Institut für Angewandte Mathematik (Math D)
Dr. Christian Stelzer-Landauer
Postal Address Technische Universität Graz
Institut für Angewandte Mathematik
Steyrergasse 30
8010 Graz
Austria
Phone-
RoomST 03 244
Electronic Mail christian.stelzer@tugraz.at
Office hour by arrangement
Project
Teaching Winter Term 2024/25
Teaching Summer Term 2024
Topics of Interest
  • Dirac and Schrödinger operators with singular interactions
  • Approximation of Dirac and Schrödinger operators
Publications
  1. J. Behrndt, M. Holzmann, C. Stelzer, G. Stenzel:
    A class of singular perturbations of the Dirac operator: boundary triplets and Weyl functions,
    Acta Wasaensia 462 (2021), Festschrift in honor of Seppo Hassi, 15-36.

  2. J. Behrndt, M. Holzmann, C. Stelzer-Landauer, G. Stenzel:
    Boundary triples and Weyl functions for Dirac operators with singular interactions,
    Rev. Math. Phys. 36(2) (2024), 2350036 (65 pages); arXiv.

  3. J. Behrndt, D. Frymark, M. Holzmann, C. Stelzer-Landauer:
    Nonrelativistic Limit of Generalized MIT Bag Models and Spectral Inequalities,
    Math. Phys. Anal. Geom. 27 (2024), 12 (30 pages); arXiv.

  4. L. Heriban, M. Holzmann, C. Stelzer-Landauer, G. Stenzel, M. Tušek:
    Two-dimensional Schrödinger operators with non-local singular potentials,
    J. Math. Anal. Appl. 549(2) (2025), 129498 (39 pages); arXiv.

Submitted Papers
  1. J. Behrndt, M. Holzmann, C. Stelzer:
    Approximation of Dirac operators with δ-shell potentials in the norm resolvent sense; arXiv.

Master Thesis
  1. C. Stelzer,
    Dirac Operators with δ-Shell Interactions on Lipschitz and C1 Surfaces,
    Master Thesis (Mathematics), TU Graz, 2021, pdf.