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Principal curvatures and parallel surfaces of wave fronts

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 Added by Keisuke Teramoto
 Publication date 2016
  fields
and research's language is English




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We give criteria for which a principal curvature becomes a bounded $C^infty$-function at non-degenerate singular points of wave fronts by using geometric invariants. As applications, we study singularities of parallel surfaces and extended distance squared functions of wave fronts. Moreover, we relate these singularities to some geometric invariants of fronts.

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