Constant mean curvature surfaces with three ends.

Grosse-Brauckmann, K; Kusner, R B; Sullivan, J M · Proc Natl Acad Sci U S A · 2000

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Abstract

We announce the classification of complete almost embedded surfaces of constant mean curvature, with three ends and genus zero. They are classified by triples of points on the sphere whose distances are the asymptotic necksizes of the three ends.