I'm looking for some reference to understand why the Pontryagin dual of the Cantor space $\prod_{n\in \mathbb{N}}\{0,1\}$ is $\bigoplus_{n\in \mathbb{N}} \{0,1\}$.
Thanks for your help.
2026-03-26 22:15:21.1774563321
Pontryagin dual of the Cantor space
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