--- In rtrfans@yahoogroups.com, "automathman" <mchase133125MI@...> wrote:
>
> In the recent scientific american, there is a feature about alain
> connes, the "creator" and head proponent of non-communtitive geometry.

<snip a bunch of GOOD COMMENTS>

Thanks for the heads up on NGC in Scientific American!!!

> From NCG, Connes has made the Prediction of the higgs particle and its
> mass, which is testable with current tech (Large Hadron Collider) -
> unlike M-theory or LQG
> (length scales of 10^-16 instead of 10^-33)
>
> because of it's gemetrical nature, and its derivation from QM, NCG can
> be (yet another) starting point to link QM and gravity.
>
> I tracked down what I could on the web, many of the key papers at
> Connes site cannot be downloaded.
>
> ...but this stuff is the hardest thing I've ever tried to read.
> I thought loop quantum gravity, and even QFT was hard.
>
> oh well, guess this'll have to wait until Connes writes "his RTR"?

Or it gets big and Brian Greene or someone makes a PBS special <grin>.

Wikipedia: Noncommutative geometry
http://en.wikipedia.org/wiki/Non-commutative_geometry

Alain Connes
http://en.wikipedia.org/wiki/Alain_Connes

Noncommutative Quantum Field Theory
http://en.wikipedia.org/wiki/Noncommutative_quantum_field_theory
...on ArXiv:
http://xstructure.inr.ac.ru/x-bin/theme2.py?arxiv=hep-th&level=1&index1=4157699

Connes' book downsloads for me:
Noncommutative geometry [PDF] 4.1 MB
ftp://ftp.alainconnes.org/book94bigpdf.pdf

Connes' A Walk In The Noncommutative Garden (sounds intriguing):
ftp://ftp.alainconnes.org/pardis.pdf

Gravity coupled with matter and the foundation of non-commutative geometry
ftp://ftp.alainconnes.org/foundation96.pdf

Universal formula for noncommutative geometry actions: unification of
gravity and the standard model [PDF] 113 KB [PS] 102 KB
With Ali H. Chamseddine

Notice these are FTP links and if you have a crappy web browser or
firewall filters in place this might be stopping your downloads.
(wget or similar tools are worth getting to know -- wget is available
for Windows and I gave links to the UnxTools in one of my previous
posts -- Unix/Linux comes with such command line tools.)

Here is the link I used in case you were elsewhere:
http://www.alainconnes.org/downloads.html

For everybody else, there are tons of papers there with INTRIGUING
TITLES, like 'A Short Survey of Noncommutative Geometry' and
'Noncommutative Geometry and the Riemann zeta function'.

Down near the bottom is also a 9 lecture series on "Renormalisation"
and the survey paper "Noncommutative geometry and physics".

Did anyone besides me become curious that Penrose spent so much time
discussing the Riemann Zeta function without ever seeming to USE the
material to develop the Physics?

There are quite a few similar topics in RTR that Penrose didn't seem
to use much later, but as I study deeper material they tend to pop
back up and now seem like (somewhat) familiar friends....


Enjoy and let me know if you cannot download something.

--
Herb