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Results tagged with soft-question
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user 461
Questions that are about research in mathematics, or about the job of a research mathematician, without being mathematical problems or statements in the strictest sense. Do not use this tag for easy or supposedly easy mathematical questions.
56
votes
Quick proofs of hard theorems
Cantor's proof of the existence of transcendental numbers. With a (now) obvious one-line argument he showed that there are uncountably many of them --- when Liouville, Hermite and others had to take ( …
48
votes
19
answers
16k
views
What is your favorite proof of Tychonoff's Theorem?
Here is mine. It's taken from page 11 of "An Introduction To Abstract Harmonic Analysis", 1953, by Loomis:
https://archive.org/details/introductiontoab031610mbp
https://ia800309.us.archive.org/10/item …
3
votes
Math paper authors' order
It seems to me nobody mentioned the Zariski-Samuel and Grothendieck-Dieudonné cases.