Singularities of Slant Focal Surfaces along Lightlike Locus on Mixed Type Surfaces
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DOI: 10.3390/sym14061203
Abstract: There are generally the mixed type surfaces with lightlike locus in the Lorentz-Minkowski 3-space. To investigate the geometry of lightlike locus, we define slant focal surfaces and slant evolutes associated to the oringinal mixed type… read more here.
Keywords: mixed type; focal surfaces; locus; slant focal ... See more keywords