Abstract
This paper proves that there are only finitely many subgroupsH of finite index in Sp(4,Z) such that coresponding quotient\(\mathcal{H}/H\) of the Siegel upper half space of rank two is not of general type.
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Translated from Itogi Nauki i Tekhniki, Seriya Sovremennaya Matematika i Ee Prilozheniya. Tematicheskie Obzory. vol. 56. Algebraic Geometry-9, 1998.
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Borisov, L.A. A finiteness theorem for subgroups of SP (4,Z). J Math Sci 94, 1073–1099 (1999). https://doi.org/10.1007/BF02367249
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DOI: https://doi.org/10.1007/BF02367249