9. jacobian construction
The Jacobian as a complex torus: the period lattice (ℤ-span of loop periods), period vectors, and the ZLattice quotient manifold machinery.
3 modules, 2,286 lines, under Jacobians/JacobianConstruction/.
References: Forster §§20–21 · Miranda Ch. V · Forster §I.7 · Forster §4.20.