Geodesic
On the Cauchy transform of functionals on a Bergman space
Sbornik. Mathematics, Tome 82 (1995) no. 2, pp. 327-336 Cet article a éte moissonné depuis la source Math-Net.Ru

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The strong dual space of the Bergman space $$ B_2(G)=\biggl\{f\in H(G):\|f\|_{B_2(G)}^2=\int_G|f(x)|^2\,d\mathrm{v}(z)<\infty\biggr\}, $$ is described in terms of the Cauchy transformation, where $\mathrm{v}(z)$ is Lebesgue measure and $G$ is a simply connected domain with boundary of class $C^{1+0}$. As a normed space, $B_2^*(G)$ is isomorphic to the space $$ B_2^1(\mathbb{C}\setminus \overline G) =\biggl\{\gamma (\zeta )\in H(\mathbb{C}\setminus \overline G), \gamma (\infty )=0: \|\gamma \|_{B_2^1(\mathbb C\setminus\overline G)}^2 =\int_{{\mathbb C}\setminus {\overline G}} |\gamma'(\zeta )|^2\,d\mathrm{v}(\zeta)<\infty\biggr\}. $$ An example is given of a domain with nonsmooth boundary for which the spaces $B_2^*(G)$ and $B_2^1(\mathbb C\setminus\overline G)$ are not isomorphic. 
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     title = {On the {Cauchy} transform of functionals on {a~Bergman} space},
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V. V. Napalkov; R. S. Yulmukhametov. On the Cauchy transform of functionals on a Bergman space. Sbornik. Mathematics, Tome 82 (1995) no. 2, pp. 327-336. http://geodesic.mathdoc.fr/item/SM_1995_82_2_a4/

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