The unit ball of the predual of $H^\infty(\mathbb{B}_d)$ has no extreme points

@article{Clouatre2015TheUB,
title={The unit ball of the predual of \$H^\infty(\mathbb\{B\}\_d)\$ has no extreme points},
author={Raphael Clouatre and Kenneth R. Davidson},
journal={arXiv: Functional Analysis},
year={2015}
}

We identify the exposed points of the unit ball of the dual space of the ball algebra. 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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