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2
questions
2
votes
2
answers
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Combining kindergardeners in 'fair' cookie-baking groups. Kirkman's schoolgirl problem extended version
I am coordinating cookie-baking events with kindergarten kids. This turns out to be a challenging problem, and I could use a little help:
We would like a general way of creating 'fair' cookie-baking ...
- 123
15
votes
2
answers
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Domination problem with sets
Let $M$ be a non-empty and finite set, $S_1,...,S_k$ subsets
of $M$, satisfying:
(1) $|S_i|\leq 3,i=1,2,...,k$
(2) Any element of $M$ is an element of at least $4$ sets among
$S_1,....,...
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