Abstract
This paper describes subgroups of isotropic orthogonal groups over an infinite field containing the centralizer of a split maximal torus when there is a small consraint on the field. The description is given in terms of net subgroups.
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Translated from Zapiski Nauchnykh Seminarov Leningradskogo Otdeleniya Matematicheskogo Instituta im. V. A. Steklova Akademiya Nauk SSSR, Vol. 191, pp. 76–79, 1991.
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Golubovskii, V. Subgroups of isotropic orthogonal groups containing the centralizer of a maximal split torus. J Math Sci 63, 653–655 (1993). https://doi.org/10.1007/BF01097977
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DOI: https://doi.org/10.1007/BF01097977