Homothetic motions with null homothetic bivectors in general relativity |
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| Authors: | McIntosh C B G |
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| Institution: | (1) Mathematics Department, Monash University, 3168 Clayton, Victoria, Australia |
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| Abstract: | It is shown that if a nonflat vacuum space-time admits a homothetic vector field with a null homothetic bivector then that space-time is algebraically special. If that homothetic vector field is a nontrivial one (not a Killing one) then the space-time is Petrov type III orN. |
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