Frobenius theorem
Sign in to savetheorem that the finite-dimensional associative division algebras over the reals are either the reals, the complex numbers, or the quaternions
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Hurwitz's theorem
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associative algebra
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mathematics
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International Standard Book Number
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complex number
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real number
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mathematical proof
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theorem
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vector space
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polynomial
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abstract algebra
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quaternion
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isomorphism
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fundamental theorem of algebra
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Cambridge University Press
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if and only if
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zero of a function
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trace
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Lev Pontryagin
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octonion
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