Recent papers and preprints, all in PDF format:

Heights of Kudla-Rapoport divisors and derivatives of L-functions, joint with J. Bruinier and T. Yang
To appear in Invent. Math.
Complex multiplication cycles and Kudla-Rapoport divisors II
To appear in Amer. J. Math.
On the supersingular locus of the GU(2,2) Shimura variety, joint with G. Pappas
Algebra and Number Theory 8 (2014), 1659-1699.
Complex multiplication cycles and Kudla-Rapoport divisors
Annals of Math. 176 (2012), 1097-1171.
Intersections of Hirzebruch-Zagier divisors and CM cycles, joint with T. Yang
Lecture Notes in Mathematics #2041 (2011).

For older papers, go to the arXiv.

Moduli spaces of CM elliptic curves and derivatives of Eisenstein series
notes for a series of lectures given 2009 at the Morningside Center for Mathematics
Rankin-Selberg L-functions and cycles on unitary Shimura varieties
based on lectures given at the Bellairs Research Institute in 2013.

This work was supported in part by NSF grant DMS-0901753.