Yıldırım, MehmetÖzkan, Ayşenur2025-01-212025-01-2120242148-1830https://doi.org/10.47000/tjmcs.1397889https://search.trdizin.gov.tr/tr/yayin/detay/1247416https://hdl.handle.net/20.500.12587/23492Suppose that (M, G) be a Riemannian manifold and f: M ? ? be a submersion. Then the vertical lift of f, fv: T M ? ? defined by fv = f ? ? is also a submersion. This interesting case, differently from [10], leads us to investigation of the level hypersurfaces of fv in tangent bundle T M. In this paper we obtained some differential geometric relations between level hypersurfaces of f and fv. In addition, we noticed that, unlike [13], a level hypersurface of fv is always lightlike, i.e., it doesn’t depend on any additional condition. © MatDer.eninfo:eu-repo/semantics/openAccessLevel surfaces; tangent bundle; vertical liftArticle16127228410.47000/tjmcs.13978892-s2.0-85202540770N/A1247416