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Mathematics
Martin Thoma's user avatar
Martin Thoma's user avatar
Martin Thoma's user avatar
Martin Thoma
  • Member for 13 years, 5 months
  • Last seen more than a week ago
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About

I also have a blog about Code, the Web and Cyberculture and a career profile on Stackoverflow.

My interests are mainly , , .

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Top posts
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290
Visually stunning math concepts which are easy to explain
Apr 5, 2014
146
When is matrix multiplication commutative?
Jul 13, 2012
64
Why do the French count so strangely?
May 14, 2013
63
Is the power set of the natural numbers countable?
Oct 31, 2011
45
Percentage of primes among the natural numbers
Nov 14, 2011
34
Is a vector space over a finite field always finite?
Sep 7, 2012
27
Why are Vandermonde matrices invertible?
Jun 22, 2013
26
Why is the gradient always perpendicular to level curves?
Jul 26, 2016
22
Can a function that has uncountable many points of discontinuity be integrable?
Dec 6, 2012
18
How is the distance of two random points in a unit hypercube distributed?
Oct 20, 2016
Top network posts
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359
What is pip's `--no-cache-dir` good for?
356
How to increase swap space?
340
How are glob.glob()'s return values ordered?
319
How can I create a zip archive of a whole directory via terminal without hidden files?
287
How do I fix 'ImportError: cannot import name IncompleteRead'?