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Gaset, Jordi; Román-Roy, Narciso Multisymplectic unified formalism for Einstein-Hilbert gravity. (English) Zbl 1387.83006 J. Math. Phys. 59, No. 3, 032502, 39 p. (2018). MSC: 83C05 53D05 70S05 70S15 70H45 PDFBibTeX XMLCite \textit{J. Gaset} and \textit{N. Román-Roy}, J. Math. Phys. 59, No. 3, 032502, 39 p. (2018; Zbl 1387.83006) Full Text: DOI arXiv
Rosado María, E.; Muñoz Masqué, J. Second-order Lagrangians admitting a first-order Hamiltonian formalism. (English) Zbl 1387.58022 Ann. Mat. Pura Appl. (4) 197, No. 2, 357-397 (2018). MSC: 58E30 58A20 83C05 PDFBibTeX XMLCite \textit{E. Rosado María} and \textit{J. Muñoz Masqué}, Ann. Mat. Pura Appl. (4) 197, No. 2, 357--397 (2018; Zbl 1387.58022) Full Text: DOI arXiv Link