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Intrinsic Functions on Matrices of Real Quaternions
Published online by Cambridge University Press: 20 November 2018
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It is well known that any semi-simple algebra over the real field R, or over the complex field C, is a direct sum (unique except for order) of simple algebras, and that a finite-dimensional simple algebra over a field is a total matrix algebra over a division algebra, or equivalently, a direct product of a division algebra over and a total matrix algebra over (1). The only finite division algebras over R are R, C, and , the algebra of real quaternions, while the only finite division algebra over C is C.
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- Copyright © Canadian Mathematical Society 1963
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