Preprint in the OpenAI Math release
Elementary positivity of chromatic quasisymmetric functions
OpenAI
Abstract
We prove that the chromatic quasisymmetric function of every natural unit interval graph is elementary-positive over . This resolves the elementary-positivity part of the Shareshian–Wachs conjecture.
open until 1 Jan 2028
est. 50% chance this result is independently verified by the end of 2027.
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