal Arts and Sciences at Illinois.
In March, 2009, David Ben-Zvi and I organized a session of the AMS sectional meeting on Algebraic Geometry, Representation Theory, and Topological Field Theories. Notes are here.
In December, 2008 I was an NAS-Cinvestav Lecturer in Mexico City.
In 2007-2008 I was a Beckman Fellow in UIUC's Center for Advanced Study.
I received my PhD from the University of Chicago in June 2000, under the direction of Kevin Corlette. In 2000--2004 I was an assistant professor and NSF postdoctoral fellow at Michigan with Bill Fulton as my NSF supervisor. In spring 2002 I visited MSRI as a postdoctoral fellow.
``The motivation for a physicist to study 1-dimensional problems is best illustrated by the story of the man who, returning home late at night after an alcoholic evening, was scanning the ground for his key under a lamppost; he knew, to be sure, that he had dropped it somewhere else, but only under the lamppost was there enough light to conduct a proper search.'' --F. Calogero
Click here to access my mathematical genealogy. Students: start clicking on "advisor" and trace it back to Leibniz!
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