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Professur Wirtschaftsmathematik
Sebastian Lämmel
Professur Wirtschaftsmathematik 

Portrait: M. Sc. Sebastian Lämmel
M. Sc. Sebastian Lämmel
  • Telefon:
    +49 371 531-31912
  • E-Mail:
  • Adresse:
    Reichenhainer Straße 41, 09126 Chemnitz
  • Raum:
    C47.726 (alt: 2/41/726)
  • Sprechzeiten:
    Nach Vereinbarung

 

Curriculum Vitae
  • 2015 Bachelor of Science in Mathematics, TU Chemnitz
  • 2019 Master of Science in Mathematics, TU Chemnitz
  • since 2019 Scientific assistant, Faculty of Mathematics, TU Chemnitz
Research Interests
  • Cardinality-constrained optimization problems
  • Channel preorders and Shannon-garblings
  • Critical point theory
  • Nonsmooth optimization
Publications
  • Lämmel, Sebastian ; Shikhman, Vladimir. Extended convergence analysis of the Scholtes-type regularization for cardinality-constrained optimization problems. In: Mathematical Programming, online first (2024). doi.org/10.1007/s10107-024-02082-3
  • Lämmel, Sebastian ; Shikhman, Vladimir. Global aspects of the continuous reformulation for cardinality-constrained optimization problems. In: Optimization, Vol.73, p. 3185-3208 (2024). doi.org/10.1080/02331934.2023.2249014
  • Lämmel, Sebastian ; Shikhman, Vladimir. Cardinality-constrained optimization problems in general position and beyond. In: Pure and Applied Functional Analysis, Vol. 8, no. 4., p. 1107-1133 (2023). http://yokohamapublishers.jp/online2/oppafa/vol8/p1107.html
  • Lämmel, Sebastian ; Shikhman, Vladimir. Critical point theory for sparse recovery. In: Optimization (2023), Vol. 72, p. 521-549 (2023). doi.org/10.1080/02331934.2021.1981317
  • Lämmel, Sebastian ; Shikhman, Vladimir. Optimality conditions for mathematical programs with orthogonality type constraints. In: Set-Valued and Variational Analysis, (2023), Vol. 31, 9. doi.org/10.1007/s11228-023-00673-4
  • Lämmel, Sebastian ; Shikhman, Vladimir. On nondegenerate M-stationary points for sparsity constrained nonlinear optimization. In: Journal of Global Optimization, Vol. 82, p. 219-242 (2022). doi.org/10.1007/s10898-021-01070-7
Preprints
  • Lämmel, Sebastian ; Shikhman, Vladimir. Shannon's comparison of channels characterized by optimal decision making. 19 pages (2019). arXiv:1906.07041

Conferences / Workshops / Schools
  • EURO, Copenhagen, Denmark, 2024
  • 21st EUROPT, Lund, Sweden, 2024
  • WSOPT, Burg (Spreewald), Germany, 2024
  • SIGOPT, Cottbus, Germany, 2023
  • 12th paraoptXII, Augsburg, Germany, 2022
  • HUGO 2022 - XV. Workshop on Global Optimization, Szeged, Hungary, 2022
  • UNIVERS Winterschool, Chemnitz, Germany, 2021
  • DMV-ÖMG Jahrestagung, Passau, Germany, 2021
  • 18th EUROPT, Toulouse, France, 2021
  • WSOPT, Cottbus, Germany, 2021
  • DMV Jahrestagung, Chemnitz, Germany, 2020
  • SIGOPT, Dortmund, Germany, 2020
  • ICCOPT, Berlin, Germany, 2019
Teaching 

Nummer Name Zeit Raum Details
220000-146
Übung
Montag (Wöchentlich)
15:30-17:00
C10.106
(alt: 2/N106)
220000-756
Übung
Freitag (Wöchentlich)
11:30-13:00
C25.017
(alt: 2/W017)

WiSe 2024/25

Previous terms
  • SoSe 2024
  • 2019-2024
    • Exercise: Game Theory [Lecturer: Prof. Dr. Vladimir Shikhman]
    • Exercise: Grundlagen der Optimierung [Lecturer: Dr. Sara Grundel]
    • Exercise: Mathematical Foundations of Big Data Analytics [Lecturer: Prof. Dr. Vladimir Shikhman]
    • Exercise: Mathematical Foundations of Finance [Lecturer: Prof. Dr. Thomas Kalmes]
    • Exercise: Mathematik I für Wirtschaftswissenschaftler und -informatiker [Lecturer: Prof. Dr. Vladimir Shikhman]
    • Exercise: Mathematik II für Wirtschaftswissenschaftler und -informatiker [Lecturer: Prof. Dr. Vladimir Shikhman, Prof. Dr. Thomas Kalmes]
    • Exercise: Mathematik im Investmentbanking [Lecturer: Prof. Dr. Vladimir Shikhman, Dr. Dana Uhlig]
    • Exercise: Mathematische Modelle in den Wirtschaftswissenschaften [Lecturer: Prof. Dr. Vladimir Shikhman]