William Chen grammars and derivations in trees and arborescences
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Publication:1380707
zbMath0886.05005MaRDI QIDQ1380707
Publication date: 12 March 1998
Published in: Séminaire Lotharingien de Combinatoire (Search for Journal in Brave)
Full work available at URL: https://eudml.org/doc/119293
Related Items (28)
Unnamed Item ⋮ Context-free grammars for permutations and increasing trees ⋮ A context-free grammar for peaks and double descents of permutations ⋮ Eulerian polynomials, Stirling permutations of the second kind and perfect matchings ⋮ Enumeration of permutations by number of alternating runs ⋮ A unified approach to multivariate polynomial sequences with real stability ⋮ The Dumont ansatz for the Eulerian polynomials, peak polynomials and derivative polynomials ⋮ Context-free grammars, generating functions and combinatorial arrays ⋮ A grammatical calculus for peaks and runs of permutations ⋮ Stirling permutation codes ⋮ Triangular recurrences, generalized Eulerian numbers, and related number triangles ⋮ Excedance-type polynomials, gamma-positivity and alternatingly increasing property ⋮ Eulerian polynomials and the 𝑔-indices of Young tableaux ⋮ Context-free grammars for several polynomials associated with Eulerian polynomials ⋮ Unnamed Item ⋮ A context-free grammar for the \(e\)-positivity of the trivariate second-order Eulerian polynomials ⋮ Several variants of the Dumont differential system and permutation statistics ⋮ A context-free grammar for the Ramanujan-Shor polynomials ⋮ Some combinatorial arrays generated by context-free grammars ⋮ Statistics on multipermutations and partial \(\gamma\)-positivity ⋮ Joint distributions of permutation statistics and the parabolic cylinder functions ⋮ Context-Free Grammars and Stable Multivariate Polynomials over Stirling Permutations ⋮ Alternating Eulerian polynomials and left peak polynomials ⋮ \(\gamma\)-positivity and partial \(\gamma\)-positivity of descent-type polynomials ⋮ The \(1/k\)-Eulerian polynomials of type \(B\) ⋮ Normal ordering problem and the extensions of the Stirling grammar ⋮ Some combinatorial arrays related to the Lotka-Volterra system ⋮ The projective translation equation and unramified 2-dimensional flows with rational vector fields
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