Re: Actions, Amplitudes, and the geometry of it all

Posted by Mike2 on October 10, 2003 at 06:29:30:

In Reply to: Re: Actions, Amplitudes, and the geometry of it all posted by Mike2 on October 04, 2003 at 20:20:31:

OK, that was a stupid question. Weyl invariance leaves the action integral unchanged, right?

I suppose that if Weyl (conformal?) invariance is a transformation on the entire surface of the world-sheet, then that doesn't necessarily mean that it is invariant with time. So it may not be fair to ask what is conserved.

What about the symmetry group for the Weyl transformation?

Thanks again for your help, Dick.
You are the main person with the most help around here for me.

Mike.

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