My research interests are in Banach algebras and
several complex
variables,

particularly in approximation theory. Some
recent papers are available below.

[1] "Polynomial Approximation on
Real-Analytic Varieties in **C**^{n},
" (with Alexander Izzo and John Wermer), *Proc. of the A.M.S.
***132 **, no. 5 (2004) 1495-1500.

[3] "A Cauchy-Green Formula on the Unit Sphere in

[4] "Approximation Problems on the Unit
Sphere in C^{2},"
(with John Wermer), in Operator
Theory: Advances and Applications,(memorial volume dedicated to
S. Ya Khavinson) 158
(2005) 101-108.

[5] "Approximation by CR Functions on the
Unit Sphere in C^{2},"
(with John
Wermer), in Recent Advances in Operator-Related
Function Theory, A.M.S.
Contemporary Mathematics Series, 393
(2006) 35-49.

[6] "Peak Point Theorems for Uniform Algebras on
Smooth Manifolds,"
(with Alex Izzo), Mathematische
Zeitschrift 261 (2009) 65-71.

[7] "Boundary Behavior of some Cauchy
Transforms," (with Joseph
Cima), Complex
Variables and Elliptic Equations, 54 No. 5 (2009) 511-517.

[8] "Approximation by $\Box_{b}$-Harmonic Functions," Journal of Mathematical Analysis and its Applications, 379 No. 1 (2011) 75-81.

[9] "The Hull of Rudin's Klein Bottle," to appear in the Proceedings of the American Mathematical Society, 2011.