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Paper detail

A Note on Altermatic Number

In view of Tucker's lemma (an equivalent combinatorial version of the Borsuk- Ulam theorem), the present authors (2013) introduced the kth altermatic number of a graph G as a tight lower bound for the chromatic number of G. In this note, we present a purely combinatorial proof for this result.

preprint2015arXivOpen access
Meysam AlishahiHossein Hajiabolhassan
math.CO
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Meysam AlishahiHossein Hajiabolhassan

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