Physics & Spacepreprint2026-09-06

Cosmological Special Theory of Relativity:A Consolidated Formulation with Equal-Time Locality

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Abstract

We give a consolidated formulation of the Cosmological Special Theory of Relativity(CSTR), which extends the Lorentz transformation to incorporate the Robertson-Walker(RW) scale factor a(t_0) evaluated at the cosmological time t_0 of the observer.

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View paper (DOI)Open access versionOpenAlexZenodo (CERN European Organization for Nuclear Research)Published 2026-09-06

Authors: Sangwha Yi

Institutions: Daejeon University