Jernej Grlj

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math.QA2026

6-valent vertex in the $gl_{N}$ web category and its categorification

Jernej Grlj, Mikhail Khovanov, Haihan Wu +1

We define a $2 π /3$ -rotationally invariant 6-valent vertex in the $gl_{N}$ web category. When $N = 4, 5$ , we provide a categorification of the 6-valent vertex using $\mathf…

math.QA2026

Action of the Witt algebra on categorified quantum groups

Jernej Grlj, Aaron D. Lauda

We construct an action of the positive Witt algebra on the categorified quantum group associated to a simply-laced Lie algebra. In the type A case, we show that this action induces…

6-valent vertex in the glN​ web category and its categorification

Action of the Witt algebra on categorified quantum groups

6-valent vertex in the $gl_{N}$ web category and its categorification