File:Mycielskian construction of 11-vertex Grotzsch graph.png

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Mycielskian_construction_of_11-vertex_Grotzsch_graph.png (702 × 261 pixels, file size: 25 KB, MIME type: image/png)

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Summary

Description
English: Mycielskian construction applied to a 5-cycle graph, producing the Grötzsch graph with 11 vertices and 20 edges, the smallest triangle-free 4-chromatic graph.
Date
Source Self-made, with modifications by Peter Magyar
Author David Eppstein
Permission
(Reusing this file)		 File:Grötzsch_graph_as_a_Mycielskian.svg
File:Grötzsch graph as a Mycielskian.svg is a vector version of this file. It should be used in place of this PNG file when not inferior.
File:Mycielskian construction of 11-vertex Grotzsch graph.png → File:Grötzsch graph as a Mycielskian.svg
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Other information
English: Changed vertex indices


Public domain This work has been released into the public domain by its author, David Eppstein. This applies worldwide.
In some countries this may not be legally possible; if so:
David Eppstein grants anyone the right to use this work for any purpose, without any conditions, unless such conditions are required by law.

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inception

29 October 2006

media type

image/png

data size

25,814 byte

height

261 pixel

width

702 pixel

checksum

cdce0a4a0d42a3fb0bfa96177e7e066f629db393

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Date/TimeThumbnailDimensionsUserComment
current20:48, 17 May 2018Thumbnail for version as of 20:48, 17 May 2018702 × 261 (25 KB)wikimediacommons>Magyar25{{subst:Upload marker added by en.wp UW}} {{Information |Description = {{en|Mycielskian construction applied to a 5-cycle graph, producing the Grötzsch graph with 11 vertices and 20 edges, the smallest triangle-free 4-chromatic graph.}} |Source = Self-made, with modifications by Peter Magyar |Date = 29 October 2006 |Author = David Eppstein |Permission = https://commons.wikimedia.org/wiki/File:Gr%C3%B6tzsch_graph_as_a_Mycielskian.svg }} ;Other information: {{en|Changed ...

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