Abstract
We give useful and simple criteria for determining $D_4^\pm$ singularities of wave fronts. As an application, we investigate behaviors of singular curvatures of cuspidal edges near $D_4^+$ singularities.
Citation
Kentaro Saji. "Criteria for $D_4$ singularities of wave fronts." Tohoku Math. J. (2) 63 (1) 137 - 147, 2011. https://doi.org/10.2748/tmj/1303219939
Information