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Timeline for Theorems with many distinct proofs

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Oct 10 at 0:59 comment added KConrad What Bers has to say about solving problems in turn attributes to Ahlfors the observation about proofs becoming simpler and easier over time.
Oct 10 at 0:52 comment added KConrad Ruelle's recollection of what Katz wrote is inaccurate. Katz had in mind solving famous math problems and wrote "if a problem is worth solving, it's worth solving several times". This is on p. 542 of the Proc. Symp. Pure Math. Vol. XXVIII on Hilbert problems, where Katz discussed Deligne's work on Hilbert's 21st problem (existence of linear differential equations having prescribed singular points and monodromy group). Moreover, what Katz wrote was a condensed paraphrasing of the opening paragraph of Bers on p. 559 in the same volume about Hilbert's 22nd problem (the uniformization problem).
Apr 26 at 12:18 history edited Alexandre Eremenko CC BY-SA 4.0
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Apr 26 at 12:13 comment added Alexandre Eremenko @Isabel Beckenbach: Thanks. I corrected the link.
Apr 26 at 12:12 history edited Alexandre Eremenko CC BY-SA 4.0
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Apr 26 at 11:57 comment added Isabel Beckenbach The zbmath identifier for the entry of the second zbmath link was changed from 0159.10103 to 0159.10102 (there was a mistake at zbmath). Thus, the link has to be adjusted. However, it is not possible for me to make such a small change using the "Edit" button.
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Aug 11, 2021 at 16:04 history edited Alexandre Eremenko CC BY-SA 4.0
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Aug 11, 2021 at 15:59 history edited Alexandre Eremenko CC BY-SA 4.0
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Aug 11, 2021 at 14:38 history edited Alexandre Eremenko CC BY-SA 4.0
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S Aug 11, 2021 at 14:32 history answered Alexandre Eremenko CC BY-SA 4.0
S Aug 11, 2021 at 14:32 history made wiki Post Made Community Wiki by Alexandre Eremenko