Results 21 to 30 of about 8,236,248 (311)

Oscillatory mixed difference systems [PDF]

open access: yes, 2006
The aim of this paper is to discuss the oscillatory behavior of difference systems of mixed type. Several criteria for oscillations are obtained. Particular results are included in regard to scalar equations. Copyright © 2006 J. M.
Ferreira, José M.   +4 more
core   +1 more source

Specialists and generalists

open access: yesУправление, 2021
The article considers labor specialization in terms of A.A. Bogdanov’s General Organizational Science (Tectology), whose methodology provides conclusions different from generally accepted A. Smith’s concept of labor division.
I. V. Anokhov
doaj   +1 more source

Fractional q-Difference Inclusions in Banach Spaces [PDF]

open access: yes, 2020
In this paper, we study a class of Caputo fractional q-difference inclusions in Banach spaces. We obtain some existence results by using the set-valued analysis, the measure of noncompactness, and the fixed point theory (Darbo and Mönch’s ...
Badr Alqahtani   +3 more
core   +1 more source

Dynamics and Solutions of Higher-Order Difference Equations [PDF]

open access: yes, 2023
The invariance method, known as Lie analysis, consists of finding a group of transformations that leave a difference equation invariant. This powerful tool permits one to lower the order, linearize and more importantly, obtain analytical solutions of ...
Mensah Folly-Gbetoula
core   +1 more source

Difference-in-difference estimates of gender gaps in switching points. [PDF]

open access: yes, 2019
Difference-in-difference estimates of gender gaps in switching points.
Marco A. Palma (5754044)   +2 more
core   +1 more source

Limiting Values and Functional and Difference Equations [PDF]

open access: yes, 2020
Boundary behavior of a given important function or its limit values are essential in the whole spectrum of mathematics and science. We consider some tractable cases of limit values in which either a difference of two ingredients or a difference equation ...
Praveen Agarwal   +2 more
core   +1 more source

Nonlocal Integro-Differential Equations of the Second Order with Degeneration

open access: yesMathematics, 2020
We study the solvability for boundary value problems to some nonlocal second-order integro–differential equations that degenerate by a selected variable.
Aleksandr I. Kozhanov
doaj   +1 more source

Characteristics of Conservation Laws for Difference Equations [PDF]

open access: yes, 2013
Each conservation law of a given partial differential equation is determined (up to equivalence) by a function known as the characteristic. This function is used to find conservation laws, to prove equivalence between conservation laws, and to prove the ...
Hydon, PE   +3 more
core   +1 more source

Noninstantaneous Impulsive Fractional Quantum Hahn Integro-Difference Boundary Value Problems [PDF]

open access: yes, 2020
In this paper, we study the existence and uniqueness results for noninstantaneous impulsive fractional quantum Hahn integro-difference boundary value problems with integral boundary conditions, by using Banach contraction mapping principle and Leray ...
Jessada Tariboon   +3 more
core   +1 more source

Difference-in-Difference analysis of the utilization of maternal and neonatal care. [PDF]

open access: yes, 2019
Difference-in-Difference analysis of the utilization of maternal and neonatal care.
Ruoyan Gai Tobe (102986)   +3 more
core   +1 more source

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