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Proceedings of the American Mathematical Society
Proceedings of the American Mathematical Society
ISSN 1088-6826(online) ISSN 0002-9939(print)

 

Automorphisms of $ {\rm SL}\sb 2$ of imaginary quadratic integers


Authors: John Smillie and Karen Vogtmann
Journal: Proc. Amer. Math. Soc. 112 (1991), 691-699
MSC: Primary 20G30; Secondary 11E57, 20F28
MathSciNet review: 1065094
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Abstract: We determine the outer automorphism groups of the two-dimensional special linear and projective special linear groups of the ring of integers in an imaginary quadratic field.


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DOI: http://dx.doi.org/10.1090/S0002-9939-1991-1065094-6
PII: S 0002-9939(1991)1065094-6
Article copyright: © Copyright 1991 American Mathematical Society