Authors: John A. Gowan
In 1997 the Argentinean physicist Juan Maldacena produced a mathematically rigorous model of a hypothetical 5-dimensional Universe which conforms to certain principles of the holographic metaphor. In Maldacena's model a 4-D Universe (3 space, 1 time) is the boundary membrane of the 5-D "bulk" Universe (4 space, 1 time). The physics in the two Universes are virtually indistinguishable, except that the 4-D Universe lacks gravity while the 5-D Universe is gravitational. Maldacena's model seems to fit my own "Spacetime Map of the Universe", which I have consequently come to interpret as a map of a 5-dimensional Cosmos, incorporating 4 large spatial dimensions and 1 time dimension.
Comments: 6 pages, This paper has also been published as a Google "Knol".
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