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File:Self-trial ribbon graph.svg

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Summary

Description
English: A ribbon graph with one vertex (yellow), three edges, and one face, representing an embedding onto the projective plane
Date
Source Own work
Author David Eppstein

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I, the copyright holder of this work, hereby publish it under the following license:
Creative Commons CC-Zero This file is made available under the Creative Commons CC0 1.0 Universal Public Domain Dedication.
The person who associated a work with this deed has dedicated the work to the public domain by waiving all of their rights to the work worldwide under copyright law, including all related and neighboring rights, to the extent allowed by law. You can copy, modify, distribute and perform the work, even for commercial purposes, all without asking permission.

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13 December 2017

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Date/TimeThumbnailDimensionsUserComment
current11:27, 13 December 2017Thumbnail for version as of 11:27, 13 December 2017269 × 204 (1 KB)David EppsteinUser created page with UploadWizard

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