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JP Dr. Dennis Michaels

Kontakt

Technische Universität Dortmund
Fakultät für Mathematik
Vogelpothsweg 87
44227 Dortmund
Germany

Email: Dennis Michaels

Telefon: +49-231-755-7225
Fax: +49-231-755-7215
Raum: M/518

Sprechstunde

  • Mi. 10:30 – 12:00 Uhr in M/518 (oder nach Vereinbarung per E-Mail)
  • in der vorlesungsfreien Zeit nach Vereinbarung (per e-mail )


Forschungsinteressen

  • diskrete Optimierung
  • robuste kombinatorische Optimierung
  • gemischt-ganzzahlige nichtlineare Optimierung
  • globale Optimierung
  • Anwendungen der (deterministischen) Optimierung in der chemischen Verfahrenstechnik


Lehre

Wintersemester 2017/18


Sommersemester 2017


Wintersemester 2016/17



Oberseminar und Kolloquium des Lehrstuhls

  • Oberseminar "Diskrete Optimierung" 
    aktuelles Programm
  • Kolloquium über Optimierung und Operations Research  (gemeinsam mit Prof. Dr. P. Mutzel und Prof. Dr. P. Recht)
    aktuelles Programm

Projekte


Veröffentlichungen


Begutachtete Journalbeiträge

  • Christian Kunde, Dennis Michaels, Jovana Micovic, Philip Lutze, Andrzej Górak, Achim Kienle: Deterministic Global Optimization in Conceptual Process Design of Distillation and Melt Crystallization. Chemical Engineering and Processing: Process Itensification, Volume 99, pp. 132-142 (2016).
    online available at http://dx.doi.org10.1016/j.cep.2015.09.010
  • Martin Ballerstein, Achim Kienle, Christian Kunde, Dennis Michaels, Robert Weismantel: Deterministic global optimization of binary hybrid distillation/melt-crystallization processes based on relaxed MINLP formulations. Optimization and Engineering, Volume 16, Issue 2, pp. 409-440 (2015).
    online avaiable at http://dx.doi.org/10.1007/s11081-014-9267-5
  • Armin Fügenschuh, Christine Hayn, Dennis Michaels: Mixed-integer linear methods for layout-optimization of screening systems in recovered paper production. Optimization and Engineering, Volume 15, Issue 2, pp 533-573 (2014).
    online available at http://dx.doi.org/10.1007/s11081-014-9249-7
  • Martin Ballerstein, Dennis Michaels: Extended formulations for convex envelopes. Journal of Global Optimization, Volume 60, Issue 2, pp 217-238 (2014).
    online available at http://dx.doi.org/10.1007/s10898-013-0104-8
  • Christoph Buchheim, Dennis Michaels, Robert Weismantel: Integer Programming Subject to Monomial Constraints. SIAM Journal on Optimization, Volume 20, Issue 6, pp. 3297-3311 (2010).
    online available at http://dx.doi.org/10.1137/090764402
  • Martin Ballerstein, Dennis Michaels, Andreas Seidel-Morgenstern, Robert Weismantel: A theoretical study of continuous counter-current chromatography for adsorption isotherms with inflection points. Computers & Chemical Engineering, Volume 34, Issue 4, pp. 447-459 (2010).
    online available at http://dx.doi.org/10.1016/j.compchemeng.2009.10.001
  • Matthias Jach, Dennis Michaels, Robert Weismantel The convex envelope of (n-1)-convex functions. SIAM Journal on Optimization, Volume 19, No. 3, pp. 1451 - 1466 (2008).
    online available at http://dx.doi.org/10.1137/07069359X
  • Jignesh Gangadwala, Utz-Uwe Haus, Matthias Jach, Achim Kienle, Dennis Michaels, Robert Weismantel: Global Analysis of Combined Reaction Distillation Processes. Computers & Chemical Engineering, Special Issue: PSE 2006/ESCAPE-16, Volume 32, Issues 1-2, pp. 343 - 355 (2008).
    online available at http://dx.doi.org/10.1016/j.compchemeng.2007.04.015
  • Utz-Uwe Haus, Dennis Michaels, Andreas Seidel-Morgenstern, Robert Weismantel: A method to evaluate the feasibility of TMB chromatography for reduced efficiencies and purity requirements based on discrete optimization. Computers & Chemical Engineering, Volume 31, Issue 11, pp. 1525 - 1534 (2007).
    online available at http://dx.doi.org/10.1016/j.compchemeng.2007.01.001
  • Dennis Michaels, Robert Weismantel: Polyhedra related to integer-convex polynomial systems. Mathematical Programming, Series B, Volume 105, Issues 2-3, pp. 215 - 232 (2006).
    online available at http://dx.doi.org/10.1007/s10107-005-0650-z
  • Jignesh Gangadwala, Achim Kienle, Utz-Uwe Haus, Dennis Michaels, Robert Weismantel: Global Bounds on Optimal Solutions for the Production of 2,3-Dimethylbutene-1. Industrial & Engineering Chemical Research, Volume 45, Issue 7, pp. 2261 - 2271, (2006).
    online available at http:/dx.doi.org/10.1021/ie050584j

Begutachtete Konferenzbeiträge

  • David Adjiashvili, Viktor Bindewald, Dennis Michaels: Robust Assignments via Ear Decompositions and Randomized Rounding In I. Chatzigiannakis, M. Mitzenmacher, Y. Rabani, D. Sangiorgi (eds.): 43rd International Colloquium on Automata, Languages, and Programming - ICALP 2016. (accepted)
  • Nick Mertens, Christian Kunde, Achim Kienle, Dennis Michaels: A Reformulation Strategy for Deterministic Global Optimization of Ideal Multi-component Distillation Processes In Z. Kravanja (ed.): Proceedings of the 26th European Symposium on Computer Aided Process Engineering - ESCAPE 26, Portoroz, Slovenia, June 12th - 15th, 2016. (accepted)
  • Martin Ballerstein, Achim Kienle, Christian Kunde, Dennis Michaels, Robert Weismantel: Towards global optimization of combined distillation-crystallization processes for the separation of closely boiling mixtures. In E. N. Pistikopoulos, M. C. Georgiadis, A. C. Kokossis (eds.): 21st European Symposium on Computer Aided Process Engineering - ESCAPE 21, Porto Carras, Chalkidiki, Greece, May 29 - June 1, 2011, Computer-Aided Chemical Engineering, Volume 29, pp. 552 - 556, Amsterdam, Elsevier (2011). ISBN (set) 978-0-444-53895-6.
  • Matthias Jach, Achim Kienle, Dennis Michaels, Robert Weismantel: Novel convex underestimators and their application to the synthesis of combined reaction distillation processes. In B. Braunschweig and X. Joulia (eds.): 18th European Symposium on Computer Aided Process Engineering - ESCAPE 18, Lyon, France, June 1 - 4, 2008, Computer-Aided Chemical Engineering, Volume 25, on CD, Amsterdam, Elsevier (2011).
  • Utz-Uwe Haus, Jignesh Gangadwala, Achim Kienle, Dennis Michaels, Andreas Seidel-Morgenstern, Robert Weismantel: Global bounds on optimal solutions in chemical process design. In W. Marquardt and C. Pantelides (eds.): 16th European Symposium on Computer Aided Process Engineering (ESCAPE 16) and 9th International Symposium on Process Systems Engineering (PSE 2006), Gamisch-Partenkirchen, Germany, July 9 - 13, Computer-Aided Chemical Engineering, Vol. 21A, pp. 155-160, Amsterdam, Elsevier (2006).
    ISBN (set) 978-0-444-52969-5.
  • Jignesh Gangadwala, Achim Kienle, Utz-Uwe Haus, Dennis Michaels, Robert Weismantel: Optimal process design for the synthesis of 2,3-dimethylbutene-1. In L. Puigjaner and A. Espuna (eds): European Symposium on Computer Aided Process Engineering - 15 (ESCAPE 15), Barcelona, Spain, May 29 - June 1, 2005, Computer-Aided Chemical Engineering, Vol. 20A, pp. 847-852, Amsterdam, Elsevier (2005). ISBN (set) 0-444-51992-4.