NikolajK
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Questions (144)

 46 What is the algebraic structure of functions with fixed points? 44 Is there a function with the property $f(n)=f^{(n)}(0)$? 37 What is the function space generated by addition and $(a,b)\mapsto (a+b)^{-1}\cdot a\cdot b$ of elements and their inverses? 32 What is an efficient nesting of mathematical theorems? 30 How to compute $\prod_{n=1}^\infty\left(1+\frac{1}{n!}\right)$?

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 +5 Given a set of digits, what is the biggest number we can make using exponentiation - numberphile noodle quiz +10 $\lim_{x\to 0^-} \frac{\pi x\log(x) + \pi x^2}{(x^2-1)^2}$ should not be defined, right? +5 Are there n-th roots of differential operators? +5 How or why does intutionistic logic proof negations from within the theory, constructively?

 16 “Immediate” Applications of Differential Geometry 15 lim sup and lim inf of sequence of sets. 13 Computing $\lim_{s \to 1} \Gamma \left(\frac{1-s}{2}\right) (s-1)$ 12 Solving for $x$: $1=\frac{1}{x}+\frac{1}{1+\frac{1}{x}}+\frac{1}{1+\frac{1}{1+\frac{1}{x}}}+\cdots$ 11 If $A^2 = I$ (Identity Matrix) then $A = \pm I$

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 38 soft-question × 18 23 elementary-set-theory × 11 35 sequences-and-series × 23 20 complex-analysis × 13 35 linear-algebra × 11 20 limits × 9 29 calculus × 20 17 real-analysis × 19 24 matrices × 8 15 gamma-function × 3

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