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66. Some interesting talks worth watching

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Steve Carlip talks about topologically massive gravity at Perimeter, namely, about 3d topologically massive gravity in AdS and finds that it is unstable (even for chiral values Strominger mentioned at Strings 08).

Apart from this (most interesting from my point of view) talk – CITA/Perimeter joint workshop took place on Oct 23, and the presentations are in the net.

Niayesh Afshordi has found an observational evidence for massive gravity (with Justin Khoury, of course) :-) He is talking about CBI excess at small scales, Lyman-alpha excess at z\sim 3, kinetic SZ measurements from ROSAT clusters (Kashinsky et al., 08) and absence of CMB autocorrelation at beyond 60 degrees.

Andreas Albrecht explains what future dark energy experiments will give us new,  his talk is based on Dark Energy Task Force Report. The answer is we will be able to discriminate between different DE models.

Andrew Talley modifies gravity and makes it cascading, the goal is to get degravitation at large scales, i.e., to solve the cosmological constant problem.

By the way, is anybody by a chance aware how to embed videos from PIRSA to the WordPress blog?

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2 Comments »

Comment by Sam Subscribed to comments via email
2008-10-28 15:53:08

Dmitry

I think it is generally impossible unless you steal their video and copy it to youtube.

cheers

 
Comment by Dmitry
2008-10-31 22:34:21

Hi Sam

Yes, that’s my impression as well.

Cheers,
Dmirty.

 
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