Quote:
Originally Posted by magdon
Suppose
Then, .
In which case and the bound in Theorem A.1 is trivial.

Hello,
thanks for the answer. I understand this argument, however this holds also for
or for
Thus the value 1/4 is somehow magic for me.
Edit: I think you choose 1/4 because it is so easy to see, that the RHS of Theorem A.1 gets 1. Nevertheless with a different value you would get a different outcome of the final formula.