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Graph Theory

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Visit this site: http://www.math.niu.edu/~rusin/known-math/index/05CXX.html

Author:Dave Rusin; The Mathematical Atlas
Description: A short article designed to provide an introduction to graph theory. A graph is a set V of vertices and a set E of edges - pairs of elements of V. This simple definition makes Graph Theory the appropriate language for discussing (binary) relations on sets. Among the topics of interest are topological properties such as connectivity and planarity (can the graph be drawn in the plane?); counting problems (how many graphs of a certain type?); coloring problems (recognizing bipartite graphs, the Four-Color Theorem); paths, cycles, and distances in graphs (can one cross the Königsberg bridges exactly once each?). Many graph-theoretic topics are the object of complexity studies in computation (e.g. the Travelling Salesman problem, sorting algorithms, the graph-isomorphism problem). The theory also extends to directed, labelled, or multiply-connected graphs. History; applications and related fields and subfields; textbooks, reference works, and tutorials; software and tables; other web sites with this focus.

Levels: College
Languages: English
Resource Types: Articles
Math Topics: Group Theory, Graph Theory, Operations Research, Algebraic Topology

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