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Citation
MATHEMATICAL RESEARCH LETTERS, 21권, 3호, pp.449-460
Abstract
The genus-g Goeritz group is the group of isotopy classes of orientationpreserving homeomorphisms of a closed orientable 3-manifold that preserve a given genus-g Heegaard splitting of the manifold. In this work, we show that the genus-2 Goeritz group of S-2 x S-1 is finitely presented, and give its explicit presentation.