Timeline for Finding f such that f(f(x))=g(x) given g
Current License: CC BY-SA 3.0
5 events
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| Sep 4, 2017 at 20:35 | comment | added | Richard Stanley | See also Enumerative Combinatorics, vol. 2, Exercise 5.52. However, these formal solutions might have radius of convergence 0, even for nice functions such as $g(x)=e^x-1$. | |
| Apr 13, 2017 at 12:58 | history | edited | CommunityBot |
replaced http://mathoverflow.net/ with https://mathoverflow.net/
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| Feb 15, 2016 at 5:54 | comment | added | Gottfried Helms | @DanielGeisler - I've seen that series first time in L. Comtet, Advanced Combinatorics, and in the 5'th edition it was -I think- around pages 140-144 and this was, as I vaguely remember, even visible in google-books. | |
| Mar 31, 2014 at 4:48 | comment | added | user37691 | I am unfamiliar with the use of your series for iterated functions. Do you have a reference for it being used with iterated functions? The series makes no mention of fixed points, yet they shape the dynamics in their neighborhood. | |
| Mar 17, 2014 at 5:31 | history | answered | Anixx | CC BY-SA 3.0 |