On intervals in some posets of forests
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We compute the characteristic polynomials of intervals in some posets of leaf-labeled forests of rooted binary trees.
[1] F. Chapoton. A Hopf Operad of Forests of Binary Trees and Related Finite-Dimensional Algebras , 2002, math/0209038.
[2] R. Stanley. What Is Enumerative Combinatorics , 1986 .
[3] B. Sagan. Why the characteristic polynomial factors , 1998, math/9812136.