— Lee et al. recently published the paper “Vector field microscopic imaging of light” showing intriguing maps of vectors on the nanoscale 1. It claims the first experimental mapping of ...

In the article fine resolution of the sheaf of germs of complex projective vector fields on a locally projective complex manifold M⁴ of complex dimension n = 2 is given. The local coordinate charts on ...

Hans Samelson, Note on Vector Fields in Manifolds, Proceedings of the American Mathematical Society, Vol. 36, No. 1 (Nov., 1972), pp. 272-274 ...