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Open Accesshttps://doi.org/10.1090/proc/15391
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Cite Publication Date: Feb 24, 2021 | |
 Citations: 3 |  License type: publisher-specific-oa |
We characterize k k –colorability of a simplicial graph via the intrinsic algebraic structure of the associated right-angled Artin group. As a consequence, we show that a certain problem about the existence of homomorphisms from right-angled Artin groups to products of free groups is NP–complete.
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