Results 41 to 50 of about 988,651 (350)

Functional inequalities for generalized multi-quadratic mappings

open access: yesJournal of Inequalities and Applications, 2021
In this article, we introduce some special several variables mappings which are quadratic in each variable and show that such mappings can be defined as a single equation that is the generalized multi-quadratic functional equation.
Abasalt Bodaghi
doaj   +1 more source

Convex Quadratic Equation [PDF]

open access: yesJournal of Optimization Theory and Applications, 2020
AbstractTwo main results (A) and (B) are presented in algebraic closed forms. (A) Regarding the convex quadratic equation, an analytical equivalent solvability condition and parameterization of all solutions are formulated, for the first time in the literature and in a unified framework.
Li-Gang Lin   +2 more
openaire   +2 more sources

Approximate mixed type quadratic-cubic functional equation

open access: yesAIMS Mathematics, 2021
In this paper, we investigate the generalized Hyers-Ulam stability of the following mixed type quadratic-cubic functional equation \begin{align*} 2f(2x+y)+2f(2x-y) = 4f(x+y)+4f(x-y)+4f(2x)+f(2y)-8f(x)-8f(y) \end{align*} in non-Archimedean $(n ...
Zhihua Wang
doaj   +1 more source

Prediction mechanical properties of particleboard and analysis the interaction effect of slenderness ratio and resin content, using linear, quadratic and exponential equation [PDF]

open access: yesتحقیقات علوم چوب و کاغذ ایران, 2011
The purpose of this study was to investigate which equation (Linear, Exponential equation and quadratic) can describe exactly the interaction effect of particle size and adhesive percent and predict mechanical properties of particleboard (modulus of ...
Mohammad Arabi   +3 more
doaj   +1 more source

A new approach to Ginsparg-Wilson fermions

open access: yes, 2000
We expand the most general lattice Dirac operator D in a basis of simple operators. The Ginsparg-Wilson equation turns into a system of coupled quadratic equations for the expansion coefficients.
Gattringer, Christof
core   +1 more source

The unpredictably eruptive dynamics of spruce budworm populations in eastern Canada

open access: yesPopulation Ecology, EarlyView.
We examine historical population data for spruce budworm from several locations through the period 1930–1997, and use density‐dependent recruitment curves to test whether the pattern of population growth over time is more consistent with Royama's (1984; Ecological Monographs 54:429–462) linear R(t) model of harmonic oscillation at Green River New ...
Barry J. Cooke, Jacques Régnière
wiley   +1 more source

A New Fixed Point Theorem and a New Generalized Hyers-Ulam-Rassias Stability in Incomplete Normed Spaces

open access: yesMathematics, 2019
In this study, our goal is to apply a new fixed point method to prove the Hyers-Ulam-Rassias stability of a quadratic functional equation in normed spaces which are not necessarily Banach spaces.
Maryam Ramezani   +2 more
doaj   +1 more source

Cubic and quartic transformations of the sixth Painleve equation in terms of Riemann-Hilbert correspondence

open access: yes, 2011
A starting point of this paper is a classification of quadratic polynomial transformations of the monodromy manifold for the 2x2 isomonodromic Fuchsian systems associated to the Painleve VI equation.
Bolibruch   +26 more
core   +1 more source

Circulating tumor DNA (ctDNA) trajectories predict survival in trifluridine/tipiracil‐treated metastatic colorectal cancer patients

open access: yesMolecular Oncology, EarlyView.
The authors applied joint/mixed models that predict mortality of trifluridine/tipiracil‐treated metastatic colorectal cancer patients based on circulating tumor DNA (ctDNA) trajectories. Patients at high risk of death could be spared aggressive therapy with the prospect of a higher quality of life in their remaining lifetime, whereas patients with a ...
Matthias Unseld   +7 more
wiley   +1 more source

PENGEMBANGAN LKS MENGGUNAKAN MODEL PROBLEM CREATING UNTUK MENINGKATKAN KEMAMPUAN BERPIKIR KRITIS SISWA KELAS VIII SMP

open access: yesJurnal Pendidikan: Teori, Penelitian, dan Pengembangan, 2017
The aim of this research is developing student activity sheets (LKS) with model problem creating to improve students’ ability to think critically. This research is a developmental research with Plomp’s development model.
Muliana Sari   +2 more
doaj   +1 more source

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