Conformal Mappings in Relativistic Astrophysics

Table 1

(1) 𝜓=0	𝐗 is a Killing vector
(2) 𝜓;𝑎=0≠𝜓	𝐗 is a homothetic Killing vector
(3) 𝜓;𝑎𝑏=0≠𝜓;𝑎	𝐗 is a special conformal Killing vector
(4) 𝜓;𝑎𝑏≠0	𝐗 is a nonspecial conformal Killing vector