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Proceedings of the National Academy of Sciences of Belarus. Physics and Mathematics Series

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ON LINEAR SPANS OF THE COMMUTATOR SUBGROUPS OF UNITARY GROUPS OF NON-COMMUTATIVE FINITE DIMENSIONAL DIVISION ALGEBRAS

Abstract

Let K/к be a separable quadratic extension, char K ≠ 2, A a non-commutative finite dimensional central K-division algebra with unitary к-involution. For algebras A of prime index relatively prime to char K we prove the following conjecture: к-linear span of the commutator subgroup of а unitary group of A coincides with A.

About the Authors

A. V. Prokopchuk
Institute of Mathematics of the National Academy of Sciences of Belarus, Minsk
Belarus


V. I. Yanchevskii
Institute of Mathematics of the National Academy of Sciences of Belarus, Minsk
Belarus


References

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4. Янчевский В. И. Приведенные группы Уайтхеда и проблема сопряженности для специальных унитарных групп анизотропных эрмитовых форм // Зап. науч. семинаров С.-Петерб. отд-ния мат. ин-та им. В. А. Стеклова РАН. 2012. Т. 400, № 23. С. 222-245.


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ISSN 1561-2430 (Print)
ISSN 2524-2415 (Online)