Singularities of Focal Surfaces of Null Cartan Curves in Minkowski 3‐Space | Zendy

Zhigang Wang | Zendy; Donghe Pei | Zendy; Liang Chen | Zendy; Lingling Kong | Zendy; Qixing Han | Zendy

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Singularities of Focal Surfaces of Null Cartan Curves in Minkowski 3‐Space

Author(s) -

Zhigang Wang,

Donghe Pei,

Liang Chen,

Lingling Kong,

Qixing Han

Publication year - 2012

Publication title -

abstract and applied analysis

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.228

H-Index - 56

eISSN - 1687-0409

pISSN - 1085-3375

DOI - 10.1155/2012/823809

Subject(s) - mathematics , minkowski space , gravitational singularity

Singularities of the focal surfaces and the binormal indicatrix associated with a null Cartan curve will be investigated in Minkowski 3-space. The relationships will be revealed between singularities of the above two subjects and differential geometric invariants of null Cartan curves; these invariants are deeply related to the order of contact of null Cartan curves with tangential planar bundle of lightcone. Finally, we give an example to illustrate our findings

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