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On a Cubic Equation and a Jensen-Quadratic Equation [PDF]

open access: yesAbstract and Applied Analysis, 2007
We obtain the general solutions of the cubic functional equation3[g(x+y)+g(x−y)+6g(x)]=2g(2x+y)+2g(2x−y)+g(−x−y)+g(−x+y)+6g(−x)and the Jensen-quadratic functional equationf((x+y)/2,z+w)+f((x+y)/2,z−w)=f(x,z)+f(x,w)+f(y,z)+f(y,w).
Jae-Hyeong Bae, Won-Gil Park
doaj   +4 more sources

On a Quadratic Nonlinear Fractional Equation

open access: yesFractal and Fractional, 2023
In this paper, we study a quadratic nonlinear equation from the fractional point of view. An explicit solution is given in terms of the Lambert special function.
Iván Area, Juan J. Nieto
doaj   +3 more sources

Quadratic Hessian Equation [PDF]

open access: yesSurveys in Geometric Analysis 2023, 157--177, Science Press, Beijing, 2024
We survey quadratic Hessian equations: definition, background, rigidity of entire solutions, regularity of viscosity solutions, a priori Hessian estimates, and open problems.
openaire   +3 more sources

Solving quadratic equations [PDF]

open access: hybridJournal of Chemical Education, 1987
Oliver G. Ludwig
openalex   +3 more sources

A quadratic bilinear equation arising from the quadratic dynamical system [PDF]

open access: yesProceedings of the Estonian Academy of Sciences, 2021
A quadratic dynamical system with practical applications is taken into consideration. This system is transformed into a new bilinear system with Hadamard products by means of the implicit matrix structure. The corresponding quadratic bilinear equation is
Bo Yu, Ning Dong, Qiong Tang
doaj   +1 more source

Quadratic Equation in Split Quaternions

open access: yesAxioms, 2022
Split quaternions are noncommutative and contain nontrivial zero divisors. Generally speaking, it is difficult to solve equations in such an algebra. In this paper, by using the roots of any split quaternions and two real nonlinear systems, we derive ...
Wensheng Cao
doaj   +1 more source

Characterization and stability analysis of advanced multi-quadratic functional equations

open access: yesAdvances in Difference Equations, 2021
In this paper, we introduce a new quadratic functional equation and, motivated by this equation, we investigate n-variables mappings which are quadratic in each variable.
Abasalt Bodaghi   +2 more
doaj   +1 more source

Characterization and Stability of Multi-Euler-Lagrange Quadratic Functional Equations

open access: yesJournal of Function Spaces, 2022
The aim of the current article is to characterize and to prove the stability of multi-Euler-Lagrange quadratic mappings. In other words, it reduces a system of equations defining the multi-Euler-Lagrange quadratic mappings to an equation, say, the multi ...
Abasalt Bodaghi   +2 more
doaj   +1 more source

On the quadratic equations for odeco tensors [PDF]

open access: yes, 2022
ispartof: Go 60 – Pure and Applied Algebraic Geometry celebrating Giorgio Ottaviani’s 60th birthday location ...
Biaggi, Benjamin   +2 more
openaire   +4 more sources

The Application of Android-based GeoGebra on Quadratic Equations Material toward Mathematical Creative Thinking ability

open access: yesAl-Jabar, 2020
Students' low creative thinking skills and difficulty in drawing graphs from the given algebraic equations are the background of this study. The purpose of this study was to determine the mathematical creative thinking abilities between Android-based ...
Ari Septian   +2 more
doaj   +1 more source

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