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7:23 AM
A newly created tag. Is there some reason to keep it separate from ? If not, perhaps it could be a synonym?
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Q: Have You Seen My Matroid?

Nicholas ProudfootLet $M(n,k)$ be the matroid on the ground set $\{\pm 1,\ldots,\pm n\}$ for which a set is independent if and only if it contains at most $k$ pairs $\pm i$. Note that the signed permutation group (the Coxeter group of type $B_n$) acts on this matroid. Question: Does this matroid have a name? H...

 
 
2 hours later…
9:02 AM
I wonder whether it would be suitable to have a separate tag for MathOverflow as non-profit organization (as opposed to MO as a website). I suppose a separate tag for donations would be too specialized, but for the "organization tag" there are a few question which would fit.
Just from the recently bumped or the ones linked to them:
 
9:32 AM
Maybe something like ?
 

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