Constantin Greif, M. Sc.

Short CV:

  • Oct. 2012 - Sep. 2015: Bachelor of Science, Mathematics and Management, Ulm University
  • Aug. 2016 - May 2017: Master of Science, Mathematics, University of Wisconsin-Milwaukee (USA)
  • Oct. 2015 - March 2019: Master of Science, Mathematics, Ulm University
  • Since Oct. 2018: Scientific Employee, Institute for Numerical Mathematics, Ulm University
  • Since April 2019: Ph.D. student, Institute for Numerical Mathematics, Ulm University


  • Numerical Optimization (Winter term: ’21/’22)
  • Numerical Methods for Ordinary Differential Equations (Summer term: 2022)
  • Numerical Methods for Partial Differential Equations (Summer term: 2021, winter term: ’22/’23)
  • High Performance Computing I (Winter term: '18/'19, '19/'20, '20/'21)
  • High Performance Computing II (Summer term: 2019, 2020)


Research Fields:

  • N-widths of parametric PDEs.
  • Approximation methods using ridge functions.
  • Reduced Basis Methods for parametric PDEs.
  • Numerical methods for Hamilton-Jacobi-Bellman equations.


  1. Decay of the Kolmogorov N-width for wave problems, Constantin Greif and Karsten Urban, Appl. Math. Lett., 2019. (arXiv)
  2. Linear/Ridge expansions: Enhancing linear approximations by ridge functions, Constantin Greif, Philipp Junk, and Karsten Urban, Advances in Computational Mathematics, 2022. (arXiv)
  3. The Kolmogorov N-width for linear transport: Exact representation and the influence of the data, Florian Arbes, Constantin Greif, and Karsten Urban, 2023. (arXiv)
Foto von Constantin Greif vor dem Eingang von  Gebäude HeHo 20.

M. Sc. Constantin Greif

Ulm University
Institute of Numerical Mathematics
Helmholtzstr. 20, Room 1.28, 89081 Ulm
Tel: (+49) 731 50 31 706
Email: constantin.greif(at)

Office Hours: Please make an appointment via e-mail.