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PROPERLY EMBEDDED MINIMAL ANNULI BOUNDED BY A CONVEX CURVE

Published online by Cambridge University Press:  24 January 2003

Joaquin Pérez
Affiliation:
Departamento de Geometria y Topologia, Facultad de Ciencias, Universidad de Granada, Fuentenueva, 18071 Granada, Spain (jperez@ugr.es; aros@ugr.es)
Antonio Ros
Affiliation:
Departamento de Geometria y Topologia, Facultad de Ciencias, Universidad de Granada, Fuentenueva, 18071 Granada, Spain (jperez@ugr.es; aros@ugr.es)

Abstract

We prove that given a convex Jordan curve $\varGamma\subset\{x_3=0\}$, the space of properly embedded minimal annuli in the half-space $\{x_3\geq0\}$, with boundary $\varGamma$ is diffeomorphic to the interval $[0,\infty)$. Moreover, for a fixed positive number $a$, the exterior Plateau problem that consists of finding a properly embedded minimal annulus in the upper half-space, with finite total curvature, boundary $\varGamma$ and a catenoid type end with logarithmic growth $a$ has exactly zero, one or two solutions, each one with a different stability character for the Jacobi operator.

AMS 2000 Mathematics subject classification: Primary 53A10. Secondary 49Q05; 53C42

Type
Research Article
Copyright
2002 Cambridge University Press

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