# Thomas Andrews

Cambridge, MA

thomasoandrews.com

"Absent-minded" is what they call you when you are a very smart idiot.

(Photo of statue of Nathaniel Bowditch, early 19th century mathematician, astronomer, pioneer of scientific navigation.)

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## Awfully sophisticated proof for simple facts

Aug 29 '15 at 22:06

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## How does Tree(3) grow to get so big? Need laymen explanation.

Nov 16 '15 at 7:47

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## How to prove that $\sum\limits_{n=1}^{\infty}n\prod\limits_{k=1}^{n}\frac{1}{1+ka} = \frac{1}{a}$?

Oct 18 '15 at 6:23

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## Show that $e^{x+y}=e^xe^y$ using $e^x=\lim_{n\to\infty }\left(1+\frac{x}{n}\right)^n$.

Dec 8 '15 at 23:35

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## An inequality from Littlewood's Miscellany

Jun 12 '13 at 7:21

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## Problem about subsets of $\{1, 2,\dots,n\}$

Mar 20 '13 at 21:18

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## Group theory intricate problem

Jun 27 '11 at 19:13

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## Finding the maximum value of $ab+ac+ad+bc+bd+3cd$

Dec 25 '15 at 10:21

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## generalization of the Jordan curve theorem

Jun 26 '11 at 17:56

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## There are $n$ horses. At a time only $k$ horse can run in the single race. How many minimum races are required to find the top $m$ fastest horses?

Jan 19 '13 at 13:12

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