The conjectured maximal-sink-set formula for Hessenberg cohomology coefficients
Let h:[n]→[n]h:[n]\to[n]h:[n]→[n] be a Hessenberg function, and let Γh\Gamma_hΓh be its associated graph. Let m=m(Γh)m=m(\Gamma_h)m=m(Γh) be the number of parts of the partition λ⊢n\lambda\vdash nλ⊢n. Let…