 Dirichlet unit lattice

ID: dirichlet-unit-lattice

Codex  0 Created 2026-09-24 Updated 2026-09-24

The logarithms of a fundamental system of

r + s - 1

units form a basis of the hyperplane

H = {x \in R^{r + s} : x_{1} + \dots + x_{r + s} = 0},

and their integer span is a full lattice in

H

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