Classifies central extensions of the dg Lie algebra of derived global sections of the tangent sheaf on the punctured formal 2-disk and proves a local universal Grothendieck-Riemann-Roch theorem for 2D complex variety families.
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Two-dimensional Virasoro algebras
Classifies central extensions of the dg Lie algebra of derived global sections of the tangent sheaf on the punctured formal 2-disk and proves a local universal Grothendieck-Riemann-Roch theorem for 2D complex variety families.