MAKE A MEME View Large Image Petersen Wagner minors.svg graph minors of Wagner's theorem K<sub>5</sub> left and K<sub>3 3</sub> right in the nonplanar Petersen graph The Petersen graph is shown with the small colored disks as vertices and with solid black edges Its ...
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Keywords: Petersen Wagner minors.svg graph minors of Wagner's theorem K<sub>5</sub> left and K<sub>3 3</sub> right in the nonplanar Petersen graph The Petersen graph is shown with the small colored disks as vertices and with solid black edges Its minors shown in pale yellow may be formed by deleting the red vertex and contracting the edges that lie within a single yellow circle 2013-02-06 14 28 42 own David Eppstein cc-zero Files by User David Eppstein from en wikipedia Petersen graph
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