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"An Exceptionally Simple Theory of Everything"
This looks like it will be receiving a lot of discussion:
http://preview.tinyurl.com/yq4aq2 [a google search on: "An Exceptionally Simple Theory of Everything"; the results include the arXiv link to the paper.] xanthian. |
#2
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"An Exceptionally Simple Theory of Everything"
On Mon, 26 Nov 07 10:30:30 GMT, Kent Paul Dolan
wrote: This looks like it will be receiving a lot of discussion: http://preview.tinyurl.com/yq4aq2 [a google search on: "An Exceptionally Simple Theory of Everything"; the results include the arXiv link to the paper.] Not included there but also relevant http://uk.youtube.com/watch?v=-xHw9zcCvRQ This is a video of the rotations of E8 based on "input from Garrett Lisi" with a voice over stating which perspectives were quarks, which hadrons, etc. Intriguing but not really informative. also: http://en.wikipedia.org/wiki/E8_(mathematics) , http://en.wikipedia.org/wiki/Lie_algebra , http://en.wikipedia.org/wiki/Differentiable_manifold http://xyz.lanl.gov/find/hep-th/1/au.../0/1/0/all/0/1 The Lisi paper, of course is titled from the name of E8, "In mathematics, E8 is the name given to a family of closely related structures. In particular, it is the name of some exceptional simple Lie algebras as well as that of the associated simple Lie groups." quoted from the Wiki article on E8. Lisi's paper is almost as intelligible as Finnegans Wake. "I employed the sound "quork" for several weeks in 1963 before noticing "quark" in "Finnegans Wake", which I had perused from time to time since it appeared in 1939... The allusion to three quarks seemed perfect"-- Murray Gell-Mann |
#3
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"An Exceptionally Simple Theory of Everything"
In article , Kent Paul
Dolan writes: This looks like it will be receiving a lot of discussion: http://preview.tinyurl.com/yq4aq2 [a google search on: "An Exceptionally Simple Theory of Everything"; the results include the arXiv link to the paper.] xanthian. Readers here might like to check out the corresponding thread on sci.physics.research. Surf's up! |
#4
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"An Exceptionally Simple Theory of Everything"
"Kent Paul Dolan" wrote in message
... This looks like it will be receiving a lot of discussion: http://preview.tinyurl.com/yq4aq2 [a google search on: "An Exceptionally Simple Theory of Everything"; the results include the arXiv link to the paper.] xanthian. Hey Kent Lisi does a nice talk on this topic over on TED.com, you can download the video clip, well worth it, seems like quite a nice character to boot! http://www.ted.com/index.php/talks/g...verything.html Regards~ |
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"An Exceptionally Simple Theory of Everything"
Dogma Discharge wrote:
"Kent Paul Dolan" wrote: This looks like it will be receiving a lot of discussion: http://preview.tinyurl.com/yq4aq2 [a google search on: "An Exceptionally Simple Theory of Everything"; the results include the arXiv link to the paper.] Lisi does a nice talk on this topic over on TED.com, you can download the video clip, well worth it, seems like quite a nice character to boot! http://www.ted.com/index.php/talks/g...verything.html Trying to describe in mere English what something _is_, as Lisi tries to do toward the end of that clip, falls into a set of problems so incredibly difficult that US President Bill Clinton, on trial for bringing discredit onto the office of president, famously challenged "that depends on what the definition of 'is' is". The only thing that really "works" in this case to convey what an electron "is", is the mathematics of the description. I'm no more competent to understand Lisi's math than before, but Lisi's theory does have the advantage of being beautiful, and conveyably so, a characteristic of many of the most successful theories about nature ever discovered. He certainly made that much abundantly clear. One can only wish him continued success, and somewhere a limit to how many dimensions he must add to his theory before it is complete. One can only hope that at that limit, out of his theory will drop not only an explanation of what the electron "is", and why, but of what the big bang was, and why, and of what the fate of our universe is, and why. This work by Lisi must(?) in some way also interact with the newly bruited perception of our universe as equivalent to a hologram projected from a lesser dimensional surface. While that concept seems to diminish our importance, humans have been becoming ever less the center of the universe as science marches along anyway. That elementary particles, at the level at which Lisi works, those of which we ourselves are comprised for example, are only crude, grainy approximations, ones that make hyper-sensitive meters, meant to detect gravity waves emitted from distant interactions of super-massive bodies, experience "jitter", just removes us a bit further from being "at the center of things". That we might have our existence only on a projection "surface", with the more accurate reality existing only on some "film" at the most distant removes, continues that trend. Oh, well, in that scenario, at least we all get to be movie stars. Thanks for the link! xanthian |
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