weyl curvature

From: mark jonathan horn (mark_horn_at_sbcglobal.net)
Date: 11/16/04 

Date: Tue, 16 Nov 2004 08:17:50 +0000 (UTC)

15-NOV-2004

How does one define the dependent components of the Weyl tensor?
Or, in case that isn't meaningful, let me ask:

if the number of independent components of WEYL vanish, what does one
say of the tensor? Has it too effectively vanished?

I'm grateful for any clarification;

cheers,
mark jonathan horn