Department of Physics2024-11-0920061300-01012-s2.0-33751338749https://hdl.handle.net/20.500.14288/421Newton-Cartan manifolds and the Galilei group are defined by the use of co-rank one degenerate metric tensor. Newton-Cartan connection is lifted to the degenerate spinor bundle over a Newton Cartan 4-manifold by the aid of degenerate spin group. Levy-Leblond equation is constructed with the lifted connection.pdfPhysicsMathematicsJournal ArticleN/ANOIR01035