Criteria for D₄ singularities of wave fronts
classification
🧮 math.GT
keywords
singularitiescriteriafrontswaveapplicationbehaviorscurvaturescuspidal
read the original abstract
We give useful and simple criteria for determining D_4 singularities of wave fronts. As an application, we investigate behaviors of singular curvatures of cuspidal edges near D_4^+ singularities.
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