http://dx.doi.org/10.4153/CMB-2011-008-5
Canad. Math. Bull. 54(2011), 217-229
Published:2011-02-10 Printed: Jun 2011
William Y. C. Chen, Center for Combinatorics, LPMC-TJKLC, Nankai University, Tianjin 300071, P. R. China
Larry X. W. Wang, Center for Combinatorics, LPMC-TJKLC, Nankai University, Tianjin 300071, P. R. China
Arthur L. B. Yang, Center for Combinatorics, LPMC-TJKLC, Nankai University, Tianjin 300071, P. R. China
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Abstract
We consider a class of
strongly $q$-log-convex polynomials based on a triangular recurrence
relation with linear coefficients, and we show that the Bell
polynomials, the Bessel polynomials, the Ramanujan polynomials and
the Dowling polynomials are strongly $q$-log-convex. We also prove
that the Bessel transformation preserves log-convexity.
| Keywords: |
log-concavity, $q$-log-convexity, strong $q$-log-convexity, Bell polynomials, Bessel polynomials, Ramanujan polynomials, Dowling polynomials
log-concavity, $q$-log-convexity, strong $q$-log-convexity, Bell polynomials, Bessel polynomials, Ramanujan polynomials, Dowling polynomials
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© Canadian Mathematical Society, 2013
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