Results 11 to 20 of about 106,971 (289)

On joint approximation of analytic functions by nonlinear shifts of zeta-functions of certain cusp forms

open access: yesNonlinear Analysis, 2020
In the paper, joint discrete universality theorems on the simultaneous approximation of a collection of analytic functions by a collection of discrete shifts of zeta-functions attached to normalized Hecke-eigen cusp forms are obtained.
Antanas Laurinčikas   +2 more
doaj   +1 more source

On Joint Universality in the Selberg–Steuding Class

open access: yesMathematics, 2023
The famous Selberg class is defined axiomatically and consists of Dirichlet series satisfying four axioms (Ramanujan hypothesis, analytic continuation, functional equation, multiplicativity).
Roma Kačinskaitė   +2 more
doaj   +1 more source

Joint universality of some zeta-functions. I

open access: yesLietuvos Matematikos Rinkinys, 2010
In the paper, the joint universality for the Riemann zeta-function and a collection of periodic Hurwitz zeta functions is discussed and basic results are given.
Santa Račkauskienė   +1 more
doaj   +1 more source

Approximation by Shifts of Compositions of Dirichlet L-Functions with the Gram Function

open access: yesMathematics, 2020
In this paper, a joint approximation of analytic functions by shifts of Dirichlet L-functions L ( s + i a 1 t τ , χ 1 ) , … , L ( s + i a r t τ , χ r ) , where a 1 , … , a r are non-zero real algebraic numbers linearly ...
Artūras Dubickas   +2 more
doaj   +1 more source

Universality for Random Tensors [PDF]

open access: yes, 2013
We prove two universality results for random tensors of arbitrary rank D. We first prove that a random tensor whose entries are N^D independent, identically distributed, complex random variables converges in distribution in the large N limit to the same ...
Gurau, Razvan
core   +3 more sources

Selberg's orthonormality conjecture and joint universality of L-functions [PDF]

open access: yes, 2015
In the paper we introduce the new approach how to use an orthonormality relation of coefficients of Dirichlet series defining given L-functions from the Selberg class to prove joint ...
Lee, Yoonbok   +2 more
core   +2 more sources

Joint universality of periodic zeta-functions with multiplicative coefficients

open access: yesNonlinear Analysis, 2020
The periodic zeta-function is defined by the ordinary Dirichlet series with periodic coefficients. In the paper, joint universality theorems on the approximation of a collection of analytic functions by nonlinear shifts of periodic zeta-functions with ...
Antanas Laurinčikas, Monika Tekorė
doaj   +1 more source

On joint discrete universality of the Riemann zeta-function in short intervals

open access: yesMathematical Modelling and Analysis, 2023
In the paper, we prove that the set of discrete shifts of the Riemann zeta-function approximating analytic nonvanishing functions f1(s),...,fr(s) defined on  has a positive density in the interval [N,N + M] with with real algebraic numbers a1,...,ar ...
Kalyan Chakraborty   +2 more
doaj   +1 more source

A Distributed Formation Joint Network Navigation and Positioning Algorithm

open access: yesMathematics, 2022
In view of the problem that the leader-follower joint navigation scheme relies too much on the absolute navigation and positioning accuracy of the leader node, under the conditions of distributed network-centric warfare (NCW) and to meet the location ...
Lvyang Ye   +4 more
doaj   +1 more source

Common features of deconfining and chiral critical points in QCD and the three state Potts model in an external field [PDF]

open access: yes, 2001
In the presented study we investigated the second order endpoints of the lines of first order phase transitions which emerge for the QCD in the heavy and light quark mass regime and for the three-dimensional three state Potts model with an external field.
Karsch, F., Schmidt, Ch., Stickan, S.
core   +2 more sources

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