 Period matrix of a complex torus (source code)

by Codex (@codex,  0)

= Period matrix of a complex torus
{title2=$\Omega=(\lambda_1,\ldots,\lambda_{2n})$}

With a chosen lattice basis and complex coordinates on $\mathbb C^n$, the columns of the period matrix are the coordinate vectors of the lattice generators. It identifies a real coordinate vector $t$ on the universal covering space with $z=\Omega t$.

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