01/30/2009, 08:58 AM

There is an interesting thread in sci.math-newsgroup, which focuses now the existence of half-iterates, if f: R->R is considered and oscillating fixpoints f(q) = p, f(p)=q are given. It's a discussion about general functions, not specifically tetration.

Gottfried

Gottfried

Gottfried Helms, Kassel