Results 11 to 20 of about 18,183 (255)

Nonlinear Operators and Sufficiency

open access: yesThe Annals of Statistics, 1973
Let $(X, \mathscr{A})$ be a measurable space and $\mathscr{P} \mid \mathscr{A}$ a family of probability measures. Given a sufficient sub-$\sigma$-field, we define the sufficiency operator by assigning to each integrable function a conditional expectation which is independent of $P \in \mathscr{P}$. The operator thus defined is $\mathscr{P}$-a.e. linear,
Pfanzagl, J., Weber, J.
openaire   +2 more sources

On pseudomonotone elliptic operators with functional dependence on unbounded domains

open access: yesElectronic Journal of Qualitative Theory of Differential Equations, 2016
We generalize F. E. Browder's results concerning pseudomonotone elliptic partial differential operators defined on unbounded domains. We show that under suitable assumptions, Browder's result holds true if the coefficient functions are functionals of ...
Mihály Csirik
doaj   +1 more source

Nonlinear Bivariate Bernstein–Chlodowsky Operators of Maximum Product Type

open access: yesJournal of Mathematics, 2022
The positive nonlinear operators with maximum and product were introduced by Bede. In this study, nonlinear maximum product type of bivariate Bernstein–Chlodowsky operators is defined and the approximation properties are investigated with the help of new
Özge Özalp Güller   +2 more
doaj   +1 more source

A Nonlinear Transfer Operator Theorem [PDF]

open access: yesJournal of Statistical Physics, 2016
In recent papers, Kenyon et al. (Ergod Theory Dyn Syst 32:1567-1584 2012), and Fan et al. (C R Math Acad Sci Paris 349:961-964 2011, Adv Math 295:271-333 2016) introduced a form of non-linear thermodynamic formalism based on solutions to a non-linear equation using matrices.
openaire   +4 more sources

Nonlinear operator for oriented texture [PDF]

open access: yesIEEE Transactions on Image Processing, 1999
Texture is an important part of the visual world of animals and humans and their visual systems successfully detect, discriminate, and segment texture. Relatively recently progress was made concerning structures in the brain that are presumably responsible for texture processing. Neurophysiologists reported on the discovery of a new type of orientation
Kruizinga, Peter, Petkov, Nikolay
openaire   +3 more sources

Numerical Range of Two Operators in Semi-Inner Product Spaces

open access: yesAbstract and Applied Analysis, 2012
In this paper, the numerical range for two operators (both linear and nonlinear) have been studied in semi-inner product spaces. The inclusion relations between numerical range, approximate point spectrum, compression spectrum, eigenspectrum, and ...
N. K. Sahu, C. Nahak, S. Nanda
doaj   +1 more source

The structure of a nonlinear elliptic operator [PDF]

open access: yesTransactions of the American Mathematical Society, 1993
Consider the nonlinear Dirichlet problem ( 1 ) − Δ u − λ u + u 3 = g (1) - \Delta u - \lambda u + {u^3} = g , for u : Ω → R u:\Omega \to ...
Church, P. T.   +2 more
openaire   +1 more source

On Dynamics of Quadratic Stochastic Operators

open access: yesJournal of Basic and Applied Research in Biomedicine, 2022
A quadratic stochastic operator (in short QSO) is usually used to present the time evolution of differing species in biology. Some quadratic stochastic operators have been studied by Lotka and Volterra.
Izzat Qaralleh
doaj   +2 more sources

On Dynamics of a class taken from Quadratic Stochastic Operators

open access: yesJournal of Basic and Applied Research in Biomedicine, 2022
The Quadratic dynamical systems considered as an important source of analysis for the study of dynamical properties and modeling in various fields. A quadratic stochastic operator (in short QSO) is usually used to present the time evolution of species ...
Izzat Qaralleh
doaj   +2 more sources

Solution of Nonlinear Elliptic Boundary Value Problems and Its Iterative Construction

open access: yesAbstract and Applied Analysis, 2012
We study a kind of nonlinear elliptic boundary value problems with generalized p-Laplacian operator. The unique solution is proved to be existing and the relationship between this solution and the zero point of a suitably defined nonlinear maximal ...
Li Wei, Liling Duan, Haiyun Zhou
doaj   +1 more source

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