Abstract
The classic Amitsur-Levitzki theorem states that the algebra of square matrices of order over a field K satisfies the standard identity of degree 2n and does not satisfy any other standard identity of a lower degree. This paper presents a result analogous to the Amitsur-Levitzki theorem but applied to the algebra \(M_{n,n}(E)\), where E represents the Grassmann algebra over a field with characteristic \(p > 2\). More precisely, we demonstrate that the minimal degree of the standard polynomial that makes it a polynomial identity for this algebra is 2np. Furthermore, for the algebra \(M_{a,b}(E)\), where \(a \ge b\), we establish that it satisfies a standard identity of degree \((a+b)p\) and does not satisfy any standard identity with a degree less than \(2[b(p-1)+a]\).
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Acknowledgements
Geraldo de Assis Junior is partially supported by PROPP/UESC grant 07367662019002066493.
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Assis, G.d. The standard identity in algebra \(M_{n,n}(E)\). Rend. Circ. Mat. Palermo, II. Ser (2024). https://doi.org/10.1007/s12215-024-01019-1
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DOI: https://doi.org/10.1007/s12215-024-01019-1