The \((t,q)\)-analogs of secant and tangent numbers

zbMath1233.05041MaRDI QIDQ540137

Guo-Niu Han, Foata, Dominique

Publication date: 1 June 2011

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

Full work available at URL: https://eudml.org/doc/224888

zbMATH Keywords

inversion numberalternating permutationsexcedance number\((t, q)\)-secant numbers\((t, q)\)-tangent numbers\(q\)-secant numbers\(q\)-tangent numbersinverse major indexlec-statisticpix

Mathematics Subject Classification ID

(q)-calculus and related topics (05A30) Exponential and trigonometric functions (33B10)

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