Criteria for $D_4$ singularities of wave fronts
Saji, Kentaro
Tohoku Math. J. (2), Tome 63 (2011) no. 1, p. 137-147 / Harvested from Project Euclid
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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.
Publié le : 2011-05-15
Classification:  Wave front,  $D_4$ singularity,  criteria,  singular curvature,  57R45,  53D99,  53A05 
@article{1303219939,
     author = {Saji, Kentaro},
     title = {Criteria for $D\_4$ singularities of wave fronts},
     journal = {Tohoku Math. J. (2)},
     volume = {63},
     number = {1},
     year = {2011},
     pages = { 137-147},
     language = {en},
     url = {http://dml.mathdoc.fr/item/1303219939}
}

Saji, Kentaro. Criteria for $D_4$ singularities of wave fronts. Tohoku Math. J. (2), Tome 63 (2011) no. 1, pp.  137-147. http://gdmltest.u-ga.fr/item/1303219939/