[FOM] Analyticity of half-exponentials

[Timothy Y. Chow]

Joe Shipman wrote:
> > "For the equation
> >(*)              f^2(x) = e^x,
> >a real analytic solution has been found by H. Kneser.
[...]
> I'm trying to ask as precisely focused a question as possible, but I 
> cannot tell from your reply whether the answer to my original question 
> is "yes", "no", or "open".

I have made Kneser's paper available at

http://alum.mit.edu/www/tchow/kneser.pdf

Unfortunately, since I don't read German, I can't answer your question 
directly, but presumably the answer is in there somewhere.

Tim