On the identities of the Grassmann algebras in characteristicp>0 |
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Authors: | Antonio Giambruno Plamen Koshlukov |
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Institution: | (1) Dipartimento di Matematica e Aplicazioni, Universitá di Palermo, 90123 Palermo, Italy;(2) IMECC, UNICAMP, Cx. P. 6065, 13083-970 Campinas, SP, Brazil |
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Abstract: | In this note we exhibit bases of the polynomial identities satisfied by the Grassmann algebras over a field of positive characteristic. This allows us to answer the following question of Kemer: Does the infinite dimensional Grassmann algebra with 1, over an infinite fieldK of characteristic 3, satisfy all identities of the algebraM 2(K) of all 2×2 matrices overK? We give a negative answer to this question. Further, we show that certain finite dimensional Grassmann algebras do give a positive answer to Kemer's question. All this allows us to obtain some information about the identities satisfied by the algebraM 2(K) over an infinite fieldK of positive odd characteristic, and to conjecture bases of theidentities ofM 2(K). |
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