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Results tagged with linear-extensions
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user 9672
For questions on linear extensions of posets.
4
votes
Linear Extension of the $n\times n$ lattice
The $n\times n$ lattice is the set $X_n :=\{(i,j)\mid 1\leq i,j\leq n\}$, partially ordered by $(i,j)\leq (k,l)$ if $i\leq k$ and $j\leq l$.
A linear extension of any poset $P$ (of cardinality $N$) i …
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