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altermatic

Pronunciation: /ˌɒl.təˈmæt.ɪk/

The English word “altermatic” has 1 meaning listed here.

adjective

  1. Describing a certain combinatorial lower bound of a chromatic number of a graph.

Etymology

Coined by mathematicians Meysam Alishahiand and Hossein Hajiabolhassan in 2014 for the 2015 paper "On the chromatic number of general Kneser hypergraphs" as a blend of alternating + chromatic on the grounds that the chromatic bound is given by a longest subsequence in which every pair of consecutive terms differs (loosely, the subsequence "alternates").

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Definitions are from Wiktionary, extracted by Kaikki.org, and are available under the CC BY-SA 4.0 licence.