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gr-qc1999
Test compatible metrics and 2-branes
Yakov Itin
We propose a sufficient condition for a general spherical symmetric static metric to be compatible with classical tests of gravity. A 1-parametric class of such metrics are constru…
gr-qc1999
Equation of motion in a scalar model of gravity
Shmuel Kaniel, Yakov Itin
A scalar model of gravity is considered. We propose Lorentz invariant field equation . The aim of this model is to get, approximately, Newton's law…
gr-qc1999
On variations in teleparallelism theories
Yakov Itin
The variation procedure on a teleparallel manifold is studied. The main problem is the non-commutativity of the variation with the Hodge dual map. We establish certain useful formu…