File:Not upward planar.svg
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Summary
| Description |
English: A planar directed acyclic graph that has no upward planar drawing. In a planar DAG with a single source and sink, an upward drawing can exist only if the source and sink are both on the outer face of the drawing, but that is impossible for this graph. |
| Date | |
| Source | Own work |
| Author | David Eppstein |
Licensing
I, the copyright holder of this work, hereby publish it under the following license:
 
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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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File history
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 04:02, 4 August 2013 | | 252 × 180 (3 KB) | David Eppstein | User created page with UploadWizard |
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