12 citations · 35 across the 24 of their papers we have counts for
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gr-qc1999★ 1 cited
A Modified Variational Principle in Relativistic Hydrodynamics. I.Commutativity and Noncommutativity of the Variation Operator with the Partial Derivative
B. G. Dimitrov
A model is proposed, according to which the metric tensor field in the standard gravitational Lagrangian is decomposed into a projection (generally - with a non-zero covariant deri…
gr-qc1999
A Modified Variational Principle in Relativistic Hydrodynamics. II. Variations of the vector field and the projection tensor in the general case and under definite assumptions
B. G. Dimitrov
The purpose of the paper is to develop further a projection variational approach in relativistic hydrodynamics. The approach, previously proposed in [gr-qc/9908032], is based on th…
hep-th1999★ 4 cited
Null Strings and Membranes in Demianski-Newman Background
P. Bozhilov, B. Dimitrov
We consider null bosonic p-branes moving in curved space-times. Some exact solutions of the classical equations of motion and of the constraints for the null string and the null me…