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20142026
most citedMonoidal abelian envelopes and a conjecture of Benson--Etingof

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math.CT2026

An abelian envelope without the quotient property

Johannes Flake, Jonathan Gruber, Thorsten Heidersdorf

We show that the universal rigid monoidal category on one object has an abelian envelope. Since it was proven by Coulembier-Etingof-Ostrik-Pauwels (2023) that this category cannot…