The Ratio Monotonicity of the $q$-Derangement Numbers

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dc.creatorChen, William Y. C.
dc.creatorXia, Ernest X. W.
dc.date2007-08-20
dc.date2007-10-04
dc.date.accessioned2026-07-07T08:33:39Z
dc.date.available2026-07-07T08:33:39Z
dc.descriptionWe show that the $q$-derangement numbers satisfy a ratio monotone property, which is analogous to the log-concavity and is stronger than the spiral property and the unimodality.
dc.description16 pages. log-concavity possibly except for one term is added as a corollary
dc.identifierhttps://arxiv.org/abs/0708.2572
dc.identifierhttp://arxiv.org/abs/0708.2572
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/139205
dc.subjectCombinatorics
dc.titleThe Ratio Monotonicity of the $q$-Derangement Numbers
dc.typetext

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