An estimate for ideals in H∞ (D), J.Int. Equa. Op.Th.,53(2005)573-587
A matricial corona theorem II (with S. Zhang), to appear P.A.M.S
Solutions for the H∞ (D^n)corona problem belonging to exp(L^(1/(2n-1)),to appear Int. Equations and Op. Theory
A vector-valued Hp corona theorem on the polydisk, Int. Equations and Op. Theory,53(2006), 129-149
A matricial corona theorem (with S. Zhang), Proc. Amer. Math. Soc.,134(2006), 2549-2558
Operator theory and the corona problem on the bidisk, Operator Theory: Advances and Applications,149(2004), 553-568
Maximal invariant subspaces for A2(D), Proc. Amer. Math. Soc.,132(2004), 2429-2432
An H2 corona theorem on the bidisk for infinitely many functions, Linear Alg. and App.,379(2004),213-227
A corona theorem for multipliers on Dirichlet space, J. Int. Equations and Op. Theory.,49(2004),123-139
A new estimate for the vector valued corona problem, J.Func.Anal. 189 (2002), 267-282
Interpolation in self-adjoint settings (with Y.S. Jo, J.H. Kang, and R.L. Moore), Proc.Amer.Math.Soc.,130(2002),3269-3281
Interpolation and commutant lifting for multipliers on reproducing kernel Hilbert spaces with embeddings into a ball (with J. Ball and V. Vinnikov), Op. Theory: Adv and App., Vol. 122, 2001 Birkhauser Verlag.
Invariant subspaces and Nevanlinna-Pick Kernels (with S. McCullough), J. Func. Anal., 178 (2000), 226-249.
The abstract interpolation problem and commutant lifting: a coordinate free approach (with J. Ball), Op. Theory: Adv and App., Vol. 115, 2000 Birkhauser Verlag
Linear Equations in subspaces of operators(with R.L. Moore)Proc. Amer. Math. Soc. 128(2000), 781-788.
A commutant lifting theorem on the polydisc (with J. Ball, W.S. Li, and D.Timotin), Indiana University J. Math, 48(1999), 653-675.
Commutant lifting theorems, Proceedings of the Topology and Geometry Research Center, TGRC - KOSEF, (1999)
Unitary colligations, reproducing Kernel Hilbert spaces, and Nevanlinna-Pick interpolation in several variables (with J. Ball), J. Func. Anal 157, 1-61(1998).
Function theory problems and operator theory, Proceedings of the Topology and Geometry Research Center, TGRC-KOSEF, Vol. 8, Dec. 1997.
Interpolation and commutant lifting for multipliers on reproducing kernel spaces, Operator Theory: Advances and Applications,13(1990), 593-606
Suffient conditions for bounded point evalutations, J. Int. Equations and Op. Theory.,Vol. 122(2001), 89-138