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- Fermat’s_and_energy_variation_principles_in_field_theory abstract "In general relativity the light is assumed to propagate in the vacuum along null geodesic in a pseudo-Riemannian manifold. Besides the geodesics principle in field theory there exists the Fermat's principle for stationary gravity fields. Belayev has proposed variational method without the violation of isotropy of the path of the lightlike particle, giving equations identical to those that follow from Fermat's principle. In this method the action principle leads to condition of zero variational derivative of the integral of energy, and it is applied also to non-stationary gravity fields.".
- Fermat’s_and_energy_variation_principles_in_field_theory wikiPageID "39374174".
- Fermat’s_and_energy_variation_principles_in_field_theory wikiPageRevisionID "598895631".
- Fermat’s_and_energy_variation_principles_in_field_theory subject Category:Theories_of_gravitation.
- Fermat’s_and_energy_variation_principles_in_field_theory subject Category:Variational_principles.
- Fermat’s_and_energy_variation_principles_in_field_theory comment "In general relativity the light is assumed to propagate in the vacuum along null geodesic in a pseudo-Riemannian manifold. Besides the geodesics principle in field theory there exists the Fermat's principle for stationary gravity fields. Belayev has proposed variational method without the violation of isotropy of the path of the lightlike particle, giving equations identical to those that follow from Fermat's principle.".
- Fermat’s_and_energy_variation_principles_in_field_theory label "Fermat’s and energy variation principles in field theory".
- Fermat’s_and_energy_variation_principles_in_field_theory sameAs Fermat%E2%80%99s_and_energy_variation_principles_in_field_theory.
- Fermat’s_and_energy_variation_principles_in_field_theory sameAs Q17086134.
- Fermat’s_and_energy_variation_principles_in_field_theory sameAs Q17086134.
- Fermat’s_and_energy_variation_principles_in_field_theory wasDerivedFrom Fermat’s_and_energy_variation_principles_in_field_theory?oldid=598895631.