Kevin P. Costello

Member for 14 years, 6 months
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Riverside, CA

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If you break a stick at two points chosen uniformly, the probability the three resulting sticks form a triangle is 1/4. Is there a nice proof of this?

Oct 23, 2009

65

Tweetable Mathematics

Apr 26, 2017

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What's a nice argument that shows the volume of the unit ball in $\mathbb R^n$ approaches 0?

Dec 9, 2009

24

Cauchy-Schwarz and pigeonhole

Oct 15, 2009

23

What are your favorite instructional counterexamples?

Feb 9, 2017

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When does a pointwise CLT hold?

Nov 16, 2009

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If you break a stick at two points chosen uniformly, the probability the three resulting sticks form a triangle is 1/4. Is there a nice proof of this?

+20

How to efficiently sample uniformly from the set of $p$-partitions of an $n$-set?

+10

A coupon collector-ish question

+10

Cauchy-Schwarz and pigeonhole

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