File:Contraction vertices.jpg

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	Date/Time	Thumbnail	Dimensions	User	Comment
current	23:50, 3 September 2010		632 × 354 (16 KB)	Jxfeng	{{Information \|Description={{en\|1=An example of contraction of two vertices in a graph}} \|Source={{own}} \|Author=Jxfeng \|Date=2010-09-03 \|Permission= \|other_versions= }}

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