Results 1 to 10 of about 351,945 (274)

Umbral Methods and Harmonic Numbers

open access: yesAxioms, 2018
The theory of harmonic-based functions is discussed here within the framework of umbral operational methods. We derive a number of results based on elementary notions relying on the properties of Gaussian integrals.
Giuseppe Dattoli   +3 more
doaj   +8 more sources

Summation Formulas Involving Binomial Coefficients, Harmonic Numbers, and Generalized Harmonic Numbers [PDF]

open access: yesAbstract and Applied Analysis, 2014
A variety of identities involving harmonic numbers and generalized harmonic numbers have been investigated since the distant past and involved in a wide range of diverse fields such as analysis of algorithms in computer science, various branches of ...
Junesang Choi
doaj   +4 more sources

Harmonic numbers, harmonic series and zeta function [PDF]

open access: yesMoroccan Journal of Pure and Applied Analysis, 2018
This paper reviews, from different points of view, results on Bernoulli numbers and polynomials, the distribution of prime numbers in connexion with the Riemann hypothesis. We give an account on the theorem of G. Robin, as formulated by J. Lagarias.
Sebbar Ahmed
doaj   +2 more sources

On the denominators of harmonic numbers. IV [PDF]

open access: yesComptes Rendus. Mathématique, 2022
Let $\mathcal{L}$ be the set of all positive integers $n$ such that the denominator of $1+1/2+\cdots +1/n$ is less than the least common multiple of $1, 2, \dots , n$.
Wu, Bing-Ling, Yan, Xiao-Hui
doaj   +3 more sources

On Harmonic Complex Balancing Numbers

open access: yesMathematics, 2022
In the present work, we define harmonic complex balancing numbers by considering well-known balancing numbers and inspiring harmonic numbers. Mainly, we investigate some of their basic characteristic properties such as the Binet formula and Cassini ...
Fatih Yılmaz   +2 more
doaj   +2 more sources

Lerch-harmonic numbers related to Lerch transcendent

open access: yesMathematical and Computer Modelling of Dynamical Systems, 2023
Harmonic numbers and generalized harmonic numbers have been studied in connection with combinatorial problems, many expressions involving special functions in analytic number theory and analysis of algorithms.
Taekyun Kim   +3 more
doaj   +1 more source

Unitary Harmonic Numbers [PDF]

open access: yesProceedings of the American Mathematical Society, 1975
If d ∗ ( n ) {d^ \ast }(n) and σ ∗ ( n ) {\sigma ^ \ast }(n) denote the number and sum, respectively, of the unitary divisors of the natural number n n
Hagis, Peter jun., Lord, Graham
openaire   +1 more source

One Type of Symmetric Matrix with Harmonic Pell Entries, Its Inversion, Permanents and Some Norms

open access: yesMathematics, 2021
The Pell numbers, named after the English diplomat and mathematician John Pell, are studied by many authors. At this work, by inspiring the definition harmonic numbers, we define harmonic Pell numbers.
Seda Yamaç Akbiyik   +2 more
doaj   +1 more source

Polynomials related to harmonic numbers and evaluation of harmonic number series II [PDF]

open access: yesApplicable Analysis and Discrete Mathematics, 2011
In this paper we focus on r-geometric polynomials, r-exponential polynomials and their harmonic versions. It is shown that harmonic versions of these polynomials and their generalizations are useful to obtain closed forms of some series related to harmonic numbers. 2000 Mathematics Subject Classification. 11B73, 11B75, 11B83.
Dil, Ayhan, Kurt, Veli
openaire   +4 more sources

Dedekind harmonic numbers

open access: yesProceedings - Mathematical Sciences, 2021
The harmonic sums \(\sum_{r=k+1}^n \frac{1}{r}\) are not integers for any \(k \geq 1\). One way of proving this uses the Bertrand postulate that there is always a prime strictly between \(k\) and \(2k\) if \(k \geq 2\). The paper under review considers the more general analogous sums \(h_K(n) := \sum_{r=1}^n \frac{a_r}{r}\) where \(a_r\) is the number ...
Çağatay Altuntaş, Haydar Göral
openaire   +2 more sources

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