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Wheel graphs. Date: 3 October 2006: Source: Self-made. Originally uploaded as PNG to en.wikipedia; description page is/was here. Author: David Eppstein: Permission (Reusing this file) Released into the public domain (by the author).
Wheel graphs are planar graphs, and have a unique planar embedding. More specifically, every wheel graph is a Halin graph. They are self-dual: the planar dual of any wheel graph is an isomorphic graph. Every maximal planar graph, other than K 4 = W 4, contains as a subgraph either W 5 or W 6.
This image shows the results of overlaying each of the above transparent PNG images on a background color of #6080A0. Note the gray fringes on the letters of the middle image. This shows how the above images would look when, for example, editing them. The grey and white check pattern would be converted into transparency.
The most important feature from the point of view of Wiki charts, is that Gnumeric charts can be exported as graphics simply by right clicking anywhere on the finished chart and selecting Save as Image. A range of formats is supported, including SVG and PNG. The accompanying population chart is a typical result.
DSatur is known to be exact for bipartite graphs, [1] as well as for cycle and wheel graphs. [2] In an empirical comparison by Lewis in 2021, DSatur produced significantly better vertex colourings than the greedy algorithm on random graphs with edge probability p = 0.5 {\displaystyle p=0.5} , while in turn producing significantly worse ...
Sometimes, using a symbolic image to convey a concept is more impactful than words. This page compiles examples of such images along with their corresponding files, making them easy to copy and use. You are welcome to utilize these examples and, if you wish—while accepting full responsibility—contribute to expanding this collection.
More than 100 pages use this file. The following list shows the first 100 pages that use this file only. A full list is available.. Acceptance; Acute stress reaction; Affect theory
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