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Real-valued functions of real variable, analytic properties of functions and sequences, limits, continuity, smoothness of these.

7 votes
2 answers
785 views

Mapping exponentiation onto addition

I was inspired by Does there exist a function which converts exponentiation into addition? to think about mapping exponentiation onto addition. The question asks whether there exists $f:\mathbb{R}\rig …
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0 votes
0 answers
52 views

How to know if two special functions are related by an elementary function?

Suppose I have two special functions $f_1$ and $f_2$. Is there an algorithm which can tell me whether there exists elementary $g$ such that $f_1 = g\circ f_2$? Furthermore, is there any possibility to …
Jojo's user avatar
  • 333