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Coloring graphs without short cycles and long induced paths.

Golovach, P.A. and Paulusma, Daniel and Song, J. (2011) 'Coloring graphs without short cycles and long induced paths.', in Fundamentals of computation theory, 18th International Symposium (FCT 2011), 22-25 August 2011, Oslo, Norway ; proceedings. Berlin: Springer, pp. 193-204. Lecture notes in computer science. (6914).

Abstract

The girth of a graph G is the length of a shortest cycle in G. For any fixed girth g ≥ 4 we determine a lower bound ℓ(g) such that every graph with girth at least g and with no induced path on ℓ(g) vertices is 3-colorable. In contrast, we show the existence of an integer ℓ such that testing for 4-colorability is NP-complete for graphs with girth 4 and with no induced path on ℓ vertices.

Item Type:Book chapter
Full text:Full text not available from this repository.
Publisher Web site:http://dx.doi.org/10.1007/978-3-642-22953-4_17
Record Created:03 Jan 2012 15:35
Last Modified:03 Apr 2013 16:18

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