"The importance of ""gwistor space"" is being recognized today. The Researcher R. Albuquerque has discovered a natural G2 structure existing on the unit tangent sphere bundle of any given oriented Riemannian 4-manifold M. It was a major breakthrough in the theory of G2 manifolds and special structures.That discovery has been appreciated by many great mathematicians. Firstly referred to as the ""G2 ...