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PostSubject: An Exceptionally Simple Theory of Everything   Sat Sep 05, 2009 3:30 am

Antony Garrett Lisi is an American-born theoretical physicist . Lisi has a Ph.D. in physics, but has worked as an independent researcher rather than holding an academic position


Exceptionally Simple Theory of Everything.

Developed over ten years, this work culminated in the posting of a preprint of the same name to the physics arXiv on November 6, 2007. Lisi describes how gravity, the standard model bosons, and three generations of fermions can be unified as parts of an E8 superconnection. This unified field theory attempts to describe all fundamental interactions that physicists have observed in nature, and stands as a possible theory of everything, unifying Albert Einstein's general relativity with the standard model of particle physics.

In response to the question of why the Universe should be controlled by Wilhelm Killing's E8 structure, Lisi responded:
I think the universe is pure geometry - basically, a beautiful shape twisting and dancing over space-time. Since E8 is perhaps the most beautiful structure in mathematics, it is very satisfying that nature appears to have chosen this geometry.

Lisi's theory has been applauded but also sharply criticized in the scientific community, with some favorable and unfavorable views falling along the partisan lines of the detractors and proponents of string theory.

Lisi's theory cast him into center stage in the debate over the merits of string theory — the competing and dominant contender for a theory of everything.

http://arxiv.org/PS_cache/arxiv/pdf/0711/0711.0770v1.pdf



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PostSubject: Re: An Exceptionally Simple Theory of Everything   Tue Sep 15, 2009 1:29 am

Garrett Lisi: A beautiful new theory of everything


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