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Type: Artigo
Title: A Note On Graded Polynomial Identities For Tensor Products By The Grassmann Algebra In Positive Characteristic
Author: Centrone
Lucio; Tomaz da Silva
Viviane Ribeiro
Abstract: Let G be a finite abelian group. As a consequence of the results of Di Vincenzo and Nardozza, we have that the generators of the T-G-ideal of G-graded identities of a G-graded algebra in characteristic 0 and the generators of the T-GxZ2 -ideal of G x Z(2)-graded identities of its tensor product by the infinite-dimensional Grassmann algebra E endowed with the canonical grading have pairly the same degree. In this paper, we deal with Z(2) x Z(2)-graded identities of E-k* circle times E over an infinite field of characteristic p > 2, where E-k* is E endowed with a specific Z(2)-grading. We find identities of degree p + 1 and p + 2 while the maximal degree of a generator of the Z(2)-graded identities of E-k* is p if p > k. Moreover, we find a basis of the Z(2) x Z(2)-graded identities of E-k (*) circle times E and also a basis of multihomogeneous polynomials for the relatively free algebra. Finally, we compute the Z(2) x Z(2)-graded Gelfand-Kirillov (GK) dimension of E-k* circle times E.
Subject: Graded Identities
Grassmann Algebra
Editor: World Scientific Publ CO PTE LTD
Rights: fechado
Identifier DOI: 10.1142/S0218196716500478
Date Issue: 2016
Appears in Collections:Unicamp - Artigos e Outros Documentos

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