1,147 reputation
37
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location Vancouver, Canada
age 24
visits member for 1 year, 5 months
seen May 28 at 2:03

If only... and only if...


Feb
15
awarded  Yearling
Dec
17
comment How to show that $g$ attains maximum at $0$ or $1$
@Stephen Montgomery-Smith Right, sorry about my stupid mistake.
Dec
16
revised How to show that $g$ attains maximum at $0$ or $1$
added 5 characters in body
Dec
16
comment How to show that $g$ attains maximum at $0$ or $1$
good idea! I just simplified a bit in the following.
Dec
16
answered How to show that $g$ attains maximum at $0$ or $1$
Dec
6
comment Blumenthal 0-1 law
@user112978 Sorry about this, for $B-C$ lemma $1$ cannot be applied here, and $B-C$ lemma $2$ requires independence.
Dec
6
comment Blumenthal 0-1 law
Thank you, @NateEldredge.
Dec
6
revised Blumenthal 0-1 law
added 342 characters in body
Dec
6
answered Blumenthal 0-1 law
Jul
10
comment About convergence of functions in $L_p$
what is $p$, $1<p<\infty$?
Jul
8
answered An inequality on $C^1$ periodic functions
Jul
2
revised Probability (arranging around a circle)
deleted 51 characters in body
Jul
2
comment Probability (arranging around a circle)
@user14111 Well, I should be more careful with $a_1$. I wonder how you obtain the formula for chromatic polynomial, is there a better way to solve this problem?
Jul
2
revised Probability (arranging around a circle)
added 113 characters in body
Jul
2
awarded  Enlightened
Jul
2
awarded  Nice Answer
Jul
2
comment Probability (arranging around a circle)
Yes, you are right. Maybe I need to begin with $a_2$ and $a_3$, but I think the method is correct, and it is 11 p.m. in my place. I will edit it the next day, thanks for your comment.
Jul
2
answered Probability (arranging around a circle)
Jun
30
revised $\varepsilon$-$\delta$ proof for inverse function
added 16 characters in body
Jun
30
answered $\varepsilon$-$\delta$ proof for inverse function