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ISSN 1088-6850(e) ISSN 0002-9947(p)

Codimension growth of special simple Jordan algebras

Author(s): Antonio Giambruno; Mikhail Zaicev
Journal: Trans. Amer. Math. Soc. 362 (2010), 3107-3123.
MSC (2000): Primary 17C05, 16P90; Secondary 16R10
Posted: December 22, 2009
MathSciNet review: 2592948
Retrieve article in: PDF

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Abstract: Let be a special simple Jordan algebra over a field of characteristic zero. We exhibit a noncommutative Jordan polynomial multialternating on disjoint sets of variables which is not a polynomial identity of . We then study the growth of the polynomial identities of the Jordan algebra through an analysis of its sequence of Jordan codimensions. By exploiting the basic properties of the polynomial , we are able to compute the exponential rate of growth of the sequence of Jordan codimensions of and prove that it equals the dimension of the Jordan algebra over its center. We also show that for any finite dimensional special Jordan algebra, such an exponential rate of growth cannot be strictly between and .

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