The Hirzebruch-Riemann-Roch theorem identifies for a holomorphic vector bundle the alternating sum of its abelian sheaf cohomology groups (hence for trivial bundle the index of the Dolbeault operator) with the Chern character of the bundle cupped with the Todd class of the underlying complex manifold.
Wikipedia: Hirzebruch-Riemann-Roch theorem
Friedrich Hirzebruch: Topological methods in algebraic geometry, Springer (1978), Classics in Mathematics, Springer (1995) [doi:10.1007/978-3-642-62018-8, pdf]
Review of the genesis of the theorem:
Last revised on April 25, 2026 at 10:11:15. See the history of this page for a list of all contributions to it.