Harvard University Department of Mathematics 1 Oxford Street Cambridge, MA 02138 Office: 324f Email: campbell at math dot harvard dot edu |

- The Bernstein center of a
*p*-adic unipotent group - The big projective module as a nearby cycles sheaf. J. Sel. Math. New Ser.
**23**(1) (2017), 721-726. - A resolution of singularities for Drinfeld's compactification by stable maps
- Nearby cycles of Whittaker sheaves on Drinfeld's compactification (preprint of thesis work)
- Unramified geometric class field theory and Cartier duality

- Some examples of the Riemann-Hilbert correspondence
- Seminar on Gaitsgory and Rozenblyum's book (seminar homepage with some notes by me and others)
- Geometric representation theory of SL_2(R)
- Semi-infinite linear algebra

- Problem Set 1
- Problem Set 2
- Problem Set 3
- Problem Set 4
- Problem Set 5
- Problem Set 6
- Problem Set 7
- Problem Set 8
- Problem Set 9