Geodesic
The algebra of the subspace semigroup of $M_{2}({\Bbb F}_q)$
Jan Okni/nski1
1 Institute of Mathematics Warsaw University Banacha 2 02-097 Warszawa, Poland
Colloquium Mathematicum, Tome 92 (2002) no. 1, pp. 131-139.

Voir la notice de l'article provenant de la source Institute of Mathematics Polish Academy of Sciences

The semigroup $S=S(M_{2}({\mathbb F}_{q}))$ of subspaces of the algebra $M_{2}({\mathbb F}_{q})$ of $2\times 2$ matrices over a finite field ${\mathbb F}_{q}$ is studied. The ideal structure of $S$, the regular $\cal J$-classes of $S$ and the structure of the complex semigroup algebra ${\mathbb C}[S]$ are described.
DOI : 10.4064/cm92-1-11
Keywords: semigroup mathbb subspaces algebra mathbb times matrices finite field mathbb studied ideal structure regular cal j classes structure complex semigroup algebra mathbb described

Jan Okni/nski 1

1 Institute of Mathematics Warsaw University Banacha 2 02-097 Warszawa, Poland 
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Jan Okni/nski. The algebra of the subspace semigroup of $M_{2}({\Bbb F}_q)$. Colloquium Mathematicum, Tome 92 (2002) no. 1, pp. 131-139. doi : 10.4064/cm92-1-11. http://geodesic.mathdoc.fr/articles/10.4064/cm92-1-11/

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