- 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 ( − , +...
- 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...
- hyperbolae,
which cross the ct axis, are
spacelike curves because all
intervals along these hyperbolae are
spacelike intervals: No
causality is
possible between...
-
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...
-
development of an
initial data set (M, g, k) if
there is a (necessarily
spacelike)
hypersurface embedding of M into M,
together with a
continuous unit normal...
-
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...
- system. In
special relativity, a faster-than-light
particle would have
spacelike four-momentum,
unlike ordinary particles that have time-like four-momentum...
