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$\mathbf{ab}$-index of graded posets (Topic)

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"$\mathbf{ab}$-index of graded posets" is owned by mps.
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Other names:  ab-index, cd-index, $\mathbf{ab}$-index, $\mathbf{cd}$-index
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Cross-references: maximal element, Boolean algebra, terms, relations, polytope, convex, poset, variables, summing, elements, incident, vertex, edges, vertices, atoms, lattice, face, simple, chain, weight, formula, free associative algebra, polynomial, noncommutative, ring, coefficients, rank function, rank, graded poset
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This is version 3 of $\mathbf{ab}$-index of graded posets, born on 2006-03-17, modified 2007-03-07.
Object id is 7737, canonical name is MathbfabIndexOfGradedPosets.
Accessed 3384 times total.

Classification:
AMS MSC: 06A07 (Order, lattices, ordered algebraic structures :: Ordered sets :: Combinatorics of partially ordered sets)
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