Exponential sums and diophantine problems, Ph. D. Thesis, University of Michigan, 1999.
On simultaneous diagonal inequalities, J. London Math. Soc. (2)60(1999), 659--676.
The density of rational lines on cubic hypersurfaces, Trans. Amer. Math. Soc.352(2000), 5045--5062.
Multiple exponential sums over smooth numbers, J.ReineAngew. Math.532(2001), 47--104.
On simultaneous diagonal inequalities II, Mathematika48(2001), 191--202.
(withT. D. Wooley)On pairs of diagonalquinticforms,CompositioMath.131(2002), 61--96.
Iterative methods for pairs of additivediophantineequations, Number Theory for the MillenniumIII(Urbana, IL 2000), pp. 107--118, A K Peters, 2002.
Pairs of additive equations of small degree,ActaArith.104(2002), 345--402.
On simultaneous diagonal inequalities III, Quart. J. Math.53(2002), 347--363.
(withT. D. Wooley)A quasi-paucity problem, Michigan Math. J.50(2002), 461--469.
Irrational linear forms in prime variables, J. Number Theory97(2002), 144--156.
Diophantine approximation with primes and powers of two, New York J. Math.9(2003), 363--371.
A generalization ofVinogradov'smean value theorem, Proc. London Math. Soc. (3)91(2005), 1--32.
(with J. P. Sorenson)Fast bounds on the distribution of smooth numbers, Algorithmic Number Theory (Berlin, 2006), 168--181, Lecture Notes inComput. Sci. 4076, Springer, 2006.
Asymptotic estimates for rational linear spaces on hypersurfaces, Trans. Amer. Math. Soc.361(2009), 2929--2957.
OntheBombieri-Korobovestimate for Weyl sums,ActaArith.138(2009), 363--372.
(with J. Mc Laughlin)A Hardy-Ramanujan-Rademacher-type formula for (r,s)-regular partitions, Ramanujan J.28(2012), 253--271.
Hua-type iteration for multidimensional Weyl sums,Mathematika58(2012), 209--224.
(withS. M. Prendiville and T. D. Wooley)Near-optimal mean value estimates for multidimensional Weyl sums, Geom.Funct. Anal.23(2013), 1962--2024.
A note on Weyl’s inequality for eighth powers, Rocky Mountain J. Math.44(2014), 259--268.
(withT. D. Wooley)Exceptional sets for Diophantine inequalities,Internat.Math. Res. Notices (2014), no. 14, 3919--3974.
(withJ. Brandes)Simultaneous additive equations: Repeated and differing degrees,Canad. J. Math.69(2017), 258--283.