Ryvkin, Leonid; Wurzbacher, Tilmann An invitation to multisymplectic geometry. (English) Zbl 1416.53076 J. Geom. Phys. 142, 9-36 (2019). MSC: 53D05 70S05 37C05 53D20 37K05 PDFBibTeX XMLCite \textit{L. Ryvkin} and \textit{T. Wurzbacher}, J. Geom. Phys. 142, 9--36 (2019; Zbl 1416.53076) Full Text: DOI arXiv Backlinks: MO
Matveev, Vladimir S. Pseudo-Riemannian metrics on closed surfaces whose geodesic flows admit nontrivial integrals quadratic in momenta, and proof of the projective Obata conjecture for two-dimensional pseudo-Riemannian metrics. (English) Zbl 1251.37058 J. Math. Soc. Japan 64, No. 1, 107-152 (2012). Reviewer: Willard Miller jun. (Minneapolis) MSC: 37J35 53B30 53A45 53B20 53B50 53C22 53D25 58B20 70E40 70H06 PDFBibTeX XMLCite \textit{V. S. Matveev}, J. Math. Soc. Japan 64, No. 1, 107--152 (2012; Zbl 1251.37058) Full Text: DOI arXiv