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The freeness conjecture for the Hopf monoid of acyclic orientations
Let $\mathbf{g}$ be a positive graphical species, and let $\overrightarrow{\mathbf{A}}$ denote the graphical species of acyclic orientations. Write $\circ$ for the composition prod…
Conjectureopencombinatorial-species graphical-species hopf-monoidsarXiv posted 2 days ago

The freeness conjecture for the Hopf monoid of acyclic orientations