%% Roland W. Freund
%
% converted from refer format by refer-to-bibtex 0.7.1
%

@inproceedings{Freund82,
   author = {J. Stoer and R. W. Freund},
   editor = {R. Glowinski and J. L. Lions},
   title = {On the Solution of Large Indefinite Systems of Linear Equations  by Conjugate Gradient Algorithms},
   booktitle = {Proceedings of the Fifth International Conference on Computing Methods in Applied Sciences and Engineering},
   pages = {35--53},
   publisher = {North-Holland},
   year = {1982}
}

@techreport{Freund83,
   author = {R. W. Freund},
   title = {{\"U}ber einige cg-{\"a}hnliche {V}erfahren zur {L}{\"o}sung linearer {G}leichungssysteme},
   type = {Doctoral {T}hesis},
   institution = {Universit{\"a}t W{\"u}rzburg, Germany},	
   year = {1983}
}

@article{Freund86,
   author = {R. W. Freund and S. Ruscheweyh},
   title = {On a Class of {C}hebyshev Approximation Problems which Arise  in Connection with a Conjugate Gradient Type Method},
   journal = {Numerische Mathematik},
   volume = {48},
   pages = {525--542},
   year = {1986}
}

@article{Freund87,
   author = {R. W. Freund},
   title = {A Note on Two Block-{SOR} Methods for Sparse Least Squares Problems},
   journal = {Linear Algebra and Its Applications},
   volume = {88/89},
   pages = {211--221},
   year = {1987}
}

@article{Freund88,
   author = {R. W. Freund},
   title = {On Some Approximation Problems for Complex Polynomials},
   journal = {Constructive Approximation},
   volume = {4},
   pages = {111--121},
   year = {1988}
}

@article{Freund88a,
   author = {R. W. Freund and T. Huckle},
   title = {An Extension Problem for ${H}$-Unitary Matrices with Applications to {H}ermitian {T}oeplitz Matrices},
   journal = {Linear Algebra and Its Applications},
   volume = {108},
   pages = {213--230},
   year = {1988}
}

@inproceedings{Freund88b,
   author = {R. W. Freund and T. Huckle},
   title = {On {H}ermitian Block {T}oeplitz Matrices and Generalizations of a Theorem of {C}. Caratheodory},
   booktitle = {Proceedings of the Bavarian Academy of Sciences},
   pages = {41--61},
   year = {1988}
}

@article{Freund89,
   author = {R. W. Freund},
   title = {On Polynomial Approximations to $f_a(z)=(z-a)^{-1}$ 
   with  Complex $a$ and Some Applications to Certain Non-{H}ermitian 
		  Matrices},
   journal = {Approximation Theory and Its Applications},
   volume = {5},
   pages = {15--31},
   year = {1989}
}

@article{Freund89a,
   author = {R. W. Freund and T. Huckle},
   title = {Extension Problems for ${H}$-Unitary Matrices and {H}ermitian  Block {T}oeplitz Matrices},
   journal = {Zeitschrift f{\"u}r Angewandte Mathematik und Mechanik},
   volume = {69},
   pages = {T210--T212},
   year = {1989}
}

@article{Freund89b,
   author = {R. W. Freund and T. Huckle},
   title = {On ${H}$-Contractions and the Extension Problem for {H}ermitian  Block {T}oeplitz Matrices},
   journal = {Linear and Multilinear Algebra},
   volume = {25},
   pages = {27--37},
   year = {1989}
}

@techreport{Freund89c,
   author = {R. W. Freund},
   title = {On Polynomial Preconditioning for Indefinite {H}ermitian Matrices},
   type = {Technical {R}eport 89.32},
   institution = {RIACS, NASA Ames Research Center, Moffett Field, California},
   year = {1989}
}

@techreport{Freund89d,
   author = {R. W. Freund},
   title = {Pseudo-{R}itz Values for Indefinite {H}ermitian Matrices},
   type = {Technical {R}eport 89.33},
   institution = {RIACS, NASA Ames Research Center, Moffett Field, California},
   year = {1989}
}

@incollection{Fischer89,
   author = {B. Fischer and R. W. Freund},
   editor = {C. K. Chui and L. L. Schumaker and D. J. Ward},
   title = {Optimal {C}hebyshev Polynomials on Ellipses in the Complex Plane},
   booktitle = {Approximation Theory VI},
   pages = {251--254},
   publisher = {Academic Press},
   year = {1989}
}

@incollection{Freund89e,
   author = {R. W. Freund},
   editor = {C. K. Chui and L. L. Schumaker and D. J. Ward},
   title = {Explicitly Solvable Complex Approximation Problems Related  to Sine Polynomials},
   booktitle = {Approximation Theory VI},
   pages = {263--266},
   publisher = {Academic Press},
   year = {1989}
}

@article{Freund90,
   author = {R. W. Freund},
   title = {On Conjugate Gradient Type Methods and Polynomial  Preconditioners for a Class of Complex Non-{H}ermitian Matrices},
   journal = {Numerische Mathematik},
   volume = {57},
   pages = {285--312},
   year = {1990}
}

@article{Fischer90,
   author = {B. Fischer and R. W. Freund},
   title = {On the Constrained {C}hebyshev Approximation Problem on Ellipses},
   journal = {Journal of Approximation Theory},
   volume = {62},
   pages = {297--315},
   year = {1990}
}

@article{Deuflhard90,
   author = {P. Deuflhard and R. W. Freund and A. Walter},
   title = {Fast Secant Methods for the Iterative Solution of Large  Nonsymmetric Linear Systems},
   journal = {Impact of Computing in Science and Engineering},
   volume = {2},
   pages = {244--276},
   year = {1990}
}

@inproceedings{Freund90a,
   author = {R. W. Freund},
   editor = {S. Ruscheweyh and E. B. Saff and L. C. Salinas and R. S. Varga},
   title = {On {B}ernstein Type Inequalities and a Weighted {C}hebyshev  Approximation Problem on Ellipses},
   booktitle = {Computational Methods and Function Theory, Proceedings, Valparaiso 1989},
   pages = {45--55},
   publisher = {Springer-Verlag},
   year = {1990}
}

@techreport{Freund90b,
   author = {R. W. Freund and M. H. Gutknecht and N. M. Nachtigal},
   title = {An Implementation of the Look-Ahead {L}anczos Algorithm, Part {I}},
   type = {Technical {R}eport 90.45},
   institution = {RIACS, NASA Ames Research Center, Moffett Field, California},
   year = {1990}
}

@techreport{Freund90c,
   author = {R. W. Freund and N. M. Nachtigal},
   title = {An Implementation of the Look-Ahead {L}anczos Algorithm, Part {II}},
   type = {Technical {R}eport 90.46},
   institution = {RIACS, NASA Ames Research Center, Moffett Field, California},   year = {1990}
}

@article{Fischer91,
   author = {B. Fischer and R. W. Freund},
   title = {New {B}ernstein Type Inequalities for Polynomials on Ellipses},
   journal = {Complex Variables},
   volume = {16},
   pages = {289--305},
   year = {1991}
}

@article{Fischer91a,
   author = {B. Fischer and R. W. Freund},
   title = {{C}hebyshev Polynomials are not Always Optimal},
   journal = {Journal of Approximation Theory},
   volume = {65},
   pages = {261--272},
   year = {1991}
}

@article{Freund91,
   author = {R. W. Freund},
   title = {On Polynomial Preconditioning and Asymptotic Convergence Factors for Indefinite {H}ermitian Matrices},
   journal = {Linear Algebra and Its Applications},
   volume = {154-156},
   pages = {259--288},
   year = {1991}
}

@techreport{Freund91a,
   author = {R. W. Freund},
   title = {Krylov Subspace Methods for Complex Non-{H}ermitian Linear Systems},
   type = {Habilitation {T}hesis},
   institution = {Universit{\"a}t W{\"u}rzburg, Germany},
   year = {1991}
}

@article{Freund91b,
   author = {R. W. Freund and N. M. Nachtigal},
   title = {{QMR}: a Quasi-Minimal Residual Method for Non-{H}ermitian Linear  Systems},
   journal = {Numerische Mathematik},
   volume = {60},
   pages = {315--339},
   year = {1991}
}

@inproceedings{Freund91c,
   author = {R. W. Freund and M. Hochbruck},
   editor = {R. Vichnevetsky and J. J. H. Miller},
   title = {A Biconjugate Gradient Type Algorithm on Massively Parallel  Architectures},
   booktitle = {IMACS '91, Proceedings of the 13th World Congress on Computational and Applied Mathematics},
   pages = {720--721},
   publisher = {Criterion Press},
   address = {Dublin},
   year = {1991}
}

@article{Freund92,
   author = {R. W. Freund},
   title = {Conjugate Gradient-Type Methods for Linear Systems  with Complex Symmetric Coefficient Matrices},
   journal = {SIAM Journal on Scientific and Statistical Computing},
   volume = {13},
   pages = {425--448},
   year = {1992}
}

@article{Freund92a,
   author = {R. W. Freund and G. H. Golub and N. M. Nachtigal},
   title = {Iterative Solution of Linear Systems},
   journal = {Acta Numerica},
   volume = {1},
   pages = {57--100},
   year = {1992}
}

@incollection{Freund92b,
   author = {R. W. Freund},
   editor = {D. Braess and L. L. Schumaker},
   title = {Quasi-Kernel Polynomials and Convergence Results for Quasi-Minimal Residual Iterations},
   booktitle = {Numerical Methods of Approximation Theory, Vol. 9},
   pages = {77--95},
   publisher = {Birkh{\"a}user},
   year = {1992}
}

@inproceedings{Freund92c,
   author = {R. W. Freund and M. Hochbruck},
   title = {On the Use of Two {QMR} Algorithms for Solving Singular Systems and Applications in Markov Chain Modeling},
   booktitle = {Proceedings of the Second Copper Mountain Conference on Iterative Methods},
   year = {1992}
}

@inproceedings{Freund92d,
   author = {R. W. Freund and T. Szeto},
   title = {A Quasi-Minimal Residual Squared Algorithm for Non-{H}ermitian  Linear Systems},
   booktitle = {Proceedings of the Second Copper Mountain Conference on Iterative Methods},
   year = {1992}
}

@incollection{Freund92e,
   author = {R. W. Freund and N. M. Nachtigal},
   editor = {R. Beauwens and P. de Groen},
   title = {{QMR}: a Quasi-Minimal Residual Method for Non-{H}ermitian Linear  Systems},
   booktitle = {Iterative Methods in Linear Algebra},
   pages = {151--154},
   publisher = {Elsevier Science Publishers},
   year = {1992}
}

@inproceedings{Fischer92,
   author = {B. Fischer and R. W. Freund},
   title = {On Adaptive Weighted Polynomial Preconditioning for {H}ermitian Positive Definite Matrices},
   booktitle = {Proceedings of the Second Copper Mountain Conference on Iterative Methods},
   year = {1992}
}

@article{Freund92f,
   author = {R. W. Freund},
   title = {Quasi-Kernel Polynomials and Their Use in Non-{H}ermitian Matrix Iterations},
   journal = {Journal of Computational and Applied Mathematics},
   volume = {43},
   pages = {135--158},
   year = {1992}
}

@inproceedings{Freund92g,
   author = {R. W. Freund and M. Hochbruck},
   editor = {C. Brezinski and U. Kulisch},
   title = {A Biconjugate Gradient-Type Algorithm for the Iterative Solution of Non-{H}ermitian Linear Systems on Massively  Parallel Architectures},
   booktitle = {IMACS '91, Proceedings of the 13th World Congress on Computational and Applied Mathematics I---Algorithms and Theory},
   pages = {169--178},
   publisher = {Elsevier Science Publishers},
   year = {1992}
}

@incollection{Freund92h,
   author = {R. W. Freund and T. Szeto},
   editor = {R. Vichnevetsky and D. Knight and G. Richter},
   title = {A Transpose-Free Quasi-Minimal Residual Squared Algorithm for Non-{H}ermitian Linear Systems},
   booktitle = {Advances in Computer Methods for Partial Differential Equations -- VII},
   pages = {258--264},
   publisher = {IMACS},
   year = {1992}
}

@article{Freund93,
   author = {R. W. Freund and M. H. Gutknecht and N. M. Nachtigal},
   title = {An Implementation of the Look-Ahead {L}anczos Algorithm for Non-{H}ermitian Matrices},
   journal = {SIAM Journal on Scientific Computing},
   volume = {14},
   pages = {137--158},
   year = {1993}
}

@article{Freund93a,
   author = {R. W. Freund},
   title = {A Transpose-Free Quasi-Minimal Residual Algorithm for Non-{H}ermitian Linear Systems},
   journal = {SIAM Journal on Scientific Computing},
   volume = {14},
   pages = {470--482},
   year = {1993}
}

@article{Freund93b,
   author = {R. W. Freund and T. Huckle},
   title = {A Restricted Signature Normal Form for {H}ermitian Matrices,  Quasi-Spectral Decompositions, and Applications},
   journal = {Linear Algebra and Its Applications},
   volume = {184},
   pages = {165--186},
   year = {1993}
}

@incollection{Freund93c,
   author = {R. W. Freund},
   editor = {M. S. Moonen and G. H. Golub and B. L. R. de Moor},
   title = {The Look-Ahead {L}anczos Process for Large  Nonsymmetric Matrices and Related Algorithms},
   booktitle = {Linear Algebra for Large Scale and Real-Time Applications},
   pages = {137--163},
   publisher = {Kluwer Academic Publishers},
   year = {1993}
}

@incollection{Freund93d,
   author = {R. W. Freund and M. Hochbruck},
   editor = {M. S. Moonen and G. H. Golub and B. L. R. de Moor},
   title = {Gauss Quadratures Associated With the {A}rnoldi Process and the {L}anczos Algorithm},
   booktitle = {Linear Algebra for Large Scale and Real-Time Applications},
   pages = {377--380},
   publisher = {Kluwer Academic Publishers},
   year = {1993}
}

@incollection{Freund93e,
   author = {R. W. Freund and N. M. Nachtigal},
   editor = {M. S. Moonen and G. H. Golub and B. L. R. de Moor},
   title = {An Implementation of the {QMR} Method Based on Coupled Two-Term Recurrences},
   booktitle = {Linear Algebra for Large Scale and Real-Time Applications},
   pages = {381--384},
   publisher = {Kluwer Academic Publishers},
   year = {1993}
}

@article{Freund93f,
   author = {R. W. Freund and H. Zha},
   title = {A Look-Ahead Algorithm for the Solution of General {H}ankel  Systems},
   journal = {Numerische Mathematik},
   volume = {64},
   pages = {295--321},
   year = {1993}
}

@incollection{Freund93g,
   author = {R. W. Freund},
   editor = {L. Reichel and A. Ruttan and R. S. Varga},
   title = {Solution of Shifted Linear Systems by Quasi-Minimal Residual Iterations},
   booktitle = {Numerical Linear Algebra},
   pages = {101--121},
   publisher = {W. de Gruyter},
   year = {1993}
}

@incollection{Freund93h,
   author = {R. W. Freund and N. M. Nachtigal},
   editor = {L. Reichel and A. Ruttan and R. S. Varga},
   title = {Implementation Details of the Coupled {QMR} Algorithm},
   booktitle = {Numerical Linear Algebra},
   pages = {123--140},
   publisher = {W. de Gruyter},
   year = {1993}
}

@incollection{Freund93i,
   author = {R. W. Freund and G. H. Golub and N. M. Nachtigal},
   editor = {M. Y. Hussaini and A. Kumar and M. D. Salas},
   title = {Recent Advances in {L}anczos-Based Iterative Methods for Nonsymmetric Linear Systems},
   booktitle = {Algorithmic Trends in Computational Fluid Dynamics},
   pages = {137--162},
   publisher = {Springer-Verlag},
   year = {1993}
}

@article{Freund93j,
   author = {R. W. Freund and H. Zha},
   title = {Formally Biorthogonal Polynomials and a Look-Ahead Levinson  Algorithm for General {T}oeplitz Systems},
   journal = {Linear Algebra and Its Applications},
   volume = {188/189},
   pages = {255--303},
   year = {1993}
}

@incollection{Freund94,
   author = {R. W. Freund},
   editor = {G. Golub and A. Greenbaum and M. Luskin},
   title = {Transpose-Free Quasi-Minimal Residual Methods  for Non-{H}ermitian Linear Systems},
   booktitle = {Recent Advances in Iterative Methods, The IMA Volumes in Mathematics and its Applications, Vol. 60},
   pages = {69--94},
   publisher = {Springer-Verlag},
   year = {1994}
}

@article{Freund94a,
   author = {R. W. Freund and N. M. Nachtigal},
   title = {An Implementation of the {QMR} Method Based on Coupled Two-Term Recurrences},
   journal = {SIAM Journal on Scientific Computing},
   volume = {15},
   pages = {313--337},
   year = {1994}
}

@article{Fischer94,
   author = {B. Fischer and R. W. Freund},
   title = {On Adaptive Weighted Polynomial Preconditioning for {H}ermitian Positive Definite Matrices},
   journal = {SIAM Journal on Scientific Computing},
   volume = {15},
   pages = {408--426},
   year = {1994}
}

@article{Freund94b,
   author = {R. W. Freund and F. Jarre},
   title = {A Polynomial-Time Algorithm for Fractional Programs with Convex Constraints},
   journal = {Zeitschrift f{\"u}r Angewandte Mathematik und Mechanik},
   volume = {74},
   pages = {T523--T525},
   year = {1994}
}

@article{Freund94c,
   author = {R. W. Freund},
   title = {A Look-Ahead {S}chur-Type Algorithm for Solving General 
            {T}oeplitz Systems},
   journal = {Zeitschrift f{\"u}r Angewandte Mathematik und Mechanik},
   volume = {74},
   pages = {T538--T541},
   year = {1994}
}

@inproceedings{Coughran94,
   author = {Coughran, Jr., W. M. and R. W. Freund and R. K. Smith},
   title = {Algorithms for Augmented Device Simulation Models Incorporating {IV} Continuation and Circuit Element Equations},
   booktitle = {Workshop on Numerical Modeling of Processes and Devices for Integrated Circuits: NUPAD V Technical Digest},
   pages = {127--128},
   year = {1994}
}

@article{Freund94d,
   author = {R. W. Freund},
   title = {A Look-Ahead {B}areiss Algorithm for General {T}oeplitz Matrices},
   journal = {Numerische Mathematik},
   volume = {68},
   pages = {35--69},
   year = {1994}
}

@inproceedings{Freund94e,
   author = {R. W. Freund and N. M. Nachtigal},
   title = {A New {K}rylov-Subspace Method for Symmetric Indefinite Linear Systems},
   editor = {W. F. Ames},
   booktitle = {Proceedings of the 14th IMACS World Congress on Computational and Applied Mathematics},
   publisher = {IMACS},
   pages = {1253--1256},
   year = {1994}
}

@inproceedings{Freund94f,
   author = {R. W. Freund and N. M. Nachtigal},
   title = {{QMRPACK} and Applications},
   editor = {W. F. Ames},
   booktitle = {Proceedings of the 14th IMACS World Congress on Computational and Applied Mathematics},
   publisher = {IMACS},
   pages = {1257--1260},
   year = {1994}
}

@inproceedings{Feldmann94a,
   author = {P. Feldmann and R. W. Freund},
   title = {Efficient Linear Circuit Analysis by {P}ad\'e Approximation  via the {L}anczos Process},
   booktitle = {Proceedings of EURO-DAC '94 with EURO-VHDL '94, Grenoble, France},
   publisher =	{IEEE Computer Society Press},
   pages = {170--175},
   year = {1994}
}


@inproceedings{Freund94g,
   author = {R. W. Freund},
   editor = {J. D. Brown and M. T. Chu and D. C. Ellison and R. J. Plemmons}, 
   title = {The Look-Ahead {L}anczos Process for Nonsymmetric Matrices and its Applications},
   booktitle = {Proceedings of the Cornelius {L}anczos International Centenary Conference},
   publisher = {SIAM},
   pages = {33--47},
   year = {1994}
}

@inproceedings{Freund94h,
   author = {R. W. Freund},
   editor = {J. D. Brown and M. T. Chu and D. C. Ellison and R. J. Plemmons},
   title = {{L}anczos-Type Algorithms for Structured Non-{H}ermitian Eigenvalue Problems},
   booktitle = {Proceedings of the Cornelius {L}anczos International Centenary Conference},
   publisher = {SIAM},
   pages = {243--245},
   year = {1994}
}

@inproceedings{Freund94i,
   author = {R. W. Freund and B. Fischer},
   editor = {J. D. Brown and M. T. Chu and D. C. Ellison and R. J. Plemmons},
   title = {An Inner Product-Free Conjugate Gradient-Like Algorithm for {H}ermitian Positive Definite Systems},
   booktitle = {Proceedings of the Cornelius {L}anczos International Centenary Conference},
   publisher = {SIAM},
   pages = {288--290},
   year = {1994}
}

@inproceedings{Freund94j,
   author = {R. W. Freund and P. Feldmann},
   title = {Efficient Small-Signal Circuit Analysis and Sensitivity Computations with the {PVL} Algorithm},
   booktitle = {Technical Digest of the 1994 IEEE/ACM International
		  Conference on Computer-Aided Design},
   publisher =	{IEEE Computer Society Press},
   pages = {404--411},
   year = {1994}		  
}

@incollection{Freund94k,
   author = {R. W. Freund},
   editor = {F. T. Luk},
   title = {A Look-Ahead {S}chur-Type Algorithm for Solving General 
           {T}oeplitz Systems},
   booktitle = {Advanced Signal Processing: Algorithms, Architectures, and Implementations V, Proc. SPIE, Vol. 2296},
   publisher = {SPIE},
   pages = {482--493},
   year = {1994}
}

@article{Freund94l,
   author = {R. W. Freund and M. Hochbruck},
   title = {On the Use of Two {QMR} Algorithms for Solving Singular Systems and Applications in Markov Chain Modeling},
   journal = {Numerical Linear Algebra with Applications},
   volume = {1},
   pages = {403--420},		     
   year = {1994}
}

@article{Freund94m,
   author = {R. W. Freund and F. Jarre},
   title = {An Interior-Point Method for Fractional Programs with Convex Constraints},
   journal = {Mathematical Programming},
   volume = {67},
   pages = {407--440},		     
   year = {1994}
}

@article{Freund95a,
   author = {R. W. Freund and F. Jarre},
   title = {An Interior-Point Method for Multifractional Programs with Convex Constraints},
   journal = {Journal of Optimization Theory and Applications},
   volume = {85},
   pages = {125--161},		   
   year = {1995}
}

@inproceedings{Baldwin95,
   author = {C. Baldwin and R. W. Freund and E. Gallopoulos},
   editor = {D. H. Bailey and P. E. Bj\o rstad and J. R. Gilbert and M. V. Mascagni and R. Schreiber and H. D. Simon and V. J. Torczon and L. T. Watson},
   title = {A Parallel Iterative Method for Exponential Propagation},
   booktitle = {Proceedings of the Seventh SIAM Conference on Parallel Processing for Scientific Computing},
   publisher = {SIAM},
   pages = {534--539},		  
   year = {1995}
}

@article{Feldmann95a,
   author = {P. Feldmann and R. W. Freund},
   title = {Efficient Linear Circuit Analysis by {P}ad\'e Approximation  via the {L}anczos Process},
   journal = {IEEE Iransactions on Computer-Aided Design of Integrated Circuits and Systems},
   volume = {14},
   pages = {639--649},		   
   year = {1995}
}
		  
@inproceedings{Feldmann95b,
   author = {P. Feldmann and R. W. Freund},
   title = {Reduced-Order Modeling of Large Linear Subcircuits via a Block {L}anczos Algorithm},
   booktitle = {Proceedings of the 32nd Design Automation Conference, San Francisco, California},
   publisher =	{Association for Computing Machinery, Inc.},
   pages = {474--479},
   year = {1995}
}
		  
@inproceedings{Freund95b,
   author = {R. W. Freund},
   editor = {C. K. Chui and L. L. Schumaker},
   title = {Computation of Matrix {P}ad\'e Approximations of Transfer Functions Via a {L}anczos-Type Process},
   booktitle = {Approximation Theory VIII, Vol.~1: Approximation and Interpolation},
   publisher = {World Scientific Publishing Co.},
   pages = {215--222}, 		   
   year = {1995}
}

@article{Freund95c,
   author = {R. W. Freund and N. M. Nachtigal},
   title = {Software for Simplified {L}anczos and {QMR} Algorithms},
   journal = {Applied Numerical Mathematics},
   volume = {19},
   pages = {319--341},		  
   year = {1995}
}

@article{Freund96a,
   author = {R. W. Freund and N. M. Nachtigal},
   title = {{QMRPACK}: a Package of {QMR} Algorithms},
   journal = {ACM Transactions on Mathematical Software},
   volume = {22},
   pages = {46--77},		  
   year = {1996}
}

@article{Freund96b,
   author = {R. W. Freund and P. Feldmann},
   title = {Small-signal circuit analysis and sensitivity
   computations with the {PVL} algorithm},
   journal = {IEEE Transactions on Circuits and and Systems---II: 
   Analog and Digital Signal Processing},
   volume = {43},
   pages = {577--585},
   year = {1996}
}		  

@article{Freund96c,
   author = {P. Feldmann and R. W. Freund},
   title = {Apparatus and method for analyzing circuits},
   journal = {U.S. Patent 5,537,329},
   month = {July 16,},
   year = {1996}
}
		  
@article{Freund96d,
   author = {R. W. Freund and F. Jarre and S. Schaible},
   title = {On self-concordant barrier functions for conic hulls
   and fractional programming},
   journal = {Mathematical Programming},
   volume = {74},	
   pages = {237--246},
   year = {1996}
}		  		  

@inproceedings{Freund96e,
   author = {R. W. Freund and P. Feldmann},
   title = {Reduced-order modeling of large passive linear circuits 
                     by means of the {SyPVL} algorithm},
   booktitle = {Technical Digest of the 1996 IEEE/ACM International
		  Conference on Computer-Aided Design},
   publisher = {IEEE Computer Society Press},
   pages = {280--287},
   year = {1996}
}

@article{Freund96f,
   author = {R. W. Freund and F. Jarre},
   title = {A {QMR}-based interior-point algorithm for solving 
   linear programs},
   journal = {Mathematical Programming, Series~B},
   volume = {76},
   pages = {183--210},
   year = {1996}
}

@inproceedings{Freund97a,
   author = {R. W. Freund},   
   editor = {C. I. Byrnes and B. N. Datta and D. S. Gilliam and
		     C. F. Martin},
   title = {Circuit simulation techniques based on {L}anczos-type 
                     algorithms},
   booktitle = {Systems and Control in the Twenty-First
                     Century},
   publisher =	{Birk\"auser},
   pages = {171--184},
   year = {1997}
}		  

@article{Freund97b,
   author = {R. W. Freund and M. Malhotra},
   title = {A block {QMR} algorithm for non-{H}ermitian linear 
                     systems with multiple right-hand sides},
   journal = {Linear Algebra and Its Applications},
   volume = {254},		   
   pages = {119--157},
   year = {1997}
}		  
		  
@article{Freund97c,
   author = {M. Malhotra and R. W. Freund and P. M. Pinsky},
   title = {Iterative Solution of Multiple Radiation and Scattering 
       Problems in Structural Acoustics Using a Block Quasi-Minimal 
       Residual Algorithm},
   journal = {Computer Methods in Applied Mechanics and Engineering},
   volume = {146},		   
   pages = {173--196},
   year = {1997}		  
}		  
		  
@inproceedings{Freund97d,
   author = {R. W. Freund},   
   editor = {A. Sydow},
   title = {Preconditioning of symmetric, but highly indefinite 
            linear systems},
   booktitle = {15th IMACS World Congress on Scientific Computation, 
		Modelling and Applied Mathematics, Vol.~2, Numerical
                Mathematics},
   publisher = {Wissenschaft und Technik Verlag},
   pages = {551--556},
   year = {1997}
}		  			  		  

@inproceedings{Freund97e,
   author = {R. W. Freund and M. Malhotra},
   editor = {A. Sydow},		  
   title = {The block-{QMR} method for the solution of multiple 
            radiation and scattering problems in structural acoustics},
   booktitle = {15th IMACS World Congress on Scientific Computation, 
		Modelling and Applied Mathematics, Vol.~3, Computational
                Physics, Chemistry and Biology},
   publisher = {Wissenschaft und Technik Verlag},
   pages = {461--466},
   year = {1997}
}		  
		  
@inproceedings{Freund97f,
   author = {P. Fiebach and R. W. Freund and A. Frommer},
   editor = {A. Sydow},
   title = {Variants of the block-{QMR} method and applications in
            quantum chromodynamics},
   booktitle = {15th IMACS World Congress on Scientific Computation, 
		Modelling and Applied Mathematics, Vol.~3, Computational
                Physics, Chemistry and Biology},
   publisher = {Wissenschaft und Technik Verlag},
   pages = {491--496},
   year = {1997}
}		  			  		  

@inproceedings{Freund97g,
   author = {P. Feldmann and R. W. Freund},   
   title = {Interconnect-delay computation and signal-integrity 
                      verification using the {SyMPVL} algorithm},
   booktitle = {Proceedings of the 1997 European Conference
                       on Circuit Theory and Design},
   publisher = {European Circuit Society},
   pages = {408--413},
   year = {1997}
}		  			  
		  
		  
@inproceedings{Freund97h,
   author = {W. M. Coughran, Jr. and R. W. Freund},
   title = {Recent advances in {K}rylov-subspace solvers for linear 
            systems and applications in device simulation},
   booktitle = {Proceedings of the 1997 International Conference 
		on Simulation of Semiconductor Processes and Devices},
   publisher = {IEEE},
   pages = {9--16},
   year = {1997}
}		  			  		
  		  

@inproceedings{Freund97i,
   author = {R. W. Freund and P. Feldmann},
   title = {The {SyMPVL} algorithm and its applications to 
                     interconnect simulation},
   booktitle = {Proceedings of the 1997 International Conference 
		on Simulation of Semiconductor Processes and Devices},
   publisher = {IEEE},
   pages = {113--116},
   year = {1997}
}		  			  		  
		  
@inproceedings{Freund97j,
   author = {P. Feldmann and R. W. Freund},
   title = {Circuit noise evaluation by {P}ad\'e approximation based 
            model-reduction techniques},
   booktitle = {Technical Digest of the 1997 IEEE/ACM International
		  Conference on Computer-Aided Design},
   publisher =	{IEEE Computer Society Press},   
   pages = {132--138},
   year = {1997}
}

@article{Freund97k,
   author = {P. Feldmann and R. W. Freund},
   title = {Apparatus and method for analyzing circuits using
            reduced-order modeling of large linear subcircuits},
   journal = {U.S. Patent 5,689,685},
   month = {November 18,},
   year = {1997}
}
		  
@inproceedings{Freund97l,
   author = {R. W. Freund},   
   title = {Computing minimal partial realizations via a 
	    {L}anczos-type algorithm for multiple starting vectors},
   booktitle = {Proceedings of the 36th IEEE Conference on Decision
            	and Control},
   publisher = {IEEE},
   pages = {4394--4399},
   year = {1997}
}		  			  		  		  
@techreport{Freund97m,
   author = {Z. Bai and P. Feldmann and R. W. Freund},
   title = {Stable and passive reduced-order models based on
       partial {P}ad\'e approximation via the {L}anczos process},
   type = {Numerical {A}nalysis {M}anuscript  97--3--10},
   institution = {Bell {L}aboratories},
   year = {1997},
   URL =  "http://cm.bell-labs.com/cm/cs/doc/97/3-10.ps.gz"
}

@inproceedings{Freund98a,
   author = {R. W. Freund and P. Feldmann},
   title = {Reduced-order modeling of large linear passive 
	    multi-terminal circuits using  matrix-{P}ad\'e 
            approximation},
   booktitle = {Proceedings of the Design, Automation and Test in 
		Europe Conference 1998},
   publisher =	{IEEE Computer Society Press},
   pages = {530--537},
   year = {1998}
}
		  
@inproceedings{Freund98b,
   author = {Z. Bai and P. Feldmann and R. W. Freund},
   title = {How to make theoretically passive reduced-order
       models passive in practice},
   booktitle = {Proceedings of the IEEE 1998 Custom Integrated 
               Circuits Conference},
   publisher =	{IEEE}, 
   pages = {207--210},
   year = {1998}
}
			  
@article{Freund99a,
   author = {R. W. Freund and F. Jarre and S. Mizuno},	  
   title = {Convergence of a class of inexact interior-point 
           algorithms for linear programs},
   journal = {Mathematics of Operations Research},
   volume = {24},
   pages = {50--71},
   year = {1999}
}
		  
@incollection{Freund99b,
   author = {R. W. Freund},
   editor = {B. N. Datta},
   title = {Reduced-order modeling techniques based on {K}rylov
         subspaces and their use in circuit simulation},
   booktitle = {Applied and Computational Control, Signals, and 
	Circuits, Volume~1},
   publisher = {Birkh\"auser},
   Address = {Boston},
   pages = {435--498},
   year = {1999}
}
		  
@inproceedings{Freund99c,
   author = {R. W. Freund},
   title = {Passive Reduced-Order Models for Interconnect Simulation 
            and their Computation via {K}rylov-Subspace 
                     Algorithms},
   booktitle = {Proceedings of the 36th Design Automation Conference, 
   New Orleans, Louisiana},
   publisher =	{Association for Computing Machinery, Inc.},
   pages = {195--200},
   year = {1999}
}

@article{Freund00a,
   author = {Z. Bai and P. Feldmann and R. W. Freund},
   title = {Apparatus and Method for Analyzing Circuits Using 
            Reduced-Order Modeling of Large Linear Subcircuits},
   journal = {U.S. Patent 6,023,573},
   month = {February 8,},
   year = {2000}
}
		  
@article{Freund00b,
   author = {J. I. Aliaga and D. L. Boley and R. W. Freund and
             V. Hern\'andez},
   title = {A {L}anczos-type method for multiple starting vectors},
   journal = {Mathematics of Computation},
   volume = {69},		   
   pages = {1577--1601},
   year = {2000}		  
}
			  
@incollection{Freund00c,
   author = {D. J. Estep and R. W. Freund},
   editor = {B. Cockburn and G. E. Karniadakis and C.-W. Shu},
   title = {Using {K}rylov-subspace iterations in discontinuous 
            {G}alerkin methods for nonlinear reaction-diffusion 
             systems},
   booktitle = {Discontinuous Galerkin Methods},
   series    = {Lecture Notes in Computational Science and Engineering,
                Vol. 11},
   pages     = {327--335},
   year      = {2000},
   publisher = {Springer-Verlag},
   address   = {Berlin}
}

@article{Freund00d,
   author = {P. Feldmann and R. W. Freund},
   title = {Apparatus and Method for Analyzing Passive Circuits Using 
            Reduced-Order Modeling of Large Linear Subcircuits},
   journal = {U.S. Patent 6,041,170},
   month = {March 21,},
   year = {2000}
}

@inproceedings{Freund00e,
   author = {R. W. Freund},   
   title = {Passive reduced-order modeling via {K}rylov-subspace 
            methods},
   booktitle = {Proceedings of the 14th Symposium on 
               Mathematical Theory of Networks and Systems},
   address = {Perpignan, France},
   year = {June 19--23, 2000},
   URL =  "http://cm.bell-labs.com/cm/cs/doc/00/3-02.ps.gz"  
}		  

@inproceedings{Freund00f,
   author = {R. W. Freund},   
   title = {Passive reduced-order modeling via {K}rylov-subspace 
            methods},
   booktitle = {Proceedings of the 2000 IEEE 
                      International Symposium on Computer-Aided 
                      Control System Design},
   publisher = {IEEE},
   pages = {261--266},
   year = {2000}
}		  

@article{Freund00g,
   author = {P. Feldmann and R. W. Freund},
   title = {Method of Modeling and Analyzing Electronic Noise Using 
            {P}ad\'e Approximation-Based Model-Reduction Techniques},
   journal = {U.S. Patent 6,135,649},
   month = {October 24,},
   year = {2000}
}

@incollection{Freund00h,
   author = {R. W. Freund},
   editor = {Z. Bai and J. Demmel and J. Dongarra and A. Ruhe and
             H. van der Vorst},
   title = {Band {L}anczos Method ({S}ection 4.6)},
   booktitle = {Templates for the Solution of Algebraic Eigenvalue 
                Problems: A Practical Guide},
   publisher = {SIAM},
   address = {Philadelphia},
   year = {2000},
   pages     = {\mbox{80--88}}
}

@incollection{Freund00i,
   author = {R. W. Freund},
   editor = {Z. Bai and J. Demmel and J. Dongarra and A. Ruhe and
             H. van der Vorst},
   title = {Band {L}anczos Method ({S}ection 7.10)},
   booktitle = {Templates for the Solution of Algebraic Eigenvalue 
                Problems: A Practical Guide},
   publisher = {SIAM},
   address = {Philadelphia},
   year = {2000},
   pages     = {205--216}
}

@incollection{Freund00j,
   author = {R. W. Freund},
   editor = {Z. Bai and J. Demmel and J. Dongarra and A. Ruhe and
             H. van der Vorst},
   title = {{L}anczos Method for Complex Symmetric 
            Eigenproblems ({S}ection 7.11)},
   booktitle = {Templates for the Solution of Algebraic Eigenvalue 
                Problems: A Practical Guide},
   publisher = {SIAM},
   address = {Philadelphia},
   year = {2000},
   pages     = {216--220}
}

@article{Freund00k,
   author = {R. W. Freund},
   title = {Krylov-subspace methods for reduced-order modeling
                     in circuit simulation},
   journal = {Journal of Computational and Applied Mathematics},
   volume = {123},		   
   pages = {395--421},
   year = {2000}
}

@article{Freund00n,
   author = {Z.~Bai and R. W. Freund},
   title = {Eigenvalue-based characterization and test for positive 
                     realness of scalar transfer functions},
  journal = {IEEE Transaction on Automatic Control},
  volume = {45},
  pages = {2396--2402},
  year = {2000}
%  URL =  "http://cm.bell-labs.com/cm/cs/doc/99/3-02.ps.gz"
}

@techreport{Freund00x,
   author = {R. W. Freund and F. Jarre},
   title = {An extension of the positive real lemma to descriptor 
            systems},
   type = {Numerical {A}nalysis {M}anuscript  00--3--09},
   institution = {Bell {L}aboratories},
   year = {2000},
   URL =  "http://cm.bell-labs.com/cm/cs/doc/00/3-09.ps.gz"
}

@article{Freund01a,
   author = {R. W. Freund},
   title = {Computation of matrix-valued formally orthogonal 
                     polynomials and applications},
   journal = {Journal of Computational and Applied Mathematics},
   volume = {127},		   
   pages = {173--199},
   year = {2001}
%   URL =  "http://cm.bell-labs.com/cm/cs/doc/00/3-01.ps.gz"  
}

@article{Freund00m,
   author = {R. W. Freund and F. Jarre},
   title = {Solving the sum-of-ratios problem by an interior-point 
           method},
   journal = {Journal of Global Optimization},
   volume = {19},		   
   pages = {83--102},
   year = {2001}
%   URL =  "http://cm.bell-labs.com/cm/cs/doc/99/3-13.ps.gz"
}

@article{Freund01b,
   author = {Z.~Bai and R. W. Freund},
   title = {A partial {P}ad\'e-via-{L}anczos method for reduced-order 
                     modeling},
   journal = {Linear Algebra and Its Applications},
   volume = {332--334},		   
   pages = {141--166},
   year = {2001}
%  URL =  "http://cm.bell-labs.com/cm/cs/doc/99/3-20.ps.gz"
}

@article{Freund01c,
   author = {Z.~Bai and R. W. Freund},
   title = {A Symmetric Band {L}anczos Process Based on Coupled 
            Recurrences and Some Applications},
   journal = {SIAM Journal on Scientific Computing},
   volume = {23},		   
   pages = {542--562},
   year = {2001}
%  URL =  "http://cm.bell-labs.com/cm/cs/doc/00/3-04.ps.gz"
}

@techreport{Freund02a,
   author = {Z. Bai and P. M. Dewilde and R. W. Freund},
   title = {Reduced-order modeling},
   type = {Numerical {A}nalysis {M}anuscript  02--4--13},
   institution = {Bell {L}aboratories},
   year = {2002},
   URL =  "http://cm.bell-labs.com/cm/cs/doc/02/4-13.ps.gz"
}

@techreport{HoCFVS02,
   author       = {T. K. Ho and L. C. Cowsar and R. W. Freund and
                   L. Vardapetyan and T. R. Salamon},
   title        = {Modeling and simulation of control dynamics in 
                   optical transport systems},
   type = {Numerical {A}nalysis {M}anuscript 02--4--32},
   institution = {Bell {L}aboratories},
   year = {2002},
   URL =  "http://cm.bell-labs.com/cm/cs/doc/02/4-32.doc.gz"
}

@techreport{Freund02b,
   author       = {R. W. Freund},
   title        = {Simulation of {R}aman Amplification},
   type = {Numerical {A}nalysis {M}anuscript 02--4--37},
   institution = {Bell {L}aboratories},
   year = {2002},
   URL =  "http://cm.bell-labs.com/cm/cs/doc/02/4-37.ps.gz"
}

@techreport{Freund03a,
   author       = {R. W. Freund},
   title        = {Optimal pump control of broadband {R}aman 
                   amplifiers via linear programming},
   type = {{T}echnical {M}emorandum {ITD}-03-44004{F}},
   institution = {Bell {L}aboratories, {L}ucent {T}echnologies},
   year = {2003},
   URL =  "http://cm.bell-labs.com/cs/doc/03/raman_tm.pdf"
}

@article{Freund03b,
   author = {R. W. Freund},
   title = {Model reduction methods based on {K}rylov subspaces},
   journal = {Acta Numerica},
   volume = {12},
   pages = {267--319},
   year = {2003}
%   URL =  "http://cm.bell-labs.com/cm/cs/doc/03/4-01.ps.gz"
}

@article{Freund04a,
   author = {R. W. Freund and F. Jarre},
   title = {A sensitivity result for semidefinite programs},
   journal = {Operations Research Letters},
   volume = {32},
   pages = {126--132},
   year = {2004}
%   URL =  "http://cm.bell-labs.com/cm/cs/doc/03/4-07.ps.gz"
}

@article{Freund04b,
   author = {R. W. Freund and F. Jarre},
   title = {An extension of the positive real lemma to descriptor 
            systems},
   journal = {Optimization Methods and Software},
   volume = {18},
   pages = {69--87},
   year = {2004}
}