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Graph Drawings with Few Slopes by Vida Dujmović; Matthew Suderman; David R. Wood is a Computer Science article available to read on EtoBox.

What is Graph Drawings with Few Slopes about?

The slope-number of a graph G is the minimum number of distinct edge slopes in a straight-line drawing of G in the plane. We prove that for Δ 5 and all large n, there is a Δ-regular n-vertex graph with slope-number at least n 1-8+ε Δ+4 . This is the best known lower bound on the slope-number of a graph with bounded degree. We prove upper and lower bounds on the slope-number of complete bipartite graphs. We prove a general upper bound on the slope-number of an arbitrary graph in terms of its bandwidth. It follows that the slope-number of interval graphs, cocomparability graphs, and AT-free graphs is at most a function of the maximum degree. We prove that graphs of bounded degree and bounded treewidth have slope-number at most O(log n). Finally we prove that every graph has a drawing with one bend per edge, in which the number of slopes is at most one more than the maximum degree. In a companion paper, planar drawings of graphs with few slopes are also considered.

Who reads Graph Drawings with Few Slopes?

Author

Vida Dujmović; Matthew Suderman; David R. Wood

Publisher

Elsevier Science; Elsevier ; Elsevier BV (ISSN 0925-7721)

Published

2007

Language

EN

Field

Computer Science (Physical Sciences)