On Synthesizing Discrete Fractional Brownian Motion with Applications to Image Processing. - W. M. Krueger; S. D. Jost; K. Rossi; Ulrike Axen (CVGIP Graph. Model. Image Process., 1996)

Auditory Morse Analysis of Triangulated Manifolds. - Ulrike Axen; Herbert Edelsbrunner (VisMath, 1997)

Topological Analysis Using Morse Theory and Auditory Display - Ulrike Axen (1998)

Computing Morse Functions on Triangulated Manifolds. - Ulrike Axen (SODA, 1999)

Computing contour trees in all dimensions. - Hamish A. Carr; Jack Snoeyink; Ulrike Axen (Comput. Geom., 2003)