| Article ID | Journal | Published Year | Pages | File Type |
|---|---|---|---|---|
| 4606697 | Differential Geometry and its Applications | 2007 | 7 Pages |
Abstract
It is shown that a linear Hamiltonian system of signature zero on R4R4 is elliptic, hyperbolic or mixed according to the number of Lagrangian planes in the null-cone H−1(0)H−1(0), or equivalently the number of invariant Lagrangian planes. A weaker extension to higher dimensions is described.
Keywords
Related Topics
Physical Sciences and Engineering
Mathematics
Analysis
Authors
James Montaldi,