On Sat, 25 Oct 2008, John Denker wrote:
On 10/25/2008 04:40 AM, IanG gave us some additional information.
Even so, it appears there is still some uncertainty as to
interpretation, i.e. some uncertainty as to the requirements
and objectives.
I hereby propose a new scenario. It is detailed enough to
be amenable to formal analysis. The hope is that it will
satisfy the requirements and objectives ... or at least
promote a more precise discussion thereof.
We start with a group comprising N members (machines or
persons). Each of them, on demand, puts out a 160 bit
word, called a "member" word. We wish to combine these
to form a single word, the "group" word, also 160 bits
in length.
<snip>
If you are interested in something with a formal analysis, you should
check out work on (single-source or multiple-source) extractors.
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