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Open AccessArticle

A New Angular Measurement in Minkowski 3-Space

1
Department of Mathematics, Northeastern University, Shenyang 110004, China
2
Department of Mathematics, Kyungpook National University, Daegu 41566, Korea
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Author to whom correspondence should be addressed.
Mathematics 2020, 8(1), 56; https://doi.org/10.3390/math8010056
Received: 20 November 2019 / Revised: 14 December 2019 / Accepted: 16 December 2019 / Published: 2 January 2020
(This article belongs to the Special Issue Differential Geometry: Theory and Applications)
In Lorentz–Minkowski space, the angles between any two non-null vectors have been defined in the sense of the angles in Euclidean space. In this work, the angles relating to lightlike vectors are characterized by the Frenet frame of a pseudo null curve and the angles between any two non-null vectors in Minkowski 3-space. Meanwhile, the explicit measuring methods are demonstrated through several examples. View Full-Text
Keywords: angle; pseudo null curve; lightlike vector; Minkowski space angle; pseudo null curve; lightlike vector; Minkowski space
MDPI and ACS Style

Qian, J.; Tian, X.; Liu, J.; Kim, Y.H. A New Angular Measurement in Minkowski 3-Space. Mathematics 2020, 8, 56.

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