Cosmic Analogues of Classic Variational Problems
Several classic one-dimensional problems of variational calculus originating in non-relativistic particle mechanics have solutions that are analogues of spatially homogeneous and isotropic universes. They are ruled by an equation which is formally a Friedmann equation for a suitable cosmic fluid. Th...
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| Natura: | Artigo |
| Lingua: | Inglês |
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MDPI AG
2020-05-01
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| Serie: | Universe |
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| Accesso online: | https://www.mdpi.com/2218-1997/6/6/71 |
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