On log-concavity of a class of generalized Stirling numbers

zbMath1243.05041MaRDI QIDQ426877

Feng-Zhen Zhao

Publication date: 12 June 2012

Published in: The Electronic Journal of Combinatorics (Search for Journal in Brave)

Full work available at URL: http://www.emis.de/journals/EJC/ojs/index.php/eljc/article/view/v19i2p11

zbMATH Keywords

Stirling numberslog-convexitylog-concavity\(q\)-log-concavity\(q\)-log-convexity

Mathematics Subject Classification ID

Bell and Stirling numbers (11B73) Combinatorial inequalities (05A20) Special sequences and polynomials (11B83)

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Note on some restricted Stirling numbers of the second kind

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