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27 April 2024
 
  » arxiv » 1711.5916

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Maximization of the Fundamental Tone on the Klein Bottle
Donato Cianci ; Vladimir Medvedev ;
Date 16 Nov 2017
AbstractIn this expository paper we provide a complete proof of the fact that the first non-zero eigenvalue of the Laplacian on a Klein bottle is maximized by the bipolar Lawson surface au_{3,1}. While this result follows from the earlier work of Jakobson-Nadirashvili-Polterovich, El Soufi-Giacomini-Jazar, Nadirashvili-Sire and Petrides, its proof has never been written up in full. The goal of this note is to close this gap in the literature. In particular, we generalize certain results of El Soufi and Ilias regarding conformal volume to metrics with conical singularities and prove continuity of the k-conformal eigenvalue functional with respect to conformal classes.
Source arXiv, 1711.5916
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