Geodesic
On Permanental Identities of Symmetric and Skew-Symmetric Matrices in Characteristic p
Canadian mathematical bulletin, Tome 41 (1998) no. 1, pp. 118-124

Voir la notice de l'article provenant de la source Cambridge University Press

Let ${{M}_{n}}(F)$ be the algebra of $n\times n$ matrices over a field $F$ of characteristic $p>2$ and let $*$ be an involution on ${{M}_{n}}(F)$ . If ${{s}_{1}},...,{{s}_{r}}$ are symmetric variables we determine the smallest $r$ such that the polynomial $${{P}_{r}}({{S}_{1}},...,{{S}_{r}})\,=\,\sum\limits_{\sigma \in {{S}_{r}}}{{{S}_{\sigma (1)}}...{{S}_{\sigma (r)}}}$$ is a $*$ -polynomial identity of ${{M}_{n}}(F)$ under either the symplectic or the transpose involution. We also prove an analogous result for the polynomial $${{C}_{r}}\left( {{k}_{1}},...,{{k}_{r,}}{{{{k}'}}_{1}},...,{{{{k}'}}_{r}} \right)=\sum\limits_{\sigma ,\tau \in {{S}_{r}}}{{{k}_{\sigma \left( 1 \right)}}{{{{k}'}}_{\tau \left( 1 \right)}}\cdot \cdot \cdot {{k}_{\sigma \left( r \right)}}{{{{k}'}}_{\tau \left( r \right)}}}$$ where ${{k}_{1}},...,{{k}_{r}},k_{1}^{'},...,k_{r}^{'}$ are skew variables under the transpose involution.
DOI : 10.4153/CMB-1998-018-9
Mots-clés : 16R50 
Valenti, Angela. On Permanental Identities of Symmetric and Skew-Symmetric Matrices in Characteristic p. Canadian mathematical bulletin, Tome 41 (1998) no. 1, pp. 118-124. doi: 10.4153/CMB-1998-018-9
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     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-1998-018-9/}
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