coloring

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coloring

[′kəl·ər·iŋ]
(mathematics)
An assignment of colors to the vertices of a graph so that adjacent vertices are assigned different colors.
References in periodicals archive ?
We have seen that ideal colorings can be defined by subgraph characterizations.
At this moment, we define the coloring function [tau] as following:
to IRI, nearly half of mass market hair coloring sales, some $456
The skin absorbs the chemicals in hair colorings during the application process, she adds.
com/research/6764fe/the_world_natural) has announced the addition of the "The World Natural Coloring Agents Market: Market, Technology, Positioning, Buying price, Legislation, Principal distributors and Producers" report to their offering.
Skulrattanakulchai, Acyclic colorings of subcubic graphs, Information Processing Letters 92
hair coloring for women generated $413 million in sales
BIOCOLOR's product offerings include natural colorings for the beverage industry (alcoholic beverages, soft drinks and powder beverages); the meat industry; snacks (pre-extrusion, slurry and powder cheese colors); margarine; the dairy industry (cheese, yogurt, milk, desserts, etc.
The author constructed graphs, for which optimal compact circular colorings are determined and graphs, for which it is proved that there are no compact circular colorings.
Hair coloring items are also becoming increasingly important.
The list of synthetic ingredients and flavoring or coloring additives was long and included calcium disodium EDTA, MSG, synthetic sweeteners, hydrogenated oils/trans fats, and hydrolyzed vegetable protein, among many others.
Although the $550 million hair coloring market has been virtually flat in terms of overall growth, with unit sales off by 1% in 1991 and dollar sales up by just about 3%, there have been some bright spots.