$S t^1 imes S s^1$-valued lightcone Gauss map of a Lorentzian surface in semi-Euclidean 4-spaceReport as inadecuate



 $S t^1	imes S s^1$-valued lightcone Gauss map of a Lorentzian surface in semi-Euclidean 4-space


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We define the notions of $S t^1\times S s^1$-valued lightcone Gauss maps, lightcone pedal surface and Lorentzian lightcone height function of Lorentzian surface in semi-Euclidean 4-space and established the relationships between singularities of these objects and geometric invariants of the surface as applications of standard techniques of singular

Author: Donghe Pei; Lingling Kong; Jianguo Sun; Qi Wang

Source: https://archive.org/







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