A new approach to the study of spacelike submanifolds in a spherical Friedmann–Lemaître–Robertson–Walker spacetime: characterization of the stationary spacelike submanifolds as an application Ferreira, D. Lima, E. A. Palomo, F. J. Romero Sarabia, Alfonso Mean curvature Spacelike submanifolds Robertson–Walker spacetime Lorentz–Minkowski spacetime Isometric embedding The first author was partially supported by CAPES, Brazil. The second authors was partially supported by CNPq, Brazil, PQ-2 Grant 309668/2021-2. The third author was partially supported by Spanish MICINN Project PID2020-118452GB-I00. The fourth named author was partially supported by the Spanish MICINN and ERDF Project PID2020-116126GB-I00. The third and the fourth authors by the Andalusian and ERDF Project A-FQM-494-UGR18. Research partially supported by the ‘María de Maeztu’ Excellence Unit IMAG, reference CEX2020-001105-M, funded by MCIN-AEI-10.13039-501100011033. 2023-06-26T07:58:51Z 2023-06-26T07:58:51Z 2023-05-24 journal article D Ferreira et al 2023 J. Phys. A: Math. Theor. 56 245202 [DOI 10.1088/1751-8121/acd502] https://hdl.handle.net/10481/82789 10.1088/1751-8121/acd502 eng http://creativecommons.org/licenses/by/4.0/ open access Creative Commons Attribution-NonCommercial-NoDerivs 3.0 License Atribución 4.0 Internacional Institute of Physics