Timeline for What is the cardinality of the family of unlabelled bipartite graphs on n vertices?
Current License: CC BY-SA 3.0
3 events
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| Feb 5, 2013 at 19:05 | comment | added | Samuel Vidal | I've checked the combinatorial description which is ok (the isomorphisms of species) The computation is wrong and I 'm not sure how to do it right. There is a description of the functorial composition of species in the book on species but it is hard to work out. | |
| Feb 3, 2013 at 17:41 | history | edited | Samuel Vidal | CC BY-SA 3.0 |
added 333 characters in body
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| Feb 3, 2013 at 17:06 | history | answered | Samuel Vidal | CC BY-SA 3.0 |