Mathematics – Complex Variables
Scientific paper
2008-02-06
Mathematics
Complex Variables
17 pages
Scientific paper
We study the closed ideal in the Beurling algebras
$\mathcal{A}^{+}_{\alpha,\beta}$ of holomorphic function $f$ in the bidisc such
that $\sum_{n,m\geq 0}|\hat{f}(n,m)|(1+n)^{\alpha}(1+m)^\beta<+\infty$. We
determine the function $f\in\mathcal{A}^{+}_{\alpha,\beta}$ such that the
ideals generated by $f$ coincide with the ideal generated by their zeros set.
Bouya Brahim
El-Fallah Omar
Kellay Karim
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