Two-dimensional Virasoro algebras
arXiv:2605.10549
Abstract
We classify central extensions of the dg Lie algebra of derived global sections of the tangent sheaf on the punctured, formal 2-disk. We then prove a local and universal form of the Grothendieck--Rieman--Roch theorem for families of two-dimensional complex varieties.
32 pages, 3 figures. Comments are very welcome!