FLAT IS KEY. “Consequently, our analysis at the classical level is of space properties in flat space-time.”
https://link.springer.com/content/pdf/10.1007/JHEP07(2019)140.pdf
FLAT IS KEY. “Consequently, our analysis at the classical level is of space properties in flat space-time.”
https://link.springer.com/content/pdf/10.1007/JHEP07(2019)140.pdf