Variational and conservative principles in Rosen's theory of gravitation.
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Dobrescu, I., Ionescu-Pallas, N. (1999)
Balkan Journal of Geometry and its Applications (BJGA)
G.S. Asanov (1982)
Aequationes mathematicae
A. Fernández, P. L. García (1999)
Extracta Mathematicae
A basic question in General Relativity from the point of view of the general field theory is to obtain the Einstein equations coupled with the stress-energy-momentum tensor of a dissipative fluid from a variational principle. We believe that this problem, whose solution for perfect fluids is well known, has not been faced in a systematic way, maybe by the thought of a possible nonsense, for the concept of dissipation is believed to be incompatible with the essentially conservative character of the...
Uzan, Jean-Philippe (2011)
Living Reviews in Relativity [electronic only]
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