Abstract
An arithmetic variety is the quotient space of a symmetric space with complex structure by an arithmetic subgroup of the associated algebraic Lie group. It is shown that the variety obtained from an arithmetic variety by a base change corresponding to any automorphism ofC is again an arithmetic variety.
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Research partially supported by NSF Grant # MCS-77-15524.
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Kazhdan, D. On arithmetic varieties II. Israel J. Math. 44, 139–159 (1983). https://doi.org/10.1007/BF02760617
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DOI: https://doi.org/10.1007/BF02760617