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A proof of the Multiplicative 1-2-3 Conjecture. - List homomorphisms to separable signed graphs. - Comparability graphs among Cover-Incomparability graphs. - Complexity of Paired Domination in AT-free and Planar 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.