2 papers
math.SG2025
Gromov width of the disk cotangent bundle of spheres of revolution
Brayan Ferreira, Vinicius G. B. Ramos, Alejandro Vicente
Inspired by work of the first and second author, this paper studies the Gromov width of the disk cotangent bundle of spheroids and Zoll spheres of revolution. This is achieved with…
math.SG2025
Hopf orbits and the first ECH capacity
Umberto Hryniewicz, Michael Hutchings, Vinicius G. B. Ramos
We consider dynamically convex star-shaped domains in a symplectic vector space of dimension . For such a domain, a ``Hopf orbit'' is a closed characteristic in the boundary whi…