- X)<0} null or
lightlike if g ( X , X ) = 0 {\displaystyle \,g(X,X)=0}
spacelike if g ( X , X ) > 0 {\displaystyle \,g(X,X)>0} Here we use the ( − , +...
- hyperbolae,
which cross the ct axis, are
spacelike curves because all
intervals along these hyperbolae are
spacelike intervals: No
causality is
possible between...
- is that the
proper distance is
defined between two
spacelike-separated
events (or
along a
spacelike path),
while the
proper time is
defined between two...
- spacetime,
where tangent vectors can be
classified as timelike, null, and
spacelike. In
differential geometry, a
differentiable manifold is a
space that is...
-
event horizon reverses spacelike and
timelike coordinates. The
radius starts to act timelike, and time
starts to act
spacelike. Ni, Wei-Tou, ed. (26 May...
-
spacelike boundary,
unlike the
timelike boundary found on
conventional spacetime diagrams. This is due to the
interchanging of
timelike and
spacelike...
- The
coordinate vector field ∂ u {\displaystyle \partial _{u}} can be
spacelike, null, or
timelike at a
given event in the spacetime,
depending upon the...
- null surfaces. But
marginally trapped surfaces may be
spacelike,
timelike or null. They are
spacelike surfaces (topological spheres, tubes, etc.) with restricted...
- to a path at a
spacetime point) can be
distinguished is
whether it is
spacelike,
lightlike or timelike. The
space of
special relativity (Minkowski space)...
- T^{\mu }{}_{\nu }=T^{\mu \alpha }g_{\alpha \nu }.} This
article uses the
spacelike sign
convention (− + + +) for the
metric signature. The stress–energy...