In any maximal finite semibrick for a finite dimensional algebra over an algebraically closed field, every brick is an open brick.
Crawley-Boevey, Exceptional Sequences of Representations of Quivers, in ``Representations of algebras'' (Ottawa, ON, 1992), Canadian Math
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Maximal finite semibricks consist only of open bricks
In any maximal finite semibrick for a finite dimensional algebra over an algebraically closed field, every brick is an open brick.