User Peter Woolfitt - MathOverflow

Peter Woolfitt

Member for 9 years, 7 months
Last seen more than 1 year ago

Atlanta, GA

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May 14, 2015
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Apr 30, 2015

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122

An example of a problem which is difficult but is made easier when a diagram is drawn

62

If the decimal expansion of $a/b$ contains "$7143$" then $b>1250$

61

Is the max of two differentiable functions differentiable?

45

Produce unique number given two integers

44

A riddle for 2015