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Possible database queries for perfect matchings: search your data / browse all statistics / browse all maps

1. Definition & Example

The three perfect matchings of $\{1,2,3,4\}$

http://www.findstat.org/Graphics/api/Cc0012_0_[(1,2),(3,4)].png

http://www.findstat.org/Graphics/api/Cc0012_0_[(1,3),(2,4)].png

http://www.findstat.org/Graphics/api/Cc0012_0_[(1,4),(2,3)].png

[(1,2),(3,4)]

[(1,3),(2,4)]

[(1,4),(2,3)]

2. Additional information

3. References

[CM]   Benoit Collins and Sho Matsumoto, On some properties of orthogonal Weingarten functions, arXiv:0903.5143.

4. Sage examples

5. Technical information for database usage