User Jean Marie Becker - French Language Stack Exchange

Jean Marie Becker

Member for 6 years, 5 months
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Feb 5, 2021
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Jun 17, 2017

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108

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

39

What are the properties of eigenvalues of permutation matrices?

39

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

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