PropagatingNumber on PerfectMatching
Pairs with one point among the first n and the other among the last n, for a matching of 2n points.
Called as CombinatorialStat(x, "PropagatingNumber"). The head's page has its examples.
Live
FindStat St000819
The propagating number of a perfect matching.
| Object | Value |
|---|---|
[(1,2)] | 1 |
[(1,2),(3,4)] | 0 |
[(1,3),(2,4)] | 2 |
[(1,4),(2,3)] | 2 |
[(1,2),(3,4),(5,6)] | 1 |
[(1,2),(3,5),(4,6)] | 1 |
[(1,2),(3,6),(4,5)] | 1 |
[(1,3),(2,4),(5,6)] | 1 |
Data from FindStat, the combinatorial statistic finder; the page at findstat.org/St000819 has the rest.