Abstract

The aim of this work is to show that for each finite natural number l⩾2 there exists a 1-parameter family of Saddle Tower type minimal surfaces embedded in S2×R, invariant with respect to a vertical translation. The genus of the quotient surface is 2l−1. The proof is based on analytical techniques: precisely we desingularize of the union of γj×R, j∈{1,…,2l}, where γj⊂S2 denotes a half great circle. These vertical cylinders intersect along a vertical straight line and its antipodal line. As byproduct of the construction we produce free boundary surfaces embedded in (S2)+×R. Such surfaces are extended by reflection in ∂(S2)+×R in order to get the minimal surfaces with the desired properties.

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