Geometry Seminar
University of Tor Vergata, Department of Mathematics
9th of May 2023, 16:00-17:00, room “D’Antoni”
Speaker
Giuseppe Pipoli
(Università dell’Aquila)
Title
Constant mean curvature hypersurfaces in H^n x R
with small planar boundary
Abstract
Denoting with H^n the n-dimensional hyperbolic space,
we show that constant mean curvature hypersurfaces in
H^n x R with small boundary contained in a horizontal slice
P are topological disks, provided they are contained in one of the two
half-spaces determined by P.
This is the analogous in H^n x R of a result in
R^3 by A. Ros and H. Rosenberg.
The proof is based on geometric and analytic methods : from one side
the constant mean curvature equation is a quasilinear elliptic PDE on
manifolds, to the other the specific geometry of the ambient space
produces some peculiar phenomena.
This talk is based on a joint work with Barbara Nelli.