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- Two variable orthogonal polynomials on the bicircle and structured matrices (with Hugo Woerdeman) SIAM J Matrix Anal. Appl. 29 (2007) 796-825
- Two Variable polynomials Intersecting zeros and stability (with H Woerdeman) IEEE Trans Circuits and Systems 53 (2006) 1130-1139
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- On extensions of a Theorem of Baxter (with A. Martinez-Finkelstein) JAT 139 (2006) 214-222
- The Operator Valued Autoregressive Filter Problem and the Suboptimal Nehari Problem in Two Variables (with Hugo Weordeman) Integral Equations and Operator Theory 53 (2005) 343-361
- Asymptotics for Sobolev Orthogonal Polynomials for Exponential Weights(with D. Lubinsky and P. Marcellan) Const. Appr. 22 (2005) 309-346
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- A Numerical Algorithm for the 2D Autoregressive Filter Problem (with H. Woerdeman and G. Castro) IEEE Transactions in Signal Proc. 83 (2003) 1299-1308
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- Construction of orthogonal wavelets using fractal interpolation functions (with G. Donovan, D. Hardin and P. Massopust) SIAM J. Math. Anal. 27 (1996) 1158-1192
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- Orthogonal Polynomials on Several Intervals via a Polynomial Mapping (with W. Van Assche) Trans. Amer. Soc. 308 (1988) 559-581
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- On a class of Two variable Bernstein-Szego measures (with A Delgado, P, Iliev, Y. Xu) Constr Approximation
- Bispectrality of Multivariable Racah-Wilson Polynomials (With Plamen Iliev) Constr. Approx.

- WKB and Turning Point Theory for Second Order Difference Equations: External Fields and Strong Asymptotics for Orthogonal Polynomials, Acta Math. (arXiv:0905.1684v1).
- On the Markov sequence problem for Jacobi polynomials (with E. Carlen and M. Loss) Constr. Approx.

**REFEREED
CONFERENCE PROCEEDINGS:**

- Two variable defomations or the Chebyshev measure (with Plamen Iliev) Accepted in Comtemporary Math contributed refereed paper
- Asymptotics of q-difference equations (with S. Garoufalidis) Contemporary Mathematics 410 (2006) 83-114
- Riemann-Hilbert problems for multiple orthogonal polynomials (with W. Van Assche and A.B.J. Kuijlaars) NATO ASI proceedings Special Functions 2000: Current Perspectives and Future Directions, Tempe, Arizona, 2000
- Polynomial Orthogonal with Respect to Singular Continuous Measures Orthogonal Polynomials and Their Applications, Springer Lecture Notes Vol. 132, 9, 32-45
- Iterating Random Maps and Applications, Number Theory and Physics Springer Proceedings in Physics, 47, 209-215
- An Application of Coxeter Groups to the Construction of Wavelet Bases in R^n (with D. Hardin and P. Massopust), Lecture Notes in Pure and Applied Math. 157 (1993) 157-196
- Polynomials Orthogonal on the Unit Circle with Random Reflection Coefficients, US-USSR Conference on Approximation Theory, St. Petersburg, Russia, May 1991, Lecture Notes in Math. vol. 1550 Springer-Verlag