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specialty journal of architecture and construction
Volume 1, 2015, Issue 1
The deformation retract of time like helix in Minkowski 3-space
A .E .El- Ahmady
Pages: 14-20

Abstract

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