3 citations · 3 across the 3 of their papers we have counts for
3 papers
math.SG2024
On affine Riemann surfaces
Richard Cushman
We show that the universal covering space of a connected component of a regular level set of a smooth complex valued function on , which is a smooth affine Riemann…
math.DG2024
Some metric geometry of the icosahedron
Richard Cushman
This paper constructs a Riemann surface associated to the icosahedron and discusses the geodesics associated to a flat metric on this surface. Because of the icosahedral symmetry,…
math.DS2002★ 3 cited
Geometry of KAM tori for nearly integrable Hamiltonian systems
H. W. Broer, R. H. Cushman, F. Fasso
We obtain a global version of the Hamiltonian KAM theorem for invariant Lagrangean tori by glueing together local KAM conjugacies with help of a partition of unity. In this way we…