Note on (conformally) semi-symmetric spacetimes
Ingemar Eriksson, Jos\'e M. M. Senovilla
TL;DR
This paper proves that conformally semi-symmetric spacetimes are inherently semi-symmetric and offers a detailed classification of semi-symmetric spacetimes.
Contribution
It provides a straightforward proof linking conformally semi-symmetric and semi-symmetric spacetimes and delivers a comprehensive classification of the latter.
Findings
Conformally semi-symmetric spacetimes are semi-symmetric.
A complete refined classification of semi-symmetric spacetimes.
Simplified proof method for the relation between conformally semi-symmetric and semi-symmetric spacetimes.
Abstract
We provide a simple proof that conformally semi-symmetric spacetimes are actually semi-symmetric. We also present a complete refined classification of the semi-symmetric spacetimes.
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