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Posets and Fractional Calabi-Yau Categories

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arxiv 2303.11656 v2 pith:U5FHH7M4 submitted 2023-03-21 math.CO math.RT

classification math.COmath.RT
keywords categoriesderivedposetsarisingarticleauxiliarycalabi-yaucategory
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This article deals with a relationship between derived categories of modules over some partially ordered sets and triangulated categories arising from quasi-homogeneous isolated singularities. It produces heuristics for the existence of derived equivalences between posets, using the geometric category as an auxiliary intermediate. The notion of Weight plays a central role as a simple footprint of the derived categories under consideration.

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