User Ludwig - MathOverflow Meta

Ludwig

Member for 8 years, 2 months
Last seen more than 1 year ago

Berlin, Germany

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I'm interested in both pure and applied math.

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29

Unconventional examples of mathematical modelling

22

Literary works authored by mathematicians

18

A seemingly simple inequality

16

The number of 0-1 normal matrices

15

$\sum\limits_i a_i^2\sum\limits_i b_i^2+\left(\sum\limits_ia_i b_i\right)^2\geq \sqrt{\sum\limits_i a_i^4\sum\limits_i b_i^4}+\sum\limits_ia_i^2b_i^2$