Results 11 to 20 of about 72,390 (316)

Solvability and asymptotic properties for an elliptic geophysical fluid flows model in a planar exterior domain

open access: yesNonlinear Analysis, 2021
In this paper, we study the solvability and asymptotic properties of a recently derived gyre model of nonlinear elliptic Schrödinger equation arising from the geophysical fluid flows.
Xinguang Zhang   +4 more
doaj   +1 more source

An asymptotic property of univalent mappings. [PDF]

open access: yesMichigan Mathematical Journal, 1994
The main result is as follows: Let \(f\) be a univalent holomorphic function in the upper halfplane. Then, for almost all real \(x\), there exists \(c= c(x,\vartheta)> 0\) and \(r> 0\) such that \[ |\text{Im } f(u+ iv)| > cv\quad\text{for}\quad | u- x|< v\tan\vartheta,\qquad 0< v< r. \] One ingredient of the proof is the Hayman-Wu theorem.
Ortel, Marvin, Schneider, Walter
openaire   +3 more sources

Asymptotic properties of some minor-closed classes of graphs (conference version) [PDF]

open access: yesDiscrete Mathematics & Theoretical Computer Science, 2013
Let $\mathcal{A}$ be a minor-closed class of labelled graphs, and let $G_n$ be a random graph sampled uniformly from the set of n-vertex graphs of $\mathcal{A}$. When $n$ is large, what is the probability that $G_n$ is connected? How many components does
Mireille Bousquet-Mélou, Kerstin Weller
doaj   +1 more source

Bootstrap Prediction Interval for ARMA Models with Unknown Orders

open access: yesRevstat Statistical Journal, 2020
This paper aims to investigate the construction of the prediction intervals for ARMA (p, q) models with unknown orders. We present the bootstrap algorithms for the prediction intervals based on the bootstrap distribution of orders (p, q). The asymptotic
Xingyu Lu , Lihong Wang
doaj   +1 more source

New Conditions for Testing the Asymptotic Behavior of Solutions of Odd-Order Neutral Differential Equations with Multiple Delays

open access: yesAxioms, 2023
The purpose of this research is to investigate the asymptotic and oscillatory characteristics of odd-order neutral differential equation solutions with multiple delays.
Fahd Masood   +3 more
doaj   +1 more source

Asymptotic properties of a Leontief economy [PDF]

open access: yesJournal of Economic Dynamics and Control, 1989
The asymptotic properties of equilibrium quantities of a Leontief economy when agents have additional separable utilities are discussed in this paper. The rate of growth of equilibrium quantities and prices that either tend to zero or infinity or remain bounded from below and above by strictly positive vectors are estimated.
Dana Rose-anne   +3 more
openaire   +1 more source

Nonparametric estimators for varextropy under $\alpha$-mixing condition with appliction in exponential AR(1) model [PDF]

open access: yesJournal of Mahani Mathematical Research
The goal of this paper is to study the problem of estimation of varextropy function under $\alpha$-mixing dependence condition. We propose nonparametric estimators for varextropy, residual varextropy and  past varextropy.
Raheleh Zamini   +2 more
doaj   +1 more source

Robust estimation for partial functional linear regression models based on FPCA and weighted composite quantile regression

open access: yesOpen Mathematics, 2021
In this paper, we consider a novel estimation for partial functional linear regression models. The functional principal component analysis method is employed to estimate the slope function and the functional predictive variable, respectively.
Cao Peng, Sun Jun
doaj   +1 more source

Theoretical and Empirical Differences between Diagonal and Full BEKK for Risk Management

open access: yesEnergies, 2018
The purpose of the paper is to explore the relative biases in the estimation of the Full BEKK model as compared with the Diagonal BEKK model, which is used as a theoretical and empirical benchmark.
David E. Allen, Michael McAleer
doaj   +1 more source

A Time-Varying Coefficient Double Threshold GARCH Model with Explanatory Variables

open access: yesAxioms, 2023
In this article, we consider the nonparametric inference for the time-varying coefficient double-threshold generalized autoregressive conditional heteroscedastic models.
Tongwei Zhang   +3 more
doaj   +1 more source

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