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An approximation of the Hurwitz zeta function by a finite sum [PDF]

open access: yesLietuvos Matematikos Rinkinys, 2003
We obtain the following version of the approximation of the Hurwitz zeta-function. Let σ ≥ 0 and |t| ≤ π x. Then ζ(s, α) = ∑0 ≤ n ≤ x 1/(n + α)s +{ (x + α)1−s}/(s − 1) + Θ ({7√2π−1 + 3}/xσ).
Ramūnas Garunkštis
doaj   +4 more sources

On the Mishou Theorem for Zeta-Functions with Periodic Coefficients

open access: yesMathematics, 2023
Let a={am} and b={bm} be two periodic sequences of complex numbers, and, additionally, a is multiplicative. In this paper, the joint approximation of a pair of analytic functions by shifts (ζnT(s+iτ;a),ζnT(s+iτ,α;b)) of absolutely convergent Dirichlet ...
Aidas Balčiūnas   +3 more
doaj   +1 more source

Analytical properties of the Hurwitz–Lerch zeta function

open access: yesAdvances in Difference Equations, 2020
In the present paper, we aim to extend the Hurwitz–Lerch zeta function Φ δ , ς ; γ ( ξ , s , υ ; p ) $\varPhi _{\delta ,\varsigma ;\gamma }(\xi ,s,\upsilon ;p)$ involving the extension of the beta function (Choi et al. in Honam Math. J.
Raghib Nadeem   +3 more
doaj   +1 more source

Some approximations with hurwitz zeta function [PDF]

open access: yes, 2020
1st Mediterranean International Conference of Pure and Applied Mathematics and Related Areas (MICOPAM) -- OCT 26-29, 2018 -- Akdeniz Univ, Antalya, TURKEYIn this paper, we focus on some approximations with Hurwitz zeta function.
Aygüneş, Aykut Ahmet
core   +2 more sources

Note on the Hurwitz-Lerch Zeta Function of Two Variables [PDF]

open access: yes, 2020
Choi, Junesang/0000-0002-7240-7737; Yagci, Oguz/0000-0001-9902-8094A number of generalized Hurwitz-Lerch zeta functions have been presented and investigated.
Yağcı, Oğuz   +7 more
core   +1 more source

On the distribution of zeros of the Hurwitz zeta-function [PDF]

open access: yesMathematics of Computation, 2006
Assuming the Riemann hypothesis, we prove asymptotics for the sum of values of the Hurwitz zeta-function ζ
Ramunas Garunkstis, Jörn Steuding
openaire   +2 more sources

LINEAR COMBINATIONS OF HURWITZ ZETA-FUNCTIONS

open access: yesKyushu Journal of Mathematics, 2022
As it is well known, the Hurwitz zeta-function, for \(\sigma>1\) and a parameter \(\alpha ...
STEUDING, Rasa, STEUDING, Jörn
openaire   +1 more source

New inequalities for the Hurwitz zeta function [PDF]

open access: yes, 2008
We establish various new inequalities for the Hurwitz zeta function.
Batir, Necdet
core   +1 more source

Joint discrete approximation of a pair of analytic functions by periodic zeta-functions

open access: yesMathematical Modelling and Analysis, 2020
In the paper, the problem of simultaneous approximation of a pair of analytic functions by a pair of discrete shifts of the periodic and periodic Hurwitz zeta-function is considered. The above shifts are defined by using the sequence of imaginary parts of
Aidas Balčiūnas   +5 more
doaj   +1 more source

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