Vol. 268, No. 1, 2014

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The Alexandrov problem in a quotient space of $\mathbb H^2\times \mathbb R$

Ana Menezes

Vol. 268 (2014), No. 1, 155–172
Abstract

We prove an Alexandrov-type theorem for a quotient space of 2 × . More precisely, we classify the compact embedded surfaces with constant mean curvature in the quotient of 2 × by a subgroup of isometries generated by a horizontal translation along horocycles of 2 and a vertical translation. We also construct some examples of periodic minimal surfaces in 2 × and we prove a multivalued Rado theorem for small perturbations of the helicoid in 2 × .

Keywords
constant mean curvature surface, periodic surface, Alexandrov reflection
Mathematical Subject Classification 2010
Primary: 53A10, 53C42
Milestones
Received: 4 June 2012
Revised: 9 September 2013
Accepted: 16 September 2013
Published: 21 May 2014
Authors
Ana Menezes
Instituto Nacional de Matemática Pura e Aplicada
Estrada Dona Castorina, 110
22460-320 Rio de Janeiro
Brazil