See the separate pages for papers on the Mandelbrot set and on fracture mechanics.

Research on scattering theory:

Under construction ... Ω± Ψ = limt→±∞ eiHt e-iH0t Ψ

Publications and preprints:

[E0] Multiple Reflections in One-Dimensional Quantum Scattering
Unpublished manuscript of 1998. Download pdf.

[E1] Der geometrische Ansatz zur inversen Streutheorie bei der Dirac-Gleichung
Diploma thesis of 1996. Download pdf (595 kb).

[E2] Geometrical Approach to Inverse Scattering for the Dirac Equation
Appeared in Journ. Math. Phys., vol 38, January 1997, pp 39 - 48.
The original article is found there. Copyright 1997 American Institute of Physics.
Download pdf here. This article may be downloaded for personal use only. Any
other use requires prior permission of the author and the American Institute of Physics.

[E3] Jointly with V. Enss: Geometrical Approach to Inverse Scattering
Appeared in the proceedings of the First MaPhySto Workshop on Inverse Problems,
22-24 April 1999, Aarhus. MaPhySto Miscellanea no. 13, 1999, ISSN 1398-5957.
Download pdf.

[E4] Gauge Transformations and Inverse Quantum Scattering with Medium-Range Magnetic Fields
arXiv:math-ph/0412096. Appeared in Mathematical Physics Electronic Journal MPEJ,
vol 11, paper 5, December 2005, 32 pp. Freely available at MPEJ. Download pdf here.

[E5] Inverse Relativistic and Obstacle Scattering with Medium-Range Magnetic Fields
Preprint in preparation (2020). A 2-page summary was added to the previous preprint.