## Re-Identification of the Many-World Background of Special Relativity as Four-World Background. Part I.

**Authors:** Akindele O. J. Adekugbe

The pair of co-existing symmetrical universes, referred to as our (or positive) universe
and negative universe, isolated and shown to constitute a two-world background for
the special theory of relativity (SR) in previous papers, encompasses another pair of
symmetrical universes, referred to as positive time-universe and negative time-universe.
The Euclidean 3-spaces (in the context of SR) of the positive time-universe and the
negative time-universe constitute the time dimensions of our (or positive) universe and
the negative universe respectively, relative to observers in the Euclidean 3-spaces of our
universe and the negative universe and the Euclidean 3-spaces of or our universe and
the negative universe constitute the time dimensions of the positive time-universe and
the negative time-universe respectively, relative to observers in the Euclidean 3-spaces
of the positive time-universe and the negative time-universe. Thus time is a secondary
concept derived from the concept of space according to this paper. The one-dimensional
particle or object in time dimension to every three-dimensional particle or object in
3-space in our universe is a three-dimensional particle or object in 3-space in the positive
time-universe. Perfect symmetry of natural laws is established among the resulting
four universes and two outstanding issues about the new spacetime/intrinsic spacetime
geometrical representation of Lorentz transformation/intrinsic Lorentz transformation
in the two-world picture, developed in the previous papers, are resolved within the larger
four-world picture in this first part of this paper.

**Comments:** 22 pages. Paper to appear in Progress in Physics, vol.1, 2011, pp. 3-24.

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### Submission history

[v1] 6 Nov 2010

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