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specialty journal of architecture and construction
Volume 1, 2015, Issue 1
Retraction of null helix in Minkowski 3-space
A. E. El- Ahmady
Pages: 8-13

Abstract

ABSTRACT: Our aim in the present article is to introduce and study new types of retraction of null helix in Minkowski 3-space.Types of the deformation retracts of the null helix in Minkowski 3-space is presented. The relations between the retraction and the deformation retract of null helix are deduced. Types of minimal retraction of null helix in Minkowski 3-space are also presented. New types of homotopy maps are described.





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specialty journal of architecture and construction
Issue 4, Volume 5, 2019