*Almost everywhere convergence of convolution powers in L^1 *,
Illinois J. of Math. 37 (1993), 666--679.

*Disparity
in behavior of perturbed sequences in $L^p$ spaces *,
Proc. AMS. 120, 3, (1994), 865--874.

*The strong sweeping out property for lacunary sequences,
for the Riemann sums, and related matters*,
with M. Akcoglu, A. Bellow, R. Jones, V. Losert and M. Wierdl,
Ergodic Th. and Dyn. Sys. J. 16, Issue 2 (1996), 207--253.

Featured Review of Math Reviews

*Weakly independent partitions along IP--sets*,
with A. del Junco and B. Weiss,
Ergod. Th. & Dynam. Sys. 19, Issue 2 (1999),
447--473.

*Spectral type of rank one transformations*,
(dvi file),
(pdf file)
with I. Klemes,
Israel J. 98 (1997), 1--4.

*A smoother ergodic average*,
(dvi file),
(pdf file),
Illinois Journal 44 (2000), no. 4, 843-859.

*On approach regions for the Conjugate Poisson kernel and
singular integrals*,
(dvi file),
(pdf file)
with S. Ferrando and R. Jones,
Studia Math. 120 (1996),
no. 2, 169--182.

*Oscillation and variation for the Hilbert transform*,
with J. Campbell, R. Jones, and M. Wierdl, Duke Math J. 105, no.1, (2000),
59-83.

*Oscillation and variation inequalities for convolution operators*,
(dvi file),
(pdf file)
with R. Jones, Ergodic Th. & Dynam. Sys. 21 (2001), 1809-1829.

*Oscillation and variation for singular integrals in higher
dimensions*, with J. Campbell, R. Jones, and M. Wierdl, Trans. AMS 355,
no. 5 (2002), 2115-2137.

* JOP's counting function and Jones' square function*, Studia
Mathematica 172 (1) (2006), 1-23.