Abstract
We investigate the multiplicative and T-space structure of the relatively free algebra F (3) with a unity corresponding to the identity [[x 1 , x 2], x 3] = 0 over an infinite field of characteristic p > 0. The highest emphasis is placed on unitary closed T-spaces over a field of characteristic p > 2. We construct a diagram containing all basic T-spaces of the algebra F (3), which form infinite chains of the inclusions. One of the main results is the decomposition of quotient T-spaces connected with F (3) into a direct sum of simple components. Also, the studied T-spaces are commutative subalgebras of F (3); thus, the structure of F(3) and its subalgebras can be described as modules over these commutative algebras. Separately, we consider the specifics of the case p = 2. In the Appendix, we study nonunitary closed T-spaces and the case of a field of zero characteristic.
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Translated from Fundamentalnaya i Prikladnaya Matematika, Vol. 15, No. 8, pp. 3–93, 2009.
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Grishin, A.V., Tsybulya, L.M. On the structure of a relatively free Grassmann algebra. J Math Sci 171, 149–212 (2010). https://doi.org/10.1007/s10958-010-0131-7
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DOI: https://doi.org/10.1007/s10958-010-0131-7