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On cubes of Frobenius extensions

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abstract

Given a hypercube of Frobenius extensions between commutative algebras, we provide a diagrammatic description of some natural transformations between compositions of induction and restriction functors, in terms of colored transversely-intersecting planar 1-manifolds. The relations arise in the first and third authors' work on (singular) Soergel bimodules.

fields

math.QA 1

years

2019 1

verdicts

ACCEPT 1

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