Cosmological aspects of the Eisenhart–Duval lift M. Cariglia, A. Galajinsky, G. W. Gibbons and P. A. Horvathy Eur. Phys. J. C, 78 4 (2018) 314 Published online: 19 April 2018 DOI: 10.1140/epjc/s10052-018-5789-x