User Jean Marie Becker - French Language Stack Exchange

Jean Marie Becker

Member for 5 years, 9 months
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Feb 5, 2021
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Jun 17, 2017

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106

Why does Friedberg say that the role of the determinant is less central than in former times?

39

Find all functions $f$ such that $f(x)+f(\frac{1}{1-x})=x$

37

What are the properties of eigenvalues of permutation matrices?

25

Is it possible to have a $3 \times 3$ matrix that is both orthogonal and skew-symmetric?

23

Fibonacci sequence and other metallic sequences emerged in the form of fractions