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## Main Question or Discussion Point

Could it be calculated that way?..for example take a gravitational classic wave DHab=0, then by proposing a plane wave solution like that

Hab=AabExp(KaXb) being Aab a tensor we would have the constraint..

AabKaXb=0 or expressed in momentum..AabPaPb=0 (1) so i think it would by proposing a 2-spin wave equation with constraint (1)..why is that false?.i do not know.

Hab=AabExp(KaXb) being Aab a tensor we would have the constraint..

AabKaXb=0 or expressed in momentum..AabPaPb=0 (1) so i think it would by proposing a 2-spin wave equation with constraint (1)..why is that false?.i do not know.