Geodesic Webs on a Two-Dimensional Manifold and Euler Equations
Differential Geometry
2008-10-31 v1
Abstract
We prove that any planar 4-web defines a unique projective structure in the plane in such a way that the leaves of the foliations are geodesics of this projective structure. We also find conditions for the projective structure mentioned above to contain an affine symmetric connection, and conditions for a planar 4-web to be equivalent to a geodesic 4-web on an affine symmetric surface. Similar results are obtained for planar d-webs, d > 4, provided that additional d-4 second-order invariants vanish.
Cite
@article{arxiv.0810.5392,
title = {Geodesic Webs on a Two-Dimensional Manifold and Euler Equations},
author = {Vladislav V. Goldberg and Valentin V. Lychagin},
journal= {arXiv preprint arXiv:0810.5392},
year = {2008}
}
Comments
15 pages