English
Related papers

Related papers: Cauchy numbers in type $B$

200 papers

Poly-Cauchy numbers with level $2$ are defined by inverse sine hyperbolic functions with the inverse relation from sine hyperbolic functions. In this paper, we show several convolution identities of poly-Cauchy numbers with level $2$. In…

Number Theory · Mathematics 2020-03-31 Takao Komatsu

In the paper, 2 explicit formulas for the Euler numbers of the second kind are obtained. Based on those formulas a exponential generating function is deduced. Using the generating function some well-known and new identities for the Euler…

Combinatorics · Mathematics 2018-02-27 Dmitry V. Kruchinin , Vladimir V. Kruchinin

In the paper, the author finds an explicit formula for computing Bell numbers in terms of Lah numbers and Stirling numbers of the second kind.

Combinatorics · Mathematics 2016-10-07 Feng Qi

In this paper, by using some families of special numbers and polynomials with their generating functions, we give various properties of these numbers and polynomials. These numbers are related to the well-known numbers and polynomials,…

Combinatorics · Mathematics 2023-02-24 Yilmaz Simsek

The aim of this paper is to study the $\lambda$-Stirling numbers of both kinds which are $\lambda$-analogues of Stirling numbers of both kinds. Those numbers have nice combinatorial interpretations when $\lambda$ are positive integers. If…

Number Theory · Mathematics 2023-08-21 Dae san Kim , Hye Kyung Kim , Taekyun Kim

This paper introduces a novel generalization of Stirling and Lah numbers, termed ``heterogeneous Stirling numbers," which smoothly interpolate between these classical combinatorial sequences. Specifically, we define heterogeneous Stirling…

General Mathematics · Mathematics 2025-04-01 Taekyun Kim , Dae San Kim

We present various identities in the form of convolutions involving Stirling numbers of both kinds, Lah numbers, and binomial coefficients. Certain convolution polynomials are discussed also. The proofs are based on several series…

Combinatorics · Mathematics 2021-03-30 Khristo N. Boyadzhiev

In this note, we present several identities involving binomial coefficients and the two kind of Stirling numbers.

Combinatorics · Mathematics 2009-11-03 L. C. Hsu

We introduce poly-Cauchy permutations that are enumerated by the poly-Cauchy numbers. We provide combinatorial proofs for several identities involving poly-Cauchy numbers and some of their generalizations. The aim of this work is to…

Combinatorics · Mathematics 2021-05-12 Beáta Bényi , José Luis Ramírez

We introduce the associated Lah numbers. Some recurrence relations and convolution identities are established. An extension of the associated Stirling and Lah numbers to the r-Stirling and r-Lah numbers are also given. For all these…

Combinatorics · Mathematics 2016-11-02 Hacene Belbachir , Imad Eddine Bousbaa

In 1935 Carlitz introduced Bernoulli-Carlitz numbers as analogues of Bernoulli numbers for the rational function field $\mathbb F_r(T)$. In this paper, we introduce Cauchy-Carlitz numbers as analogues of Cauchy numbers. By using…

Number Theory · Mathematics 2021-03-01 Hajime Kaneko , Takao Komatsu

In this paper, we derive novel formulas and identities connecting Cauchy numbers and polynomials with both ordinary and generalized Stirling numbers, binomial coefficients, central factorial numbers, Euler polynomials, $r$-Whitney numbers,…

Combinatorics · Mathematics 2025-10-07 José L. Cereceda

In the paper, the authors establish explicit formulas for the Dowling numbers and their generalizations in terms of generalizations of the Lah numbers and the Stirling numbers of the second kind. These results gen- eralize the Qi formula…

Stirling numbers, which count partitions of a set and permutations in the symmetric group, have found extensive application in combinatorics, geometry, and algebra. We study analogues and q-analogues of these numbers corresponding to the…

Combinatorics · Mathematics 2022-05-30 Bruce E. Sagan , Joshua P. Swanson

Stirling numbers of both kinds are linked to each other via two combinatorial identities due to Schl\"afli and Gould. Using q-analogs of Stirling numbers defined as inversion generating functions, we provide q-analogs of the two identities.…

Combinatorics · Mathematics 2018-09-20 Matthieu Josuat-Vergès

Several combinatorial identities are presented, involving Stirling functions of the second kind with a complex variable. The identities involve also Stirling numbers of the first kind, binomial coefficients and harmonic numbers.

Combinatorics · Mathematics 2016-10-10 Khristo N. Boyadzhiev

The aim of this article is to define some new families of the special numbers. These numbers provide some further motivation for computation of combinatorial sums involving binomial coefficients and the Euler kind numbers of negative order.…

Number Theory · Mathematics 2018-05-16 Yilmaz Simsek

In this paper, we derive some identities involving special numbers and moments of random variables by using the generating functions of the moments of certain random variables. Here the related special numbers are Stirling numbers of the…

Number Theory · Mathematics 2018-02-06 Taekyun Kim , Yonghong Yao , Dae San Kim , Hyuck-In Kwon

We give continued fraction expansions of the generating functions of Bernoulli numbers, Cauchy numbers, Euler numbers, harmonic numbers, and their generalized or related numbers. In particular, we focus on explicit forms of the convergents…

Number Theory · Mathematics 2020-02-25 Takao Komatsu

We derive two new identities involving the Bernoulli numbers, the Euler numbers, and the Stirling numbers of the first kind using analytic continuation of a well known identity for the Stirling numbers of the first kind.

Combinatorics · Mathematics 2020-02-18 Sumit Kumar Jha