Massamba, Fortuné.Mavambou, Ange Maloko.2020-02-132020-02-1320172017https://researchspace.ukzn.ac.za/handle/10413/16915Doctoral Degree. University of KwaZulu-Natal, Pietermaritzburg.Abstract available in pdf.enSemi-Riemannian manifold.Cosymplectic manifold.Bundle-like foliation.Newton transformation.Lagrange space.On the geometry of locally conformal almost cosymplectic manifolds and 2-order Lagrange space.Thesis