DEFINITION. “A generic black hole is a region of spacetime enclosed in an event horizon (one-way membrane), which is a null hypersurface generated by a congruence of null geodesics characterized locally by a (real) convergence p and shear o.”
https://lnkd.in/dAr7QTt
linkedin post 2022-06-29 05:12:48
Nigel Fleming
September 21, 2022