We identify the exposed points of the unit ball of the dual space of the ballalgebra. As a corollary, we show that the predual of $H^\infty(\mathbb{B}_d)$has no extreme points in its unit ball.
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机译:我们确定了代数对偶空间的单位球的裸露点。作为推论,我们证明$ H ^ \ infty(\ mathbb {B} _d)$的前置词在其单位球中没有极端。
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