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 Revival
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Apr
22
awarded  Revival
Apr
14
awarded  Revival
Apr
8
awarded  Yearling
Mar
14
awarded  Nice Answer
Feb
27
awarded  Reversal
Feb
18
awarded  number-theory
Sep
30
awarded  Explainer
Aug
21
answered What was the first bit of mathematics that made you realize that math is beautiful? (For children's book)
Jul
2
awarded  Curious
Jun
24
revised Cauchy-Schwarz type formula for positive integral operator
edited title
Jun
24
revised Correlation coefficient calculation
deleted 1 character in body
Jun
24
revised Proof of the Bergström inequality using Cauchy
deleted 1 character in body
Jun
24
revised $|f(x)|\leq \sqrt{\frac{\pi}{3}\int_0^\pi f'^2}$
deleted 1 character in body
Jun
20
asked Existence of sets with four common elements among 16000 sets.
May
30
comment Finding an expression to represent this pattern
You really need to tell us more about the source of these numbers. In particular, are the decimal numbers rounded or exact?
May
30
revised Old Qualifying Exam Problem topology
added 1 character in body
May
30
revised Why does there exist a lift from $RP(2)$ to $S^2$?
added 1 character in body
May
30
revised $\dim$ $C(X,\mathbb{R})<\infty$ we need to show $|X|<\infty$,
added 1 character in body
May
30
revised prove that it's not provable
added 1 character in body
May
30
revised Riemann integrable and continuous almost everywhere.
edited title