In the mathematical discipline of graph theory, the line graph of an undirected graph G is another graph L(G) that represents the adjacencies between edges of G. The name line graph comes from a paper by {harvtxt|Harary|Norman|1960} although both {harvtxt|Whitney|1932} and {harvtxt|Krausz|1943} used the construction before this.{sfnp|Hemminger|Bei...
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http://en.wikipedia.org/wiki/Line_graph
(from the article `combinatorics`) A complete graph is a graph with vertices, any two of which are adjacent. The line graph of a graph is a graph the vertices of which correspond ...
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http://www.britannica.com/eb/a-z/l/53
A graph in which successive points representing the value of a variable at selected values of the dependent variable are connected by straight lines. (e.g. unemployment rates among youth over the last ten years).
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http://www.encyclo.co.uk/local/20140
A graph that uses a line to show how data change over time
Example:
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https://www.encyclo.co.uk/local/20874
No exact match found.
