Lecture notes
Basic L-functions, notes for a lecture given at Central European University in 2009 [pdf]
A special cubic modulo primes, notes for a lecture given at Lauder Javne Jewish Community School in 2009 [pdf]; Lecture outline [pdf]
The spectral decomposition of shifted convolution sums, notes for a lecture given at Bristol University and the University of Oxford in 2007 [pdf]
Additív konvolúciós összegek spektrális felbontása [Hungarian], notes for a lecture given at Rényi Institute in 2007 [pdf]
Equidistribution on the modular surface and L-functions, notes for two lectures given at the 2007 summer school "Homogeneous Flows, Moduli Spaces and Arithmetic" in Pisa, Italy [pdf]
Introduction to number theory, notes for a one-semester course taught in 2005 at the University of Texas in Austin [pdf]