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when toggle format what by license comment
Nov 23, 2023 at 20:03 comment added Christophe Leuridan Yes. I correct the typo.
Nov 23, 2023 at 19:26 comment added an_ordinary_mathematician You mean that $(A^{-n}\mathbb{Z}^d)_{n\geq 0} $ is an increasing sequence of subgroups of $\mathbb{R}^d$ ?
Nov 23, 2023 at 19:15 history answered Christophe Leuridan CC BY-SA 4.0