Deligne groupoid revisited
classification
🧮 math.AT
math.DG
keywords
delignedifferentialgroupoidmathfrakalgebrabelowcomponentsdegrees
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We show that for a differential graded Lie algebra $\mathfrak{g}$ whose components vanish in degrees below -1 the nerve of the Deligne 2-groupoid is homotopy equivalent to the simplicial set of $\mathfrak{g}$-valued differential forms introduced by V.Hinich.
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