Results 11 to 20 of about 37,737 (165)

Some identities of degenerate harmonic and degenerate hyperharmonic numbers arising from umbral calculus

open access: yesOpen Mathematics, 2023
Hyperharmonic numbers were introduced by Conway and Guy (The Book of Numbers, Copernicus, New York, 1996), whereas harmonic numbers have been studied since antiquity.
Kim Taekyun, Kim Dae San, Kim Hye Kyung
doaj   +1 more source

Congruences for harmonic sums [PDF]

open access: yesNotes on Number Theory and Discrete Mathematics, 2023
Zhao found a curious congruence modulo p on harmonic sums. Xia and Cai generalized his congruence to a supercongruence modulo p². In this paper, we improve the harmonic sums Hₚ(n)=Σ_{l₁+l₂+...+lₙ=p, l₁,l₂,...,lₙ>0} 1/l₁+l₂+...+lₙ to supercongruences ...
Yining Yang, Peng Yang
doaj   +1 more source

Some identities on generalized harmonic numbers and generalized harmonic functions

open access: yesDemonstratio Mathematica, 2023
The harmonic numbers and generalized harmonic numbers appear frequently in many diverse areas such as combinatorial problems, many expressions involving special functions in analytic number theory, and analysis of algorithms.
Kim Dae San, Kim Hyekyung, Kim Taekyun
doaj   +1 more source

Median Bernoulli Numbers and Ramanujan’s Harmonic Number Expansion

open access: yesMathematics, 2022
Ramanujan-type harmonic number expansion was given by many authors. Some of the most well-known are: Hn∼γ+logn−∑k=1∞Bkk·nk, where Bk is the Bernoulli numbers.
Kwang-Wu Chen
doaj   +1 more source

On the harmonic and hyperharmonic Fibonacci numbers [PDF]

open access: yesAdvances in Difference Equations, 2015
In this paper, we study the theory of the harmonic and the hyperharmonic Fibonacci numbers. Also, we get some combinatoric identities like as harmonic and hyperharmonic numbers and we obtain some useful formulas for $\mathbb{F}_{n}$, which is finite sums of reciprocals of Fibonacci numbers.
KESİM, SEYHUN   +2 more
openaire   +4 more sources

On q-generalized hyperharmonic numbers with two parameters [PDF]

open access: yesNotes on Number Theory and Discrete Mathematics
In this paper, we introduce q-generalized harmonic numbers with two parameters ω and ξ, H_{μ,λ,q}(ω,ξ) for integers μ, λ such that λ ≥ μ. With the help of these numbers, we define a new family of numbers which is called q-generalized hyperharmonic ...
Neşe Ömür, Sibel Koparal, Ömer Duran
doaj   +1 more source

Sharp bounds for harmonic numbers [PDF]

open access: yesApplied Mathematics and Computation, 2011
7 ...
Bai-Ni Guo, Feng Qi 0001
openaire   +2 more sources

Some Identities with Special Numbers

open access: yesCumhuriyet Science Journal, 2022
In this paper, we derive new identities which are related to some special numbers and generalized harmonic numbers H_n (α) by using the argument of the generating function given in [3] and comparing the coefficients of the generating functions.
Sibel Koparal   +2 more
doaj   +1 more source

Sums involving the binomial coefficients, Bernoulli numbers of the second kind and harmonic numbers [PDF]

open access: yesNotes on Number Theory and Discrete Mathematics, 2023
We offer a number of various finite and infinite sum identities involving the binomial coefficients, Bernoulli numbers of the second kind and harmonic numbers. For example, among many others, we prove Σⁿₖ₌ₒ((-1)ᵏhₖ/4ᵏ)$binom{2k}{k}$Gₙ₋ₖ = ((-1)ⁿ⁻¹/2^²ⁿ⁻¹)
Necdet Batır, Anthony Sofo
doaj   +1 more source

Harmonic numbers and finite groups [PDF]

open access: yesRendiconti del Seminario Matematico della Università di Padova, 2014
Given a finite group G , let {\tau} (G) be the number of normal subgroups of G ...
Baishya, Sekhar Jyoti, Das, Ashish Kumar
openaire   +1 more source

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