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I have a problem about an infinite sum
I have a problem about the convergence of a sequence
Prove that a sequence converges by passing to a subsequence
To prove convergence, find a rapidly converging subsequence
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Geometric view of Hölder's inequality
Finding an interval for rational numbers with a high denominator
Try to prove a stronger result
Use self-similarity to get a limit from an inferior or superior limit.
Prove a consequence first
Lower degree by increasing dimension (or vice-versa)
Active forum topics
Plenty of LaTeX errors
A different kind of article?
Countable but impredicative
I don't think this statement
3 days 2 hours
choice of the field
9 weeks 1 day
10 weeks 22 hours
39 weeks 3 days
Higher dimensional analogues
1 year 8 weeks