Abstract
A commutative ring such that for every pair of elements a and b the following equation holds,
is called a Jordan ring 1. In the first four sections of this paper, we will consider Jordan algebras2 over an arbitrary ring of coefficients Σ, assuming only that Σ is a unital ring and that for each element a in the Jordan algebra there exists a unique element b such that 2b=a. Clearly, in this case the equation 2a=0 implies a=0. In such Jordan algebras, i.e., Jordan algebras without elements of order 2 in the additive group, the following equations hold:
Literally, “J-ring”. We adopt the modern terminology, “Jordan ring”. [Translators]
Literally, “Jordan rings with an arbitrary ring Σ of operators”. [Translators]
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References
A.A. Albert, A note on the exceptional Jordan algebra, Proc. Nat. Acad. Sci. U.S.A. 36 (1950) 372–374.
P.M. Cohn, On homomorphic images of special Jordan algebras Canadian J. Math. 6 (1954) 253–264.
A.I. Malcev, On a representation of nonassociative rings, Uspekhi Mat. Nauk N.S. 7 (1952) 181–185.
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© 2009 Birkhäuser Verlag, P.O. Box 133, CH-4010 Basel, Switzerland
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Shirshov, A.I. (2009). On Special J-rings. In: Bokut, L., Shestakov, I., Latyshev, V., Zelmanov, E. (eds) Selected Works of A.I. Shirshov. Contemporary Mathematicians. Birkhäuser Basel. https://doi.org/10.1007/978-3-7643-8858-4_4
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DOI: https://doi.org/10.1007/978-3-7643-8858-4_4
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