Books and Book Chapters:
- Joint with Mike Krebs, Expander Graphs (Chapter 10.6) in Handbook of Graph Theory, 2nd edition, CRC Press, pgs. 1337--1347, 2014.
- Joint with Mike Krebs, Expander Families and Cayley Graphs : A Beginner's Guide, Oxford University Press, 2011.
- Joint with Spencer Johnson and Gustavo Subuyuj, The isoperimetric number of a generalized Paley graph, Serdica Math. Journal, 42, 2016, pgs. 235--250.
- Joint with Kevin Cramer, Mike Krebs, Nicole Shabazi, and Edward Voskanian, The Isoperimetric and Kazhdan constants associated to a Paley graph, Involve, Volume 9, No. 2, pgs. 293--306, 2016.
- Joint with Richard Katz and Mike Krebs, Zero sums on unit square vertex sets and plane colorings, MAA Monthly, August--September, pgs. 610--618, 2014.
- Joint with Caleb Emmons and Mike Krebs, K-Quasiderivations, Central European Journal of Mathematics, Volume 10, Number 2, pgs. 824--834, 2012. The original publication is available at www.springer.com.
- Joint with Caleb Emmons and Mike Krebs, How to differentiate an integer modulo n, College Mathematics Journal, pgs. 345--353, November, 2009.
- Joint with Mike Krebs, On the spectra of Johnson graphs, Electronic Journal of Linear Algebra, vol. 17, pgs. 154--167, 2008.
- A trace formula for finite upper half planes, Journal of the Ramanujan Mathematical Society, 21, no. 4, pgs. 343--363, 2006.
- Joint with Audrey Terras, Fourier expansions of complex-valued Eisenstein series on finite upper half planes, International Journal of Mathematics and Mathematical Sciences, 2006.
- Finite planes and finite upper half planes : their geometry, a trace formula, modular forms, and Eisenstein series, PhD thesis, UCSD, 2005.