Results 91 to 100 of about 827 (202)

A Note on Local Polynomial Regression for Time Series in Banach Spaces

Journal of Time Series Analysis, EarlyView.
ABSTRACT This work extends local polynomial regression to Banach space‐valued time series for estimating smoothly varying means and their derivatives in non‐stationary data. The asymptotic properties of both the standard and bias‐reduced Jackknife estimators are analyzed under mild moment conditions, establishing their convergence rates.
Florian Heinrichs
wiley   +1 more source

On a Reverse Half-Discrete Hardy-Hilbert’s Inequality with Parameters

Mathematics, 2019
By means of the weight functions, the idea of introduced parameters, and the Euler-Maclaurin summation formula, a reverse half-discrete Hardy-Hilbert’s inequality and the reverse equivalent forms are given.
Bicheng Yang, Shanhe Wu, Aizhen Wang
doaj   +1 more source

Numerical Evaluation of Cauchy Type Singular Integrals Using Modification of Discrete Vortex Method [PDF]

, 2007
In this thesis, characteristic singular integral equations of Cauchy type ()(),LtdtfxxLxtϕ=∈−∫ (1) where L is open or closed contour, are examined. The analytical solutions for equation (1) are described.
Mahiub, Mohammad Abdulkawi
core  

A Hilbert type inequality

Tamkang Journal of Mathematics, 2000
In this paper we obtain a new inequality of Hilbert type for a finite number of nonnegative sequences of real numbers from which we can recover as a special case an inequality due to Pachpatte. We also obtain an integral variant of the inequality.
Handley, G. D., Koliha, J. J., Pečarić, J.   +2 more
openaire   +3 more sources

On the Existence of One‐Sided Representations for the Generalised Dynamic Factor Model

Journal of Time Series Analysis, EarlyView.
ABSTRACT We study the Generalised Dynamic Factor Model (GDFM) and show that the dynamic common component, that is, the common component of the GDFM, can be expressed using only current and past observations under mild assumptions. Specifically, we require (i) the dynamic common component to be purely non‐deterministic and (ii) the exclusion of ...
Philipp Gersing
wiley   +1 more source

A New Hilbert-type Integral Inequality with the Homogeneous Kernel of Real Degree Form and the Integral in Whole Plane [PDF]

, 2020
: In this paper,we build a new Hilbert's inequality with the homogeneous kernel of real order and the integral in whole plane. The equivalent inequality is considered.
K Raja, Rama Gandhi, Xie Zitian, Zheng Zeng   +3 more
core  

Hilbert-Type Inequalities Revisited [PDF]

Journal of Mathematics and Statistics, 2016
Considering different parameters, Hilbert-type integral inequality for functions f(x), g(x) in L2[0, ∞) will be generalized.
openaire   +1 more source

Band‐Pass Filtering With High‐Dimensional Time Series. A Synthetic Indicator of the Medium‐to‐Long Run Component of Growth

Journal of Time Series Analysis, EarlyView.
ABSTRACT The paper deals with the construction of a synthetic indicator of economic growth, obtained by projecting a quarterly measure of aggregate economic activity, namely gross domestic product (GDP), into the space spanned by a finite number of smooth principal components, representative of the medium‐to‐long‐run component of economic growth of a ...
Alessandro Giovannelli, Marco Lippi, Tommaso Proietti   +2 more
wiley   +1 more source

On strengthened version of Hardy-Hilbert's type inequality(关于Hardy-Hilbert型不等式的加强)

Zhejiang Daxue xuebao. Lixue ban, 2007
利用改进了的Hölder's不等式对两个Hardy-Hilbert型不等式作了改进，建立了一些新的形如的不等式，其中，R（α，r，s）= (S，(F，γ）— Sq(G，γ))2 < 1.
HELe-ping(贺乐平), GAOMing-zhe(高明哲)   +1 more
doaj   +1 more source

Generalization of Hilbert's integral inequality

, 2010
Summary: We make some further generalization of well known Hilbert's inequality and its equivalent form in two dimensional case. Many other results of this type in recent years follows as a special case of our results.
CASTILLO, RENÉ ERLIN, TROUSSELOT, EDUARD   +1 more
openaire   +3 more sources