Results 21 to 30 of about 63,506 (264)

Dynamics of solutions of nonlinear functional differential equation of parabolic type [PDF]

open access: yesИзвестия высших учебных заведений: Прикладная нелинейная динамика, 2022
Purpose of this work is to study the initial-boundary value problem for a parabolic functional-differential equation in an annular region, which describes the dynamics of phase modulation of a light wave passing through a thin layer of a nonlinear Kerr ...
Kornuta, Anshelika Alexandrovna   +1 more
doaj   +1 more source

A new functional equation of Pexider type related to the complex exponential function [PDF]

open access: yesTransactions of the American Mathematical Society, 1995
The purpose of this paper is to solve a new functional equation, characteristic for the complex exponential function, which contains four unknown entire functions and to solve, as an application, three further functional equations.
Haruki, Hiroshi   +1 more
openaire   +2 more sources

The Complex WKB Method for Difference Equations and Airy Functions [PDF]

open access: yesSIAM Journal on Mathematical Analysis, 2019
We consider the difference Schr{ö}dinger equation $ψ$(z + h) + $ψ$(z -- h) + v(z)$ψ$(z) = 0 where z is a complex variable, h > 0 is a parameter, and v is an analytic function. As h $\rightarrow$ 0 analytic solutions to this equation have a standard quasiclassical behavior near the points where v(z) = $\pm$2.
Alexander Fedotov, Frédéric Klopp
openaire   +3 more sources

Complex Monge–Ampère equations for plurifinely plurisubharmonic functions

open access: yesIndagationes Mathematicae, 2023
This paper studies the complex Monge-Ampère equations for $\mathcal F$-plurisubharmonic functions in bounded $\mathcal F$-hyperconvex domains. We give sufficient conditions for this equation to solve for measures with a singular part.
Nguyen Xuan Hong   +3 more
openaire   +3 more sources

Health as a space-time continuum

open access: yesJournal of Education, Health and Sport, 2018
The purpose of work is to quantify the changes of the organism functional reserves during the successive phases of the human health Space-Time Continuum (STC) on the basis of postulates of reliability complex systems theory.
Anatolii Gozhenko   +3 more
doaj   +3 more sources

Investigation of the Predictive Capabilities of a Data-Driven Multilayer Neuromorphic Model by the Example of the Duffing Oscillator

open access: yesСовременные информационные технологии и IT-образование, 2021
The transition to Industry 4.0 highlights areas of research that require a qualitative description of a complex system, for example, a cyber-physical one, in the form of an adaptive dynamic model since the systems themselves are subject to change over ...
Alexander Vasilyev   +5 more
doaj   +1 more source

Bounds for the functional spectrum of operators in a Hilbert space [PDF]

open access: yesMathematica Moravica
Let H1 and H2 be Hilbert spaces with the unit operators I1 and I2, respectively, and Ajk be bounded operators acting from Hj into Hk (j, k = 1, 2). We consider the block operator matrices A = (Ajk) and F(z) = diag (Kˆj (z)Ij ), where Kˆ1(z) and Kˆ2(z ...
Gil' Michael
doaj   +1 more source

Local Theory of Complex Functional Differential Equations [PDF]

open access: yesTransactions of the American Mathematical Society, 1971
We consider the equation ( ∗
openaire   +2 more sources

Vibration Antiresonance Design for a Spacecraft Multifunctional Structure

open access: yesShock and Vibration, 2017
Spacecraft must withstand rigorous mechanical environment experiences such as acceleration, noise, vibration, and shock during the process of launching, satellite-vehicle separation, and so on.
Dong-Xu Li, Wang Liu, Dong Hao
doaj   +1 more source

On Growth of Meromorphic Solutions of Complex Functional Difference Equations [PDF]

open access: yesAbstract and Applied Analysis, 2014
The main purpose of this paper is to investigate the growth order of the meromorphic solutions of complex functional difference equation of the form(∑λ∈I‍αλ(z)(∏ν=1n‍f(z+cν)lλ,ν))/(∑μ∈J‍βμ(z)(∏ν=1n‍f(z+cν)mμ,ν))=Q(z,f(p(z))), whereI={λ=(lλ,1,lλ,2,…,lλ,n)∣lλ,ν∈ℕ⋃‍{0},  ν=1,2,…,n}andJ={μ=(mμ,1,mμ,2,…,mμ,n)∣mμ,ν∈ℕ⋃‍{0},  ν=1,2,…,n}are two finite index ...
Jing Li, Jianjun Zhang, Liangwen Liao
openaire   +3 more sources

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