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Results tagged with functional-equations
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user 146723
3
votes
0
answers
218
views
Criteria for $f(f(x))=g(x)$
I 'm searching about the solvability of the functional equation $f(f(x))=g(x)$. I have three questions about it:
Let's be $g$ an arbitrary function and the functional equation $f(f(x))=g(x)$. Are th …
- 189
2
votes
0
answers
58
views
book recommendation about iterative functional equations [closed]
I would like to learn about iterative functional equations.
I read this book, but it doesn't include such functional equations. I tried this, but it was too general for my purpose. Finally I read th …
- 189