Talk:Unconditional convergence

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Equivalent definition?

While the "equivalent definition" with the signs is clearly equivalent for series with values in the real numbers, I don't see any reason why it should be equivalent for Banach space valued series. Reference in the mathematical literature? (PlanetMath is not a reliable source.)

A perhaps related article

See here (or for the article). 129.104.241.220 (talk) 01:29, 8 March 2025 (UTC)[reply]