The converse from left-finite semibricks to brick finiteness
The converse from left-finite semibricks to brick finiteness
Let be a finite dimensional -algebra. A semibrick is left finite if it satisfies the left-finiteness condition defined in the surrounding theory, and is brick finite if it has only finitely many isoclasses of bricks.
Converse conjecture. If every semibrick is left finite, then is brick finite.
Brick finiteness implies that every semibrick is left finite, and the converse remains an open problem.
Sources & referencesView supporting material
Primary source
Sota Asai, “Mutations of simple-minded collections revisited”, arXiv:2606.15537 (2026).
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