Tagging - 2014-08-13

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Martin Sleziak

4:58 AM

We have two separate tags on meta: exact-duplicates and duplicates. I have suggested a synonym.

Martin Sleziak

5:26 AM

Clearly I am not the only one who noticed (probably because they were used in the same question).

@MartinSleziak Isn't the duplicates tag a duplicate of exact-duplicates tag? I vote to close. — 900 sit-ups a day 8 mins ago

@900sit-upsaday I have already suggested a synonym. (And also mentioned this in chat.) — Martin Sleziak 6 mins ago

@MartinSleziak Upvoted synonym, three more votes needed. — 900 sit-ups a day 1 min ago

3 hours later…

Martin Sleziak

8:06 AM

homework 27860

14 hours later…

MJD

10:13 PM

I wanted to tag this question with tournaments, but we don't have that, so I thought oh, I'll tag it with block-designs, but we don't have that either. What do we have that fits?

Q: $24$ people in groups of $3$ where everyone meets exactly once at the end of some number of rounds

I was presented with this problem at work. Say you have $24$ people and $8$ tables in a room. You want to set people at these tables in groups of three such that during each new round (where people switch tables and partners) no one meets someone twice and by the end everyone has met everyone. A...