Hello Conrad!
GREAT, now you get it!! And you are correct, asymetrical would be a better term.
This was a fleeting thought, I did not burn many ergs on it.
My only point was that it addresses one of the drawbacks of AIM; averaging down to zero.
If you would like to discuss this offline, let me know.
Regards,
Leap
P.S. I have not been able to locate the english version of your book.