The Gelfand-Kirillov dimension of quadratic algebras satisfying the cyclic condition

Ferran Cedó, Eric Jespers, Jan Okniński

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9 Citations (Scopus)

Abstract

We consider algebras over a field K presented by generators x 1,..., xn and subject to (n2) square-free relations of the form xixj = xkxl with every monomial xixj, i ≠ j, appearing in one of the relations. It is shown that for n > 1 the Gelfand-Kirillov dimension of such an algebra is at least two if the algebra satisfies the so-called cyclic condition. It is known that this dimension is an integer not exceeding n. For n ≥ 4, we construct a family of examples of Gelfand-Kirillov dimension two. We prove that an algebra with the cyclic condition with generators x 1,...,xn has Gelfand-Kirillov dimension n if and only if it is of I-type, and this occurs if and only if the multiplicative submonoid generated by x1,...,xn is cancellative. © 2005 American Mathematical Society.
Original languageEnglish
Pages (from-to)653-663
JournalProceedings of the American Mathematical Society
Volume134
DOIs
Publication statusPublished - 1 Mar 2006

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