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Are the equations of relativity closed 
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#1
Sep2403, 06:17 AM

P: 215

Are the equations of relativity "closed" i mean if we can add an extra term of 0 covariant derivative to them without alter thes olution i mean if we have the equations
Gab=Tab , will the equations Gab+Uab=Tab with DUab=0 (covariant derivative) can both equation provide the same geometrical interpretation of gravity?... 


#2
Sep2403, 04:31 PM

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Sci Advisor
PF Gold
P: 16,091

The cosmological constant is essentially just that.



#3
Sep2703, 04:37 PM

P: n/a

".., will the equations (..) can both provide the same geometrical interpretation of gravity." I don't know what this means. They clearly have different solutions. Pmb 


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