Why does Stephen Hawking omit all mention Loop Gravity?

[atyy]

In fact, Marcus just post a tiny part of what is posted about Horava gravity. I guess this article is not there, so, here it goes:

http://arxiv.org/abs/0905.3563 and its citations.

This one is more recent, from the same author, and make a nice job of reinterpreting Horava Gravity bugs as nice features:

http://arxiv.org/abs/0906.5069

If you want some heavy criticism, this one is the best, uploaded last week:

http://arxiv.org/abs/0907.1636

It hits the theory at its most fundamental base, that is, about the existence of a fixed point. But these authors make a constructive criticism, since they point out possible solutions to solve them. I personaly think that the nature of said solutions will lead to a convergence to the assymtotic safety situation similar to that of einstein quantum gravity.

Thanks! Also for pointing out the latest Wen paper on Marcus's thread! He'd indicated the results at the end of this talk http://pirsa.org/08110003/, so I was hoping for the details to be out soon.

 

[Sauron]

Hum, I have seen that you repeatelysay "SUSY/SUGRA is not renormalizable".

I am not sure why civilzed or others didn't mention it, but nowadays the general belief is that SUGRA (D=4, N=8 at least) is very probably renormalizable: See for example: http://arxiv.org/abs/0903.4630