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zbMATH Open
Article . 1980
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Mathematics of Computation
Article . 1980 . Peer-reviewed
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Mathematics of Computation
Article . 1980 . Peer-reviewed
Data sources: Crossref
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A Special Class of Bell Polynomials

A special class of Bell polynomials
Authors: Howard, F. T.;

A Special Class of Bell Polynomials

Abstract

We examine the integersV(n,k)V(n,k)defined by means of\[k!∑n=0∞V(n,k)xn/n!=[x(ex+1)−2(ex−1)]k,k!\sum \limits _{n = 0}^\infty {V(n,k){x^n}/n! = {{[x({e^x} + 1) - 2({e^x} - 1)]}^k},}\]and, in particular, we show how these integers are related to the Bernoulli, Genocchi and van der Pol numbers, and the numbers generated by the reciprocal ofex−x−1{e^x} - x - 1. We prove that theV(n,k)V(n,k)are also related to the numbersW(n,k)W(n,k)defined by\[k!∑n=0∞W(n,k)xn/n!=[(x−2)(ex−1)]kk!\sum \limits _{n = 0}^\infty {W(n,k){x^n}/n! = {{[(x - 2)({e^x} - 1)]}^k}}\]in much the same way the associated Stirling numbers are related to the Stirling numbers. Finally, we examine, more generally, the Bell polynomialsBn,k(a1,a2,3−α,4−α,5−α,…){B_{n,k}}({a_1},{a_2},3 - \alpha ,4 - \alpha ,5 - \alpha , \ldots )and show how the methods of this paper can be used to prove several formulas involving the Bernoulli and Stirling numbers.

Keywords

van der Pol numbers, exponential partial Bell polynomial, Exact enumeration problems, generating functions, Bell and Stirling numbers, associated Stirling numbers, Bernoulli and Euler numbers and polynomials, Genocchi number, Bernoulli numbers

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
15
Top 10%
Top 10%
Average
bronze