Additive inverse (0, 0) is special. Everything with a worldline defines its own origin, the place for that object to collect information about the rest of the Universe.
now = center of events with time reflections.
here = center of events with space reflections.
Time reflection of 5 events.
Space reflection of 5 events.
A time mirror is distinct from a space mirror for a dynamic representation of complex numbers.
Time reflection: events go out like they came in.
Space reflection: pairs of equidistant events.
sweetser@alum.mit.edu copyright 2003, all rights reserved.
