# Planar graph

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Planar graph - Wikipedia, the free encyclopedia

Dilation-Free Planar Graphs

Donald Knuth's Annual Christmas Tree Lecture: Planar Graphs and Ternary Trees

Introductory Graph Theory by Gary Chartrand Clear, lively style covers all basics of theory and application, including mathematical models, elementary concepts of graph theory, transportation problems, connection problems, party problems, diagraphs and mathematical models, games and puzzles, graphs and social psychology, planar graphs and coloring problems, and graphs and other mathematics.

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Algorithms for Planar Graphs and Beyond from MIT http://courses.csail.mit.edu/6.889/fall11/lectures/L01.html

Braid theory - Wikipedia, the free encyclopedia

wolfgang weingart

The signed planar graph associated with a knot diagram.

Example of PMFG, a maximally filtered planar graph with vertices 300 stocks, selected among ordinary common shares listed in the American Stock Exchange market and edges associated with the structure of strongest correlations between stocks (in the time period from 1981 to 2010).