J. William Helton

Publication Activity (10 Years)

Years Active: 1974-2023
Publications (10 Years): 3

Top Topics

Top Venues

Found. Comput. Math.

Int. J. Algebra Comput.

Publications

Eric Evert, Yi Fu, J. William Helton, John Yin
Empirical Properties of Optima in Free Semidefinite Programs. Exp. Math. 32 (3) (2023)
J. William Helton, Igor Klep, Scott A. McCullough, Jurij Volcic
Noncommutative Polynomials Describing Convex Sets. Found. Comput. Math. 21 (2) (2021)
Adam Bene Watts, J. William Helton
3XOR Games with Perfect Commuting Operator Strategies Have Perfect Tensor Product Strategies and are Decidable in Polynomial Time. CoRR (2020)
Harry Dym, J. William Helton, Caleb Meier
Commuting Variables. Int. J. Algebra Comput. 23 (7) (2013)
J. William Helton, Igor Klep, Scott A. McCullough
The matricial relaxation of a linear matrix inequality. Math. Program. 138 (1-2) (2013)
J. William Helton, Jiawang Nie
A Semidefinite Approach for Truncated K-Moment Problems. Found. Comput. Math. 12 (6) (2012)
Maurício C. de Oliveira, J. William Helton
Solvability of linear matrix equations in a symmetric matrix variable. CDC (2010)
J. William Helton, Igor Klep, Scott A. McCullough
Relaxing LMI domination matricially. CDC (2010)
J. William Helton, Jiawang Nie
Semidefinite representation of convex sets. Math. Program. 122 (1) (2010)
J. William Helton, Kevin J. McGown, Michael L. Walker
Conditions for stabilization of the tokamak plasma vertical instability using only a massless plasma analysis. Autom. 46 (11) (2010)
J. William Helton, Scott A. McCullough, Mihai Putinar, Victor Vinnikov
Convex Matrix Inequalities Versus Linear Matrix Inequalities. IEEE Trans. Autom. Control. 54 (5) (2009)
J. William Helton, Jiawang Nie
Sufficient and Necessary Conditions for Semidefinite Representability of Convex Hulls and Sets. SIAM J. Optim. 20 (2) (2009)
J. William Helton, Igor Klep, Raul Gomez
Determinant Expansions of Signed Matrices and of Certain Jacobians. SIAM J. Matrix Anal. Appl. 31 (2) (2009)
J. William Helton, Jiawang Nie
Structured semidefinite representation of some convex sets. CDC (2008)
J. William Helton, Kevin J. McGown, Michael L. Walker
Conditions for a massless plasma analysis to predict stabilization of the tokamak plasma vertical instability. CDC (2008)
Maurício C. de Oliveira, J. William Helton
A Symbolic Procedure for Computing Semidefinite Program Duals. CDC (2006)
Juan F. Camino, J. William Helton, Robert E. Skelton
Solving Matrix Inequalities whose Unknowns are Matrices. SIAM J. Optim. 17 (1) (2006)
J. William Helton, Matthew R. James, William M. McEneaney
control of discrete-time systems. IEEE Trans. Autom. Control. 50 (11) (2005)
Juan F. Camino, J. William Helton, Robert E. Skelton
Solving matrix inequalities whose unknowns are matrices. CDC (2004)
J. William Helton, Scott A. McCullough
Convex Noncommutative Polynomials Have Degree Two or Less. SIAM J. Matrix Anal. Appl. 25 (4) (2004)
J. William Helton, Marshall A. Whittlesey
Optima. SIAM J. Control. Optim. 42 (1) (2003)
J. William Helton, Maurício C. de Oliveira
Computer algebra tailored to matrix inequalities in control. CDC (2003)
Edward A. Bender, J. William Helton, L. Bruce Richmond
Asymptotics of Permutations with Nearly Periodic Patterns of Rises and Falls. Electron. J. Comb. 10 (2003)
Robert E. Skelton, Rajesh Adhikari, Jean Paul Pinaud, Waileung Chan, J. William Helton
An introduction to the mechanics of tensegrity structures. CDC (2001)
J. William Helton, Matthew R. James, William M. McEneaney
control: practicality of implementing the cheap sensor case. CDC (2001)
J. William Helton
Some adaptive control problems which convert to a "classical" problem in several complex variables. IEEE Trans. Autom. Control. 46 (12) (2001)
Michael Hardt, J. William Helton, Kenneth Kreutz-Delgado
control problems with application to jet engine compressors. IEEE Trans. Control. Syst. Technol. 8 (1) (2000)
J. William Helton, Marshall A. Whittlesey
optima. CDC (2000)
Juan F. Camino, J. William Helton, Robert E. Skelton
A symbolic algorithm for determining convexity of a matrix function: how to get Schur complements out of your life. CDC (2000)
J. William Helton, Mark Stankus, John J. Wavrik
Computer simplification of formulas in linear systems theory. IEEE Trans. Autom. Control. 43 (3) (1998)
S. Yuliar, Matthew R. James, J. William Helton
Dissipative control systems synthesis with full state feedback. Math. Control. Signals Syst. 11 (4) (1998)
Michael L. Walker, J. William Helton
Application of signal subspace algorithms to scattered geometric optics and edge-diffracted signals. IEEE Trans. Signal Process. 42 (9) (1994)
J. William Helton, Daniel Lam, Hugo J. Woerdeman
Sparsity Patterns with High Rank Extremal Positive Semidefinite Matrices. SIAM J. Matrix Anal. Appl. 15 (1) (1994)
Joseph A. Ball, J. William Helton, Michael L. Walker
control for nonlinear systems with output feedback. IEEE Trans. Autom. Control. 38 (4) (1993)
Joseph A. Ball, J. William Helton
control theory for stable plants. Math. Control. Signals Syst. 5 (3) (1992)
J. William Helton, Leiba Rodman
Correction: Vandermonde and Resultant Matrices: An Abstract Approach. Math. Syst. Theory 21 (1) (1988)
J. William Helton, Leiba Rodman
Vandermonde and Resultant Matrices: An Abstract Approach. Math. Syst. Theory 20 (2-3) (1987)
F. Joanne Helton, J. William Helton
Scattering theory and non linear systems. Category Theory Applied to Computation and Control (1974)