| Year |
Citation |
Score |
| 2017 |
Evert E, Helton JW, Klep I, McCullough S. Circular free spectrahedra Journal of Mathematical Analysis and Applications. 445: 1047-1070. DOI: 10.1016/J.Jmaa.2016.07.011 |
0.33 |
|
| 2013 |
Helton JW, Klep I, McCullough S. The matricial relaxation of a linear matrix inequality Mathematical Programming. 138: 401-445. DOI: 10.1007/s10107-012-0525-z |
0.321 |
|
| 2011 |
Greene JM, Helton JW, Vinnikov V. Noncommutative plurisubharmonic polynomials part I: Global assumptions Journal of Functional Analysis. 261: 3390-3417. DOI: 10.1016/J.Jfa.2011.08.006 |
0.433 |
|
| 2009 |
Helton JW, McCullough S, Putinar M, Vinnikov V. Convex matrix inequalities versus linear matrix inequalities Ieee Transactions On Automatic Control. 54: 952-964. DOI: 10.1109/Tac.2009.2017087 |
0.461 |
|
| 2009 |
Dym H, Greene JM, Helton JW, McCullough SA. Classification of all noncommutative polynomials whose Hessian has negative signature one and a noncommutative second fundamental form Journal D'Analyse Mathematique. 108: 19-59. DOI: 10.1007/S11854-009-0017-0 |
0.423 |
|
| 2007 |
Camino JF, Helton JW, Skelton RE. Solving matrix inequalities whose unknowns are matrices Siam Journal On Optimization. 17: 1-36. DOI: 10.1137/040613718 |
0.677 |
|
| 2007 |
Helton JW, Far RR, Speicher R. Operator-valued semicircular elements: Solving a quadratic matrix equation with positivity constraints International Mathematics Research Notices. 2007. DOI: 10.1093/imrn/rnm086 |
0.313 |
|
| 2007 |
Helton JW, Vinnikov V. Linear matrix inequality representation of sets Communications On Pure and Applied Mathematics. 60: 654-674. DOI: 10.1002/cpa.20155 |
0.314 |
|
| 2006 |
De Oliveira MC, Helton JW. Computer algebra tailored to matrix inequalities in control International Journal of Control. 79: 1382-1400. DOI: 10.1080/00207170600725529 |
0.49 |
|
| 2006 |
Helton JW, McCullough SA, Vinnikov V. Noncommutative convexity arises from linear matrix inequalities Journal of Functional Analysis. 240: 105-191. DOI: 10.1016/j.jfa.2006.03.018 |
0.35 |
|
| 2006 |
De Oliveira MC, Helton JW. A symbolic procedure for computing semidefinite program duals Proceedings of the Ieee Conference On Decision and Control. 5192-5197. |
0.389 |
|
| 2005 |
Helton JW, McCullough S, Vinnikov V. Noncommutative convexity vs LMI'S Ifac Proceedings Volumes (Ifac-Papersonline). 16: 445-450. DOI: 10.3182/20050703-6-Cz-1902.01019 |
0.363 |
|
| 2003 |
Camino JF, Helton JW, Skelton RE, Ye J. Matrix inequalities: A symbolic procedure to determine convexity automatically Integral Equations and Operator Theory. 46: 399-454. DOI: 10.1007/S00020-001-1147-7 |
0.664 |
|
| 2003 |
Camino JF, Helton JW, Skelton RE, Ye J. Matrix inequalities: A symbolic procedure to determine convexity automatically Integral Equations and Operator Theory. 46: 399-454. |
0.635 |
|
| 2000 |
Helton JW, Kronewitter FD, McEneaney WM, Stankus M. Singularly perturbed control systems using non-commutative computer algebra International Journal of Robust and Nonlinear Control. 10: 983-1003. DOI: 10.1002/1099-1239(200009/10)10:11/12<983::Aid-Rnc535>3.0.Co;2-# |
0.438 |
|
| 2000 |
Camino JF, Helton JW, Skelton RE. A symbolic algorithm for determining convexity of a matrix function: How to get schur complements out of your life Proceedings of the Ieee Conference On Decision and Control. 5: 5023-5026. |
0.666 |
|
| 1999 |
Helton JW, Stankus M. Computer Assistance for "Discovering" Formulas in System Engineering and Operator Theory Journal of Functional Analysis. 161: 289-363. DOI: 10.1006/Jfan.1998.3249 |
0.388 |
|
| 1998 |
Helton JW, Stankus M, Wavrik JJ. Computer simplification of formulas in linear systems theory Ieee Transactions On Automatic Control. 43: 302-314. DOI: 10.1109/9.661584 |
0.437 |
|
| 1998 |
Yuliar S, James MR, Helton JW. Dissipative Control Systems Synthesis with Full State Feedback Mathematics of Control, Signals, and Systems. 11: 335-356. DOI: 10.1007/Bf02750396 |
0.346 |
|
| 1993 |
Ball JA, Helton JW, Walker ML. H/sup infinity / control for nonlinear systems with output feedback Ieee Transactions On Automatic Control. 38: 546-559. DOI: 10.1109/9.250523 |
0.32 |
|
| 1992 |
Ball JA, Helton JW. Inner-outer factorization of nonlinear operators Journal of Functional Analysis. 104: 363-413. DOI: 10.1016/0022-1236(92)90005-4 |
0.322 |
|
| 1991 |
Helton FJ, Greene JM, Helton JW. A measure of control sensitivity and saturation effects for Tokamak equilibria Plasma Physics and Controlled Fusion. 33: 827-845. DOI: 10.1088/0741-3335/33/7/006 |
0.407 |
|
| 1991 |
Ball JA, Helton JW, Verma M. A factorization principle for stabilization of linear control systems International Journal of Robust and Nonlinear Control. 1: 229-294. DOI: 10.1002/Rnc.4590010403 |
0.312 |
|
| 1989 |
Helton JW, Sideris A. Frequency response algorithms for H/sub infinity / optimization with time domain constraints Ieee Transactions On Automatic Control. 34: 427-434. DOI: 10.1109/9.28017 |
0.403 |
|
| 1988 |
Helton FJ, Greene JM, Helton JW. Ideal MHD computations necessary for tokamak design realizability . 43-44. |
0.419 |
|
| 1986 |
Ball JA, Helton JW. Interpolation problems of Pick-Nevanlinna and Loewner types for meromorphic matrix functions: Parametrization of the set of all solutions Integral Equations and Operator Theory. 9: 155-203. DOI: 10.1007/Bf01195006 |
0.306 |
|
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