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Combinatorics and Graph Theory. Diperfect Graphs. - A form invariant multivariable polynomial representation of graphs. - In search of a complete invariant for graphs. - Affine triple systems. - Tables of two-graphs.
When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.