Prof. Ferdinand Ngakeu is Lecturer at the Mathematics and computer science Department at the University of Douala Cameroon. He completed his PhD in Non-commutative Geometry at The University of Calavi, Benin and Catholic University of Louvain-La-Neuve, Belgium. Areas of Expertise: Non-commutative geometry; Geometry of Locally flat manifolds; KV-cohomology; Geometry of Null sub-Manifolds in semi-Riemannian Manifolds.