not complexity, but
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I have not seen this mentioned on the list yet, but some on this list
might find it interesting: The Shape of Inner Space: String Theory and the Geometry of the Universe's Hidden Dimensions, by Shing-Tung Yau and Steve Nadis Yau has been at the center of string theory development. Joe S -- "Sunlight is the best disinfectant." -- Supreme Court Justice Louis D. Brandeis, 1913. ============================================================ FRIAM Applied Complexity Group listserv Meets Fridays 9a-11:30 at cafe at St. John's College lectures, archives, unsubscribe, maps at http://www.friam.org |
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I'll be interested to see the final media estimates of the rally in DC
today. CBS estimated that Glenn Beck had 87,000. I have photographs montages
from today that I estimate to have more than that, and I'm sure I couldn't see
half the crowd.
Given the lack of aerial photographs, and the continuous influx and outflux of people, it must be very difficult to make a solid estimate.... hey wait, maybe this is complexity problem after all. What is the simplest data we could gather to make an estimate? Some combination of photographs and counts of people passing specific points? Hmmmm.... Eric ============================================================ FRIAM Applied Complexity Group listserv Meets Fridays 9a-11:30 at cafe at St. John's College lectures, archives, unsubscribe, maps at http://www.friam.org |
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In reply to this post by Joe Spinden
This does look interesting, especially after reading Smolin's book The Trouble with Physics.
I bet I like them both, even though many (wrongly) consider Smolin's book anti-string. Its more pro-physics (at least as practiced through the 1970s). Did you read it (Yau, not Smolin)? Yau won the Fields medal, always a good recommendation. -- Owen On Oct 30, 2010, at 9:29 AM, joseph spinden wrote: > I have not seen this mentioned on the list yet, but some on this list might find it interesting: > > The Shape of Inner Space: String Theory and the Geometry of the Universe's Hidden Dimensions, by Shing-Tung Yau and Steve Nadis > > Yau has been at the center of string theory development. > > Joe S > > > > -- > > "Sunlight is the best disinfectant." > > -- Supreme Court Justice Louis D. Brandeis, 1913. > > > ============================================================ > FRIAM Applied Complexity Group listserv > Meets Fridays 9a-11:30 at cafe at St. John's College > lectures, archives, unsubscribe, maps at http://www.friam.org ============================================================ FRIAM Applied Complexity Group listserv Meets Fridays 9a-11:30 at cafe at St. John's College lectures, archives, unsubscribe, maps at http://www.friam.org |
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Sorry for the spam, but I found that "the other anti-string" book's author (Not Even Wrong, Peter Woit) has a positive review of the book:
http://www.math.columbia.edu/~woit/wordpress/?p=3165 I believe this, in part, is due to the need for sophisticated geometric mathematics in non-string theories like loop quantum gravity. Interesting to note: of the 19 reviews on Amazon, all 19 are 5-stars! Has anyone here read it and have an opinion or insight? -- Owen On Oct 30, 2010, at 8:45 PM, Owen Densmore wrote: > This does look interesting, especially after reading Smolin's book The Trouble with Physics. > > I bet I like them both, even though many (wrongly) consider Smolin's book anti-string. Its more pro-physics (at least as practiced through the 1970s). > > Did you read it (Yau, not Smolin)? Yau won the Fields medal, always a good recommendation. > > -- Owen > > > On Oct 30, 2010, at 9:29 AM, joseph spinden wrote: > >> I have not seen this mentioned on the list yet, but some on this list might find it interesting: >> >> The Shape of Inner Space: String Theory and the Geometry of the Universe's Hidden Dimensions, by Shing-Tung Yau and Steve Nadis >> >> Yau has been at the center of string theory development. >> >> Joe S >> >> >> >> -- >> >> "Sunlight is the best disinfectant." >> >> -- Supreme Court Justice Louis D. Brandeis, 1913. >> >> >> ============================================================ >> FRIAM Applied Complexity Group listserv >> Meets Fridays 9a-11:30 at cafe at St. John's College >> lectures, archives, unsubscribe, maps at http://www.friam.org > > > ============================================================ > FRIAM Applied Complexity Group listserv > Meets Fridays 9a-11:30 at cafe at St. John's College > lectures, archives, unsubscribe, maps at http://www.friam.org ============================================================ FRIAM Applied Complexity Group listserv Meets Fridays 9a-11:30 at cafe at St. John's College lectures, archives, unsubscribe, maps at http://www.friam.org |
Re: Also not complexity, but
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In reply to this post by Eric Charles
Hi Eric,
There is a technology that can stitch enormous image files (out of Carnegie –Mellon ) Gigapan if I recall. Fast scanning could probably count individuals if the photos are Set up properly. I recall they scanned and stitched a huge audience for Obama’s inauguration ceremony. It may be possible for the system to work for images taken with all the cellphones. Multiple sources might do what aerial photos used to perform.
With time stamps on photos it should in principal be doable. I have seen 360 degree panoramas in the past that were composites or stitched.
Back to the topic however do you have links to the string theory authors.?
Vladimyr Ivan Burachynsky Ph.D.(Civil Eng.), M.Sc.(Mech.Eng.), M.Sc.(Biology)
120-1053 Beaverhill Blvd. Winnipeg, Manitoba CANADA R2J 3R2 (204) 2548321 Phone/Fax
-----Original Message-----
I'll be interested to see
the final media estimates of the rally in DC today. CBS estimated that Glenn
Beck had 87,000. I have photographs montages from today that I estimate to have
more than that, and I'm sure I couldn't see half the crowd. ============================================================ FRIAM Applied Complexity Group listserv Meets Fridays 9a-11:30 at cafe at St. John's College lectures, archives, unsubscribe, maps at http://www.friam.org |
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In reply to this post by Owen Densmore
Owen -
Haven't read . . . but in an effort to understand "why string (or something?) theory?" I've been doing some background reading on "what the issues are" . . . (e.g., what actually makes up the Standard Model, that needs "updating"). Recent lunch reading for me has been this article (from a recent issue of the Bulletin of the the American Mathematical Society): One of the authors is John Baez (UC Riverside), whose article on Physics, Topology and Logic (sometimes called the "Rosetta Stone" paper) has been referenced on Friam in the past: Warning: the "Algebra of Grand Unified Theories" article is a mathematicians' attempt at (a simplified version of) the Standard Model, and hence the math is somewhat rigorous :-) (see sample sentences below . . .) The introduction does give a reasonably readable "lay of the land," putting various of the issues in context . . . tom Note that this is an element of su(2) divided by i. So, it lies in sl(2,C), the complexified adjoint representation of SU(2). In fact it equals W 0, one of the gauge bosons. So, up to a constant of proportionality, the observable Iˆ is one of the gauge bosons! Similarly, corresponding to hypercharge Y is an observable Yˆ. This is also, up to proportionality, a gauge boson, though this gauge boson lives in the complexified adjoint representation of U(1). Here are the details . . . On Oct 30, 2010, at 8:01 PM, Owen Densmore wrote:
============================================================ FRIAM Applied Complexity Group listserv Meets Fridays 9a-11:30 at cafe at St. John's College lectures, archives, unsubscribe, maps at http://www.friam.org |
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