Tag Archives: Reversion

The Refined Lives of the F- and H-Vectors of Associahedra

Posted on November 9, 2008 by Tom Copeland

The compositional inversions noted in the Oct. 9-th entry “Flipping Functions with Permutohedra” have counterparts with respect to the associahedra, or Stasheff polytopes. The h-polynomials of the simplicial complexes dual to the associahedra (see the Narayana number triangle OEIS-A001263) can … Continue reading →

Posted in Math | Tagged Associahedra, exponential generating function, face polynomials, H polynomials, Inversion, Lagrange inversion, Ordinary generating function, Permutahedra, Permutohedra, Reciprocal, Reversion, Stasheff polytopes | Leave a comment

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Tag Archives: Reversion

The Refined Lives of the F- and H-Vectors of Associahedra

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