infinitesimal Conformal Transformation

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AF

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May 18, 2015, 10:18:21 AM5/18/15
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 Dear Friends,

Is there any possibility in xAct's packages to make an infinitesimal conformal transformation? For example to see how "Ricci Scalar" transforms under the following transformation?

g[-a,-b] ->  g[-a,-b] + \epsilon*g[-a,-b]

 Best Regards,
 AF
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