“THE INVERSE of what relative geometry a sharp edge causes is when the trivial reference frame is valid across an aperture.”
https://link.springer.com/content/pdf/10.1007/JHEP07(2019)140.pdf
“THE INVERSE of what relative geometry a sharp edge causes is when the trivial reference frame is valid across an aperture.”
https://link.springer.com/content/pdf/10.1007/JHEP07(2019)140.pdf