also thinking of making a two-column draft for this to contain just few pages not exceeding four
https://foxtrotpaparomeo.wordpress.com/2022/10/28/21september2022-posted-updates-13-general-relativity-reduced-as-11-gravity-workout-sheets-set-1/

one of the immediate references to spend time with necessarily but only in times after attending to shopwork in electronics
Albert Einstein and the fifth dimension. A new interpretation of the papers published in 1927
https://arxiv.org/abs/1811.03058v2

so what's the status of my supposed upcoming short two-column draft?

(from one of resource materials)
3 Oscar Klein’s Theory
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"What was Klein’s goal? His goal was very ambitious. It was nothing less than a theory of everything... "
https://arxiv.org/abs/hep-th/9411233

yeah, thank you this is also extremely valuable as addition to resource materials
http://www.numdam.org/item/?id=AIHPA_1990__52_2_113_0

yeah reviewing myself on a basic level understanding of conformal compactification, the first thing i learned about it from basic discussions involving blackholes in the context of Schwarzschild solutions (before getting lucky! ;))
https://arxiv.org/abs/gr-qc/9707012