Consultation hours
In lectures period:
Tuesday from 10:00 to 11:00 am
Off lectures period:
only by appointment
![]() Prof. Dr. Oliver Stein |
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room: 104 phone: +49 721 608-46782 fax: +49 721 608-45440 steinGxr2∂kit edu |
building 09.21 |
In lectures period:
Tuesday from 10:00 to 11:00 am
Off lectures period:
only by appointment
59 | C. Neumann, O. Stein, N. Sudermann-Merx, A feasible rounding approach for mixed-integer optimization problems, Computational Optimization and Applications, 2018, DOI 10.1007/s10589-018-0042-y. | |
58 | P. Kirst, O. Stein, Global optimization of generalized semi-infinite programs using disjunctive programming, Journal of Global Optimization, Vol. 73 (2019), 1-25. | |
57 | T. Bajbar, O. Stein, Coercive polynomials: Stability, order of growth, and Newton polytopes, Optimization, 2018, DOI 10.1080/02331934.2018.1426585. | |
56 | O. Stein, N. Sudermann-Merx, The noncooperative transportation problem and linear generalized Nash games, European Journal of Operational Research, Vol. 266 (2018), 543-553. | |
55 | T. Bajbar, O. Stein, On globally diffeomorphic polynomial maps via Newton polytopes and circuit numbers, Mathematische Zeitschrift, Vol. 288 (2018), 915-933. | |
54 | P. Kirst, F. Rigterink, O. Stein, Global optimization of disjunctive programs, Journal of Global Optimization, Vol. 69 (2017), 283-307. | |
53 | O. Stein, Error bounds for mixed integer nonlinear optimization problems, Optimization Letters, Vol. 10 (2016), 1153-1168. | |
52 | P. Kirst, O. Stein, Solving disjunctive optimization problems by generalized semi-infinite optimization techniques, Journal of Optimization Theory and Applications, Vol. 169 (2016), 1079-1109. | |
51 | O. Stein, N. Sudermann-Merx, The cone condition and nonsmoothness in linear generalized Nash games, Journal of Optimization Theory and Applications, Vol. 170 (2016), 687-709. | |
50 | P. Kirst, O. Stein, P. Steuermann, Deterministic upper bounds for spatial branch-and-bound methods in global minimization with nonconvex constraints, TOP, Vol. 23 (2015), 591-616. | |
49 | T. Bajbar, O. Stein, Coercive polynomials and their Newton polytopes, SIAM Journal on Optimization, Vol. 25 (2015), 1542-1570. This example by Sönke Behrends shows that the implication in Lemma 2.2 may not be reversed. | |
48 | O. Stein, Error bounds for mixed integer linear optimization problems, Mathematical Programming, Vol. 156 (2016), 101-123. | |
47 | O. Stein, N. Sudermann-Merx, On smoothness properties of optimal value functions at the boundary of their domain under complete convexity, Mathematical Methods of Operations Research, Vol. 79 (2014), 327-352. | |
46 | N. Harms, C. Kanzow, O. Stein, Smoothness properties of a regularized gap function for quasi-variational inequalities, Optimization Methods and Software, Vol. 29 (2014), 720-750. | |
45 | O. Stein, P. Steuermann, On smooth relaxations of obstacle sets, Optimization and Engineering, Vol. 15 (2014), 3-33. | |
44 | O. Stein, Twice differentiable characterizations of convexity notions for functions on full dimensional convex sets, Schedae Informaticae, Vol. 21 (2012), 55-63. | |
43 | N. Harms, C. Kanzow, O. Stein, On differentiability properties of player convex generalized Nash equilibrium problems, Optimization, Vol. 64 (2015), 365-388. | |
42 | O. Stein, How to solve a semi-infinite optimization problem, European Journal of Operational Research, Vol. 223 (2012), 312-320. | |
41 | M. Diehl, B. Houska, O. Stein, P. Steuermann, A lifting method for generalized semi-infinite programs based on lower level Wolfe duality, Computational Optimization and Applications, Vol. 54 (2013), 189-210. | |
40 | O. Stein, P. Steuermann, The adaptive convexification algorithm for semi-infinite programming with arbitrary index sets, Mathematical Programming, Ser. B, Vol. 136 (2012), 183-207. | |
39 | V. Shikhman, O. Stein, On jet-convex functions and their tensor products, Optimization, Vol. 61 (2012), 717-731. | |
38 | A. Dreves, C. Kanzow, O. Stein, Nonsmooth optimization reformulations of player convex generalized Nash equilibrium problems, Journal of Global Optimization, Vol. 53 (2012), 587-614. | |
37 | D. Dorsch, V. Shikhman, O. Stein, Mathematical programs with vanishing constraints: critical point theory, Journal of Global Optimization, Vol. 52 (2012), 591-605. | |
36 | D. Ralph, O. Stein, The C-index: a new stability concept for quadratic programs with complementarity constraints, Mathematics of Operations Research, Vol. 36 (2011), 504-526. | |
35 | O. Stein, Lifting mathematical programs with complementarity constraints, Mathematical Programming, Vol. 131 (2012), 71-94. | |
34 | O. Stein, A. Winterfeld, A feasible method for generalized semi-infinite programming, Journal of Optimization Theory and Applications, Vol. 146 (2010), 419-443. | |
33 | O. Stein, A. Tezel, The semismooth approach for semi-infinite programming without strict complementarity, SIAM Journal on Optimization, Vol. 20 (2009), 1052-1072. | |
32 | H. Günzel, H. Th. Jongen, O. Stein, Generalized semi-infinite programming: on generic local minimizers, Journal of Global Optimization, Vol. 42 (2008), 413-421. | |
31 | V. Shikhman, O. Stein, Constrained optimization: projected gradient flows, Journal of Optimization Theory and Applications, Vol. 140 (2009), 117–130. | |
30 |
H. Th. Jongen, O. Stein, Smoothing by mollifiers. Part II: Nonlinear optimization, Journal of Global Optimization, Vol. 41 (2008), 335-350. |
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29 | H. Th. Jongen, O. Stein, Smoothing by mollifiers. Part I: Semi-infinite optimization, Journal of Global Optimization, Vol. 41 (2008), 319-334. | |
28 | H. Günzel, H. Th. Jongen, O. Stein, Generalized semi-infinite programming: the Symmetric Reduction Ansatz, Optimization Letters, Vol. 2 (2008), 415-424. | |
27 | O. Stein, A. Tezel, The semismooth approach for semi-infinite programming under the Reduction Ansatz, Journal of Global Optimization, Vol. 41 (2008), 245-266. | |
26 | H. Günzel, H. Th. Jongen, O. Stein, On the closure of the feasible set in generalized semi-infinite programming, Central European Journal of Operations Research, Vol. 15 (2007), 271-280. | |
25 | C. A. Floudas, O. Stein, The adaptive convexification algorithm: a feasible point method for semi-infinite programming, SIAM Journal on Optimization, Vol. 18 (2007), 1187-1208. | |
24 | S. D. Flåm, H. Th. Jongen, O. Stein, Slopes of shadow prices and Lagrange multipliers, Optimization Letters, Vol. 2 (2008), 143-155. | |
23 | F. Guerra Vázquez, J.-J. Rückmann, O. Stein, G. Still, Generalized semi-infinite programming: a tutorial, Journal of Computational and Applied Mathematics, Vol. 217 (2008), 394-419. | |
22 | J. Guddat, L. Neralic, O. Stein, Sensitivity analysis of the proportionate change of a subset of outputs or/and inputs in data envelopment analysis, Mathematical Communications, Vol. 11 (2006), 187-201. | |
21 | O. Stein, On Karush-Kuhn-Tucker points for a smoothing method in semi-infinite optimization, Journal of Computational Mathematics, Vol. 24 (2006), 719-732. | |
20 | O. Stein, M. Winkler, Amorphous molecular beam epitaxy: global solutions and absorbing sets, European Journal of Applied Mathematics, Vol. 16 (2005), 767-798. | |
19 | O. Stein, J. Oldenburg, W. Marquardt, Continuous reformulations of discrete-continuous optimization problems, Computers and Chemical Engineering, Vol. 28 (2004), 1951-1966. | |
18 | L. Neralic, O. Stein, On regular and parametric data envelopment analysis, Mathematical Methods of Operations Research, Vol. 60 (2004), 15-28. | |
17 | O. Stein, On constraint qualifications in non-smooth optimization, Journal of Optimization Theory and Applications, Vol. 121 (2004), 647-671. | |
16 | B. B. King, O. Stein, M. Winkler, A fourth order parabolic equation modeling epitaxial thin film growth, Journal of Mathematical Analysis and Applications, Vol. 286 (2003), 459-490. | |
15 | H. Th. Jongen, O. Stein, On the complexity of equalizing inequalities, Journal of Global Optimization, Vol. 27 (2003), 367-374. | |
14 | O. Stein, G. Still, Solving semi-infinite optimization problems with interior point techniques, SIAM Journal on Control and Optimization, Vol. 42 (2003), 769-788. | |
13 | O. Stein, G. Still, On generalized semi-infinite optimization and bilevel optimization, European Journal of Operational Research, Vol. 142 (2002), 444-462. | |
12 | H. Th. Jongen, O. Stein, Nonconvex optimization: gradient flows and deformation, Journal on Dynamical and Control Systems, Vol. 7 (2001), 425-446. | |
11 | O. Stein, The role of the transition function in a continuum model for kinetic roughening and coarsening in thin films, Materials Science in Semiconductor Processing, Vol. 4 (2001), 405-416. | |
10 | O. Stein, First order optimality conditions for degenerate index sets in generalized semi-infinite programming, Mathematics of Operations Research, Vol. 26 (2001), 565-582. | |
9 | J.-J. Rückmann, O. Stein, On linear and linearized generalized semi-infinite optimization problems, Annals of Operations Research, Vol. 101 (2001), 191-208. | |
8 | O. Stein, A note on the dual description of projected polytopes, Investigación Operacional, Vol. 22 (2001), 139-144. | |
7 | A. Jess, H. Th. Jongen, L. Neralic, O. Stein, A semi-infinite programming model in data envelopment analysis, Optimization, Vol. 49 (2001), 369-385. | |
6 | O. Stein, G. Still, On optimality conditions for generalized semi-infinite programming problems, Journal of Optimization Theory and Applications, Vol. 104 (2000), 443-458. | |
5 | O. Stein, On level sets of marginal functions, Optimization, Vol. 48 (2000), 43-67. | |
4 | H. Th. Jongen, O. Stein, On generic one-parametric semi-infinite optimization, SIAM Journal on Optimization, Vol. 7 (1997), 1103-1137. | |
3 | H. Th. Jongen, J.-J. Rückmann, O. Stein, Generalized semi-infinite optimization: a first order optimality condition and examples, Mathematical Programming, Vol. 83 (1998), 145-158. | |
2 | H. Th. Jongen, J.-J. Rückmann, O. Stein, Disjunctive optimization: critical point theory, Journal of Optimization Theory and Applications, Vol. 93 (1997), 321-336. | |
1 | O. Stein, Bifurcations of hyperbolic fixed points for explicit Runge-Kutta methods, IMA Journal of Numerical Analysis, Vol. 17 (1997), 151-175. |
Please click here for a list of reviews by Oliver Stein (MathSciNet access required).
If you are interested in any of the papers which are not electronically available, please mail your complete address to Prof. Dr. Oliver Stein .
Professional Experience: | 10/2010 - | Co-opted member of the Faculty of Mathematics, KIT |
07/2010 - | Lecturer at the KIT School of Energy | |
10/2008 - 09/2014: | Vice dean of education at the Faculty of Economics and Business Engineering | |
09/2008 - | Lecturer at the Hector School for Engineering and Management | |
11/2006 - | Full Professor at the Karlsruhe Institute of Technology | |
07/2005 - 11/2006: | Heisenberg fellow of the German Research Foundation (DFG) | |
02/2006 - 04/2006: | Academic Visitor at the Department of Chemical Engineering, Princeton University, USA | |
07/2005 - 09/2005: | Academic Visitor at the Judge Business School, University of Cambridge, UK | |
04/2005 - 06/2005: | Assistant Professor at RWTH Aachen University | |
10/2004 - 03/2005: | Full Professor (substituting) at the University of Duisburg-Essen | |
10/2002 - 09/2004: | Assistant Professor at RWTH Aachen University | |
04/2002 - 09/2002: | Full Professor (substituting) at the Chemnitz University of Technology | |
04/2000 - 03/2002: | Assistant Professor at RWTH Aachen University | |
04/1999 - 04/2000: | Postdoc at the Interdisciplinary Center for Applied Mathematics, Virginia Tech, Blacksburg VA, USA | |
and fellowship holder of the Alexander von Humboldt-Stiftung | ||
07/1997 - 03/1999: | Assistant Professor at RWTH Aachen University | |
01/1997 - 06/1997: | Wissenschaftlicher Angestellter at RWTH Aachen University | |
04/1995 - 12/1996: | Member and scholarship holder of the "Graduiertenkolleg Mathematische Optimierung" at the University of Trier | |
03/1994 - 12/1994: | Teaching Assistant at the University of Trier | |
Education and degrees: | 07/2002: | Habilitation at RWTH Aachen University, Venia Legendi for Mathematics |
Habilitation Thesis: Bi-level Strategies in Semi-infinite Programming | ||
01/1997: | Graduation "mit Auszeichnung" (summa cum laude) | |
Advisors: Prof. Dr. R. Hettich, University of Trier, | ||
and Prof. Dr. H. Th. Jongen, RWTH Aachen University | ||
Doctoral Thesis: On parametric semi-infinite optimization | ||
12/93: Diploma in mathematics (C/G numerical analysis) and economics at the University of Trier, Germany | ||
Grants and awards: | 01/2017: | Hector Teaching Award 2014/2015 |
01/2016: | Hector Teaching Award 2013/2014 | |
01/2014: | Hector Teaching Award 2011/2012 | |
12/2013: | TOP-5 paper published in Journal of Global Optimization in 2012 | |
11/2011: | KIT faculty teaching award | |
07/2005 - 11/2006: | Heisenberg fellowship of the Deutsche Forschungsgemeinschaft | |
04/1999 - 04/2000: | Feodor Lynen fellowship of the Alexander von Humboldt-Stiftung | |
04/1990 - 09/1993: | Scholarship of the Friedrich Ebert-Stiftung | |
Professional Societies: | DMV, GAMM, GOR, MOS, SIAM, SIGOPT | |
Member of several conference program and organization committees | ||
Other Professional Activities: | 1994 - 1996: | Mathematical consultant at the "Institut für Arbeitsrecht und Arbeitsbeziehungen in der Europäischen Gemeinschaft (IAAEG)", Trier |
1989 - 1994: | Freelancer at the news agency "Associated Press", Frankfurt a.M. |