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math.CO2020
On recursively defined combinatorial classes and labelled trees
Ali Chouria, Vlad-Florin Drǎgoi, Jean-Gabriel Luque
We define and prove isomorphisms between three combinatorial classes involving labeled trees. We also give an alternative proof by means of generating functions.
cs.DM2020★ 5 cited
Tight Bounds on the Coeffcients of Consecutive -out-of-: Systems
Vlad-Florin Drăgoi, Simon R. Cowell, Valeriu Beiu
In this paper we compute the coefficients of the reliability polynomial of a consecutive--out-of-: system, in Bernstein basis, using the generalized Pascal coefficients. B…