"Kneser"-like mapping also for complex base?
#3
(11/05/2010, 09:56 AM)mike3 Wrote: Both fixed points are fixed points of the associated logarithm. This behavior suggests that it may be possible to form the tetrational at any complex base out of the two regular iterations of the two fixed points of logarithm.....
I think the case Mike brings up involves both an attracting fixed point and a repelling fixed point. In my earlier post, I was implicitly assuming two repelling fixed points.
Repelling fixed point
-1.135218577668813217726900190 - 1.989607927210830803666191570i
Attracting fixed point
0.5793702071827351250349231804 + 0.6472265454524960204764987313i

If we start with a solution from the repelling fixed point (which is guaranteed to be entire), and then we do a superfunction(z+theta(z)) kneser mapping, to allow sexp(0)=1, but the mapping would only be defined for 1/2 of the complex plane, due to the singularity in theta(z). There are infinitely many such mappings.

So I think the question is, can this mapping equal another theta(z) mapping of the solution from the attracting fixed point? Where the attracting fixed point mapping is defined on the other half of the complex plane, and the two mappings are equal at the real axis, with sexp(0)=1, sexp(1)=B.....
- Sheldon
Reply


Messages In This Thread
RE: "Kneser"-like mapping also for complex base? - by sheldonison - 11/07/2010, 01:37 PM

Possibly Related Threads…
Thread Author Replies Views Last Post
  Mixed-base tetration: five preprints, a faster fatou.gp fork, and a base-change calcu Lightrunner 0 344 07/15/2026, 08:33 AM
Last Post: Lightrunner
  Tetration with complex bases TetrationSheep 0 1,318 11/13/2025, 10:33 AM
Last Post: TetrationSheep
  Real tetration as a limit of complex tetration Daniel 5 11,036 06/20/2023, 07:52 PM
Last Post: tommy1729
  [2sinh] exp(x) - exp( - (e-1) x), Low Base Constant (LBC) 1.5056377.. tommy1729 3 6,773 04/30/2023, 01:22 AM
Last Post: tommy1729
  Real and complex tetration Daniel 13 20,192 04/04/2023, 10:25 AM
Last Post: JmsNxn
  Artificial Neural Networks vs. Kneser Ember Edison 5 8,316 02/22/2023, 08:52 PM
Last Post: tommy1729
  Evaluating Arithmetic Functions In The Complex Plane Caleb 6 10,367 02/20/2023, 12:16 AM
Last Post: tommy1729
  Range of complex tetration as real Daniel 2 5,864 10/22/2022, 08:08 PM
Last Post: Shanghai46
  From complex to real tetration Daniel 3 7,488 10/21/2022, 07:55 PM
Last Post: Daniel
  What are the types of complex iteration and tetration? Daniel 5 9,768 08/17/2022, 02:40 AM
Last Post: JmsNxn



Users browsing this thread: 1 Guest(s)