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A characterization of noncommutative quaternion rings

Author: Carl W. Kohls
Journal: Proc. Amer. Math. Soc. 46 (1974), 351-354
MSC: Primary 16A42
MathSciNet review: 0349746
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Abstract: Noncommutative quaternion subrings of the ring of $ 4 \times 4$ matrices over a formally real field are characterized in terms of the form of commutators and the multiplicity of characteristic roots.

References [Enhancements On Off] (What's this?)

  • [1] Irving Kaplansky, Lie algebras and locally compact groups, Univ. of Chicago Press, Chicago, Ill., 1971. MR 43 #2145. MR 0276398 (43:2145)
  • [2] C. W. Kohls and W. H. Reynolds, Embedding rings with a maximal cone and rings with an involution in quaternion algebras, Trans. Amer. Math. Soc. 176 (1973), 411-419. MR 47 #1857. MR 0313302 (47:1857)

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