LIST OF PUBLICATIONS

Books

• Schur's Algorithm and Several Applications, Pitman Research Notes in Mathematics Series, Longman House, Harlow, UK, September 1992 (with T. Constantinescu).

Papers

• Spectral Factors and Analytic Completions, Integral Equations and Operator Theory, Vol. 13 (1990), 149-164.
• Quelques Proprietes des Graphes Triangulaires, C. R. Acad. Sci. Paris, t. 310, Serie I (1990), 307-309 (with T. Constantinescu).
• Inheritance Principles for Chordal Graphs, Linear Algebra Appl., 148 (1991), 125-143 (with T. Constantinescu).
• Completion of Partial Operator Matrices Associated with Chordal Graphs, Integral Equations and Operator Theory, Vol. 15(1992), 173-185.
• On Gaussian Elimination and Determinantal Formulas for Matrices with Chordal Inverses, Bull. Austral. Math. Soc., Vol. 46, No. 3(1992), 435-440; Erratum: Bull Austral. Math. Soc. Vol. 49, No. 1(1994), 175.
• The Central Method for Positive Semi-definite, Contractive and Strong-Parrott type Completion Problems, Operator Theory: Advances and Applications, Vol. 59 (1992), 78-95 (with H. Woerdeman).
• On the Strong Parrott Problem, Proc. Amer. Math. Soc., Vol. 117, No. 2 (1993), 429-433 (with H. Woerdeman).
• Maximum Entropy and Joint Norm Extension Problems, Operator Theory: Advances and Applications, Vol. 64 (1993), 23-32 (with V. Kaftal, G. Weiss, and H. Woerdeman).
• Linearly Constrained Interpolation in Nest Algebras, Indiana Univ. J. Math., Vol. 42, No. 4 (1993), 1297-1304 (with H. Woerdeman).
• Invertible Completion of Partial Operator Matrices; the Invertible Case, Linear Algebra Appl., Vol. 208-209 (1994), 327-341 (with C. R. Johnson).
• Determinant Formulae and Nonsymmetric Perfect Gaussian Elimination, Linear Multilin. Algebra, Vol. 38, No. 1-2, 1-11 (with C. R. Johnson).
• Algorithmic Aspects of Bipartite Graphs, International Journal of Math. and Math. Sci., Vol. 18, No. 2 (1995), 299-304 (with E. Varness).
• The Euclidian Matrix Completion Problem, Siam J. Matrix Anal., Vol. 16, No. 2 (1995), 646-654 (with C. R. Johnson).
• Maximum Entropy Elements in the Intersection of an Affine Space and the Cone of Positive Definite Matrices, Siam J. Matrix Anal., Vol. 16, No. 2(1995), 369-376 (with H. Woerdeman).
• A Remark on Nehari's Problem, Integral Equations Operator Theory, Vol. 22 (1995), 123-125.
• Norm Bounds for Operator Extensions, J. Math. Anal. Appl., Vol. 194(1995), 352-367 (with V. Kaftal, G. Weiss, and H. Woerdeman).
• Algebraic Characterizations of Chordality, Linear Multilin. Algebra , 40 (1996), 187-191 (with C.R. Johnson).
• Operator-Valued Nonstationary Szego Limit Theorems, Houston Journal of Math., Vol. 22, No. 4 (1996), 807-819 (with T. Constantinescu).
• Positive Extensions of Matrix Functions of Two Variables with Support in an Infinite Band, C.R. Acad. Sci. Paris, t. 323, Serie I (1996), 859-863 (with L. Rodman, I. Spitkovsky, and H. Woerdeman).
• Bounds for Operator -/Hilbert-Schmidt -Norm Minimization Using Entropy, Indiana University Math. J., Vol. 46, No. 2 (1997), 405-425 (with V. Kaftal, G. Weiss, and H. Woerdeman).
• Several Results on Chordal Bipartite Graphs, Czechoslovak Math. J. , Vol. 47 (1997), 577-583 (with A. Bono).
• On a Conjecture of Cotlar and Sadosky on Multidimensional Hankel Operators, C. R. Acad. Sci. Paris, t.325, Serie I, No.10 (1997), 1071-1075 (with D. Timotin).
• Characterization of Finite Subsets of Z^2 Having the Extension Property, C.R. Acad. Sci. Paris, t.326, Serie I, No.4 (1998), 417-420 (with G. Naevdal).
• On Extension of Positive Fredholm Kernels, Math. Nachrichten, Vol. 193 (1998), 5-18 (with H. Woerdeman).
• Sign Pattern Matrices that Require Domain-Range Pairs with Given Sign Pattern, Linear Multilin. Algebra, Vol. 44, No. 2 (1998), 165-178 (with C.R. Johnson and D. Stanford).
• On Matrix Completion Methods for Multidimensional Moment Problems, Acta Sci. Math., Vol. 64 (1998), 459-470 (with G. Naevdal).
• Positive Matrix Functions on the Bitorus with Prescribed Fourier Coefficients in a Band, J. Fourier Anal. Appl., Vol. 5 (1999), 789-812 (with L. Rodman, I. Spitkovsky, and H. Woerdeman).
• On Extensions of Positive Definite Integral Fredholm Operators, to appear in Archiv der Mathematik.
• The Finite Subsets of Z^2 Having the Extension Property, to appear in Journal London Math Soc. (with G. Naevdal).
• On an Extension Result for Polynomials, to appear in Bull. London Math Soc. (with D. Timotin).
• On the Extension of Positive Definite Operator-valued Functions Defined on Symmetric Intervals of an Ordered Group, to appear in Proc. Amer. Math Soc.