Terminology question

[Richard Guy]

Is C8 in UPINT and the refs there, of any help?  R.

On Thu, 24 Apr 2003, T. D. Noe wrote:

> Consider a set of n numbers a1,...,an.  Form the 2^n sums
> +-a1+-a2+-...+-an, and  examine the frequency of the sums.  Currently, I'm
> calling them extremal sums.  What is this subject called?  Can someone
> point me to some literature?  For a few interesting results along these
> lines, look at http://www.sspectra.com/math/Sums.html
> 
> Thanks,
> 
> Tony
>