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      On derivation of an invariant velocity and the Lorentz transformation using the principle of relativity

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      ScienceOpen Preprints
      Lorentz transformation, Linear transformation, Invariant velocity, Principle of relativity, Constancy of the speed of light

            Revision notes

            Added the condition for dk2/du'=0 when m is a function of u' in the preprint.


            Although traditional derivations of the Lorentz transformation rely on both postulates of relativity and constancy of the speed of light, some researchers have argued that linear transformations per se would naturally lead to a Lorentz type transformation with an unspecified velocity limit. The present study analyzes such a published derivation and shows that linear transformations do not naturally lead to invariant velocities. In the derivation analyzed by this study, in addition to its mathematic mistakes, its author’s interpretation of the derived results is also logically invalid. Its author and some researchers overlooked other consequences than the ones that appear to imply an invariant velocity or a velocity limit, when they were deriving parameters for linear transformations. Therefore, imposing at least two postulates is necessary for deriving the Lorentz transformation or its family of linear transformations. Linear transformations conforming to the principle of relativity alone are not sufficient to ensure a velocity limit or an invariant velocity.


            Author and article information

            ScienceOpen Preprints
            1 September 2022
            [1 ] Department of Finance, Accounting and Economics, Nottingham University Business School China, University of Nottingham Ningbo China
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            This work has been published open access under Creative Commons Attribution License CC BY 4.0 , which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. Conditions, terms of use and publishing policy can be found at www.scienceopen.com .

            : 23 August 2022

            Data sharing not applicable to this article as no datasets were generated or analysed during the current study.
            Lorentz transformation,Linear transformation,Invariant velocity,Principle of relativity,Constancy of the speed of light


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