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2019

A limited-memory quasi-Newton algorithm for bound-constrained non-smooth optimization

Keskar, N. & Wächter, A., Jan 2 2019, In : Optimization Methods and Software. 34, 1, p. 150-171 22 p.

Research output: Contribution to journalArticle

4 Scopus citations
2018

A derivative-free trust-region algorithm for the optimization of functions smoothed via Gaussian convolution using adaptive multiple importance sampling

Maggiar, A., Wächter, A., Dolinskaya, I. S. & Staum, J., Jan 1 2018, In : SIAM Journal on Optimization. 28, 2, p. 1478-1507 30 p.

Research output: Contribution to journalArticle

2 Scopus citations
5 Scopus citations

A sequential algorithm for solving nonlinear optimization problems with chance constraints

Curtis, F. E., Wächter, A. & Zavala, V. M., Jan 1 2018, In : SIAM Journal on Optimization. 28, 1, p. 930-958 29 p.

Research output: Contribution to journalArticle

4 Scopus citations

A study of the difference-of-convex approach for solving linear programs with complementarity constraints

Jara-Moroni, F., Pang, J. S. & Wächter, A., May 1 2018, In : Mathematical Programming. 169, 1, p. 221-254 34 p.

Research output: Contribution to journalArticle

7 Scopus citations

Complementarity Formulations of ℓ0-norm Optimization

Feng, M., Mitchell, J. J., Pang, J. S., Shen, X. & Waechter, A., 2018, In : Pacific Journal of Optimization. 14, 2, p. 273-305 33 p.

Research output: Contribution to journalArticle

2017

Acceleration Strategies to Enhance Metabolic Ensemble Modeling Performance

Greene, J. L., Waechter, A., Tyo, K. E. J. & Broadbelt, L. J., Sep 5 2017, In : Biophysical Journal. 113, 5, p. 1150-1162 13 p.

Research output: Contribution to journalArticle

6 Scopus citations
2016

An SR1/BFGS SQP algorithm for nonconvex nonlinear programs with block-diagonal Hessian matrix

Janka, D., Kirches, C., Sager, S. & Waechter, A., Dec 1 2016, In : Mathematical Programming Computation. 8, 4, p. 435-459 25 p.

Research output: Contribution to journalArticle

9 Scopus citations

A second-order method for convex ℓ1-regularized optimization with active-set prediction

Keskar, N., Nocedal, J., Öztoprak, F. & Wächter, A., May 3 2016, In : Optimization Methods and Software. 31, 3, p. 605-621 17 p.

Research output: Contribution to journalArticle

9 Scopus citations
2015

An active-set method for quadra tic programming based on sequential hot-starts

Johnson, T. C., Kirches, C. & Wächter, A., Jan 1 2015, In : SIAM Journal on Optimization. 25, 2, p. 967-994 28 p.

Research output: Contribution to journalArticle

4 Scopus citations

Practical algorithms for value-at-risk portfolio optimization problems

Feng, M., Waechter, A. & Staum, J. C., 2015, In : Quantitative Finance Letters . 3, 1, p. 1-9 9 p.

Research output: Contribution to journalArticle

2014

An inexact sequential quadratic optimization algorithm for nonlinear optimization

Curtis, F. E., Johnson, T. C., Robinson, D. P. & Waechter, A., Jan 1 2014, In : SIAM Journal on Optimization. 24, 3, p. 1041-1074 34 p.

Research output: Contribution to journalArticle

9 Scopus citations
2012

A note on the implementation of an interior-point algorithm for nonlinear optimization with inexact step computations

Curtis, F. E., Huber, J., Schenk, O. & Waechter, A., Dec 1 2012, In : Mathematical Programming. 136, 1, p. 209-227 19 p.

Research output: Contribution to journalArticle

7 Scopus citations
2011

Computational lithography: Exhausting the resolution limits of 193-nm projection lithography systems

Melville, D. O. S., Rosenbluth, A. E., Waechter, A., Millstone, M., Tirapu-Azpiroz, J., Tian, K., Lai, K., Inoue, T., Sakamoto, M., Adam, K. & Tritchkov, A., Nov 2011, In : Journal of Vacuum Science and Technology B:Nanotechnology and Microelectronics. 29, 6, 06FH04.

Research output: Contribution to journalArticle

13 Scopus citations
2010

An interior-point algorithm for large-scale nonlinear optimization with inexact step computations

Curtis, F. E., Schenk, O. & Wächter, A., Dec 1 2010, In : SIAM Journal on Scientific Computing. 32, 6, p. 3447-3475 29 p.

Research output: Contribution to journalArticle

25 Scopus citations
2009

A matrix-free algorithm for equality constrained optimization problems with rank-deficient jacobians

Curtis, F. E., Nocedal, J. & Wächter, A., Dec 1 2009, In : SIAM Journal on Optimization. 20, 3, p. 1224-1249 26 p.

Research output: Contribution to journalArticle

19 Scopus citations

Branching and bounds tighteningtechniques for non-convex MINLP

Belotti, P., Lee, J., Liberti, L., Margot, F. & Wächter, A., Aug 2009, In : Optimization Methods and Software. 24, 4-5, p. 597-634 38 p.

Research output: Contribution to journalArticle

307 Scopus citations
2008

Adaptive barrier update strategies for nonlinear interior methods

Nocedal, J., Wächter, A. & Waltz, R. A., Dec 1 2008, In : SIAM Journal on Optimization. 19, 4, p. 1674-1693 20 p.

Research output: Contribution to journalArticle

46 Scopus citations

An algorithmic framework for convex mixed integer nonlinear programs

Bonami, P., Biegler, L. T., Conn, A. R., Cornuéjols, G., Grossmann, I. E., Laird, C. D., Lee, J., Lodi, A., Margot, F., Sawaya, N. & Wächter, A., May 1 2008, In : Discrete Optimization. 5, 2, p. 186-204 19 p.

Research output: Contribution to journalArticle

421 Scopus citations

Inertia-revealing preconditioning for large-scale nonconvex constrained optimization

Schenk, O., Wachter, A. & Weiser, M., Dec 1 2008, In : SIAM Journal on Scientific Computing. 31, 2, p. 939-960 22 p.

Research output: Contribution to journalArticle

31 Scopus citations
2007
118 Scopus citations

Rapid development of an open-source MlNLP solver with COIN-OR

Bonami, P., Forrest, J. J., Lee, J. & Wächter, A., 2007, In : Optima Newsletter. 75

Research output: Contribution to journalArticle

2006

Line search filter methods for nonlinear programming: Motivation and global convergence

Wächter, A. & Biegler, L. T., Feb 27 2006, In : SIAM Journal on Optimization. 16, 1, p. 1-31 31 p.

Research output: Contribution to journalArticle

216 Scopus citations

Line search filter methods for nonlinear programming: Local convergence

Wächter, A. & Biegler, L. T., Feb 27 2006, In : SIAM Journal on Optimization. 16, 1, p. 32-48 17 p.

Research output: Contribution to journalArticle

130 Scopus citations

On the implementation of an interior-point filter line-search algorithm for large-scale nonlinear programming

Wächter, A. & Biegler, L. T., May 1 2006, In : Mathematical Programming. 106, 1, p. 25-57 33 p.

Research output: Contribution to journalArticle

3494 Scopus citations
2005

Large-scale nonlinear optimization in circuit tuning

Wächter, A., Visweswariah, C. & Conn, A. R., Oct 1 2005, In : Future Generation Computer Systems. 21, 8, p. 1251-1262 12 p.

Research output: Contribution to journalArticle

8 Scopus citations
2004

A primal-dual interior-point method for nonlinear programming with strong global and local convergence properties

Tits, A. L., Wächter, A., Bakhtiari, S., Urban, T. J. & Lawrence, C. T., Mar 19 2004, In : SIAM Journal on Optimization. 14, 1, p. 173-199 27 p.

Research output: Contribution to journalArticle

51 Scopus citations
2003

DAE constrained optimization

Biegler, L. T. & Wächter, A., 2003, In : SIAG/OPT Views-and-News. 14, p. 10-15

Research output: Contribution to journalArticle

Dynamic optimization of the Tennessee Eastman process using the OptControlCentre

Jockenhövel, T., Biegler, L. T. & Wächter, A., Nov 15 2003, In : Computers and Chemical Engineering. 27, 11, p. 1513-1531 19 p.

Research output: Contribution to journalArticle

68 Scopus citations

Global convergence of a trust-region SQP-filter algorithm for general nonlinear programming

Fletcher, R., Gould, N. I. M., Leyffer, S., Toint, P. L. & Wächter, A., Jan 1 2003, In : SIAM Journal on Optimization. 13, 3, p. 635-659 25 p.

Research output: Contribution to journalArticle

202 Scopus citations
2002

Advances in simultaneous strategies for dynamic process optimization

Biegler, L. T., Cervantes, A. M. & Wächter, A., Feb 14 2002, In : Chemical Engineering Science. 57, 4, p. 575-593 19 p.

Research output: Contribution to journalArticle

317 Scopus citations
2000

Active set vs. interior point strategies for model predictive control

Bartlett, R. A., Wachter, A. & Biegler, L. T., Dec 1 2000, In : Proceedings of the American Control Conference. 6, p. 4229-4233 5 p., 877018.

Research output: Contribution to journalArticle

73 Scopus citations

A reduced space interior point strategy for optimization of differential algebraic systems

Cervantes, A. M., Wächter, A., Tütüncü, R. H. & Biegler, L. T., Apr 3 2000, In : Computers and Chemical Engineering. 24, 1, p. 39-51 13 p.

Research output: Contribution to journalArticle

83 Scopus citations

Failure of global convergence for a class of interior point methods for nonlinear programming

Wächter, A. & Biegler, L. T., Jan 1 2000, In : Mathematical Programming, Series B. 88, 3, p. 565-574 10 p.

Research output: Contribution to journalArticle

57 Scopus citations