Non-monochromatic and conflict-free colorings on tree spaces and planar network spaces

Boris Aronov; Mark de Berg; Aleksandar Markovic; Gerhard Woeginger

doi:10.1007/s00453-019-00639-9

Non-monochromatic and conflict-free colorings on tree spaces and planar network spaces

Boris Aronov, Mark de Berg, Aleksandar Markovic (Corresponding author), Gerhard Woeginger

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Abstract

It is well known that any set of n intervals in R¹ admits a non-monochromatic coloring with two colors and a conflict-free coloring with three colors. We investigate generalizations of this result to colorings of objects in more complex 1-dimensional spaces, namely so-called tree spaces and planar network spaces.

Original language	English
Pages (from-to)	1081-1100
Number of pages	20
Journal	Algorithmica
Volume	82
Issue number	5
Early online date	31 Oct 2019
DOIs	https://doi.org/10.1007/s00453-019-00639-9
Publication status	Published - 1 May 2020

Keywords

Conflict-free coloring
Non-monochromatic coloring
Planar networks
Tree

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10.1007/s00453-019-00639-9

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AB - It is well known that any set of n intervals in R1 admits a non-monochromatic coloring with two colors and a conflict-free coloring with three colors. We investigate generalizations of this result to colorings of objects in more complex 1-dimensional spaces, namely so-called tree spaces and planar network spaces.

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Non-monochromatic and conflict-free colorings on tree spaces and planar network spaces

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Keywords

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