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Jun
17
revised How to obtain $f(x)$, if it is known that $f(f(x))=x^2+x$?
added 1379 characters in body
Jun
17
revised How to obtain $f(x)$, if it is known that $f(f(x))=x^2+x$?
added 67 characters in body
Jun
17
revised How to obtain $f(x)$, if it is known that $f(f(x))=x^2+x$?
added 63 characters in body
Jun
17
revised How to obtain $f(x)$, if it is known that $f(f(x))=x^2+x$?
added 9320 characters in body
Jun
10
revised With infinite size, we can have $P \cdot M = M \cdot D $ (D diagonal) but where $M^{-1}$ does not exist. Can we say “P is diagonalizable”?
added 46 characters in body
Jun
10
revised What is the family of generating functions for the *rows* of this Stirling-number matrix for whose columns they are $\exp(\exp(x)-1)-1 $?
added 13 characters in body
Jun
10
revised What is the family of generating functions for the *rows* of this Stirling-number matrix for whose columns they are $\exp(\exp(x)-1)-1 $?
added 199 characters in body
Jun
4
revised Bernoulli numbers explicite form.
adapted title "explicite form" instead of "closed form" as in the question itself
Jun
1
revised Solutions of the equation $X^n-1\equiv 0$ (mod $m$)?
added 578 characters in body
Jun
1
revised Solutions of the equation $X^n-1\equiv 0$ (mod $m$)?
added 578 characters in body
Jun
1
revised Solutions of the equation $X^n-1\equiv 0$ (mod $m$)?
added 27 characters in body
Jun
1
revised Solutions of the equation $X^n-1\equiv 0$ (mod $m$)?
added 2 characters in body
Jun
1
revised Solutions of the equation $X^n-1\equiv 0$ (mod $m$)?
added 76 characters in body
Jun
1
revised Solutions of the equation $X^n-1\equiv 0$ (mod $m$)?
added 76 characters in body
Jun
1
revised Solutions of the equation $X^n-1\equiv 0$ (mod $m$)?
added 76 characters in body
Jun
1
revised Solutions of the equation $X^n-1\equiv 0$ (mod $m$)?
added 250 characters in body
May
24
revised How to make 4 (parametrized) points (in the complex plane) concentric?
added 251 characters in body
May
24
revised How to make 4 (parametrized) points (in the complex plane) concentric?
added 393 characters in body
May
14
revised In what sense does $\sum_{k=0}^{\infty} 2^{2k} = - {1 \over 3}$?
annotated the picture
May
8
revised Continuum between addition, multiplication and exponentiation?
added 1479 characters in body