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 will be a Simons Fellow in Mathematics in 2017-2018.
I have 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) a Thematic Program in Geometric Representation Theory at Notre Dame in summer 2018.
I am organizing (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 have been 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 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.
Click here for the Workshop on D-Bundles and Integrable Hierarchies in Ann Arbor (May, 2007, devoted to my paper with Ben-Zvi with the same title).
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.
We hosted a Wall-crossing in Mathematics and Physics workshop in Urbana, May 24-28, 2010.
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.
Illinois is now an institutional partner of the African Institute for Mathematical Sciences.
``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!
u-c: smile politely :: prairie fruits :: champaign taste :: s. o. m. :: carle park :: the art
357 Altgeld Hall
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