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The signed Eulerian numbers

✍ Scribed by Jacques Désarménien; Dominique Foata


Publisher
Elsevier Science
Year
1992
Tongue
English
Weight
478 KB
Volume
99
Category
Article
ISSN
0012-365X

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📜 SIMILAR VOLUMES


Graphical Eulerian numbers and chromatic
✍ Ioan Tomescu 📂 Article 📅 1987 🏛 Elsevier Science 🌐 English ⚖ 217 KB

In this paper some further properties of the coefficients of a chromatic generating function introduced by Linial are proved. A combinatorial interpretation of these numbers is given by specializing some results of Stanley on posets to surjective n-colorings of a graph G of order n compatible with l

Recurrences and formulae in an extension
✍ David Magagnosc 📂 Article 📅 1980 🏛 Elsevier Science 🌐 English ⚖ 114 KB

In this paper, the author develops a general formnla for numbers which are extensions of the Eulerian numbers. A~'n, r) is defined to be the number of n-permutations with r rises of magnitude at least m. Intermediate steps in the derivation include a vertical recurrence ~elation. recurrence relation