Results 11 to 20 of about 17,169 (214)

Eucalyptus cloeziana seed count data: a comparative analysis of statistical models [PDF]

open access: yesCiência e Agrotecnologia, 2020
Generalized linear models (GLMs) are an extension of the linear model and include the normal, Poisson, and negative binomial distributions. Although GLMs were introduced in 1972, most seed technology studies, especially those involving count data, such ...
Thomas Bruno Michelon   +3 more
doaj   +1 more source

The boundedness of a class of semiclassical Fourier integral operators on Sobolev space $H^{s}$

open access: yesМатематичні Студії, 2021
We introduce the relevant background information that will be used throughout the paper. Following that, we will go over some fundamental concepts from the theory of a particular class of semiclassical Fourier integral operators (symbols and phase ...
O. F. Aid, A. Senoussaoui
doaj   +1 more source

On the Stability of Trigonometric Functional Equations in Distributions and Hyperfunctions

open access: yesAbstract and Applied Analysis, 2013
We consider the Hyers-Ulam stability for a class of trigonometric functional equations in the spaces of generalized functions such as Schwartz distributions and Gelfand hyperfunctions.
Jaeyoung Chung, Jeongwook Chang
doaj   +1 more source

Cauchy Integral and Boundary Value for Vector-Valued Tempered Distributions

open access: yesAxioms, 2022
Using the historically general growth condition on scalar-valued analytic functions, which have tempered distributions as boundary values, we show that vector-valued analytic functions in tubes TC=Rn+iC obtain vector-valued tempered distributions as ...
Richard D. Carmichael
doaj   +1 more source

A mixed problem of active aerosol pollution

open access: yesVietnam Journal of Mechanics, 2000
The mixed problem of active aerosol pollution is stated in the mathematical modeling of environment problems [1] and was studied by some authors (see [1], [2], [3], ...). In this work we give the solution using the theory of Schwartz distributions.
Hoang Dinh Dung
doaj   +1 more source

Inverse problem for $2b$-order differential equation with a time-fractional derivative

open access: yesKarpatsʹkì Matematičnì Publìkacìï, 2019
We study the inverse problem for a differential equation of order $2b$ with the Riemann-Liouville fractional derivative of order $\beta\in (0,1)$ in time and given Schwartz type distributions in the right-hand sides of the equation and the initial ...
A.O. Lopushansky, H.P. Lopushanska
doaj   +1 more source

Distributional celestial amplitudes

open access: yesJournal of High Energy Physics
Scattering amplitudes are tempered distributions, which are defined through their action on functions in the Schwartz space S ℝ $$ \mathcal{S}\left(\mathbb{R}\right) $$ by duality.
Majdouline Borji, Yorgo Pano
doaj   +1 more source

The classical theory of calculus of variations for generalized functions

open access: yesAdvances in Nonlinear Analysis, 2017
We present an extension of the classical theory of calculus of variations to generalized functions. The framework is the category of generalized smooth functions, which includes Schwartz distributions, while sharing many nonlinear properties with ...
Lecke Alexander   +2 more
doaj   +1 more source

Algebraic and differential properties of polynomial Fourier transformation

open access: yesМатематичні Студії, 2020
Methods of integral transformations of (generalized) functions are widely used in the solution of initial and boundary value problems for partial differential equations.
S.V. Sharyn
doaj   +1 more source

Inverse problem with two unknown time-dependent functions for $2b$-order differential equation with fractional derivative

open access: yesKarpatsʹkì Matematičnì Publìkacìï, 2022
We study the inverse problem for a differential equation of order $2b$ with a Riemann-Liouville fractional derivative over time and given Schwartz-type distributions in the right-hand sides of the equation and the initial condition. The generalized (time-
A.O. Lopushansky, H.P. Lopushanska
doaj   +1 more source

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