Results 41 to 50 of about 362,691 (237)

Breakdown and asymptotic properties of resampled estimates [PDF]

open access: yes, 1995
In this paper we study the breakdown and asymptotic properties of resampled t-estimates. We find that they retain the finite breakdown point of the exact estimator.
Adrover, Jorge, Blanco, Ana M.
core   +1 more source

Asymptotic Composite Estimation

open access: yes, 2013
Composition methodologies in the current literature are mainly to promote estimation efficiency via direct composition, either, of initial estimators or of objective functions. In this paper, composite estimation is investigated for both estimation efficiency and bias reduction.
Lin, Lu   +3 more
openaire   +2 more sources

Asymptotic estimates for PDE with p-Laplacian and damping

open access: yesElectronic Journal of Qualitative Theory of Differential Equations, 2005
We study the positive solutions of equation \begin{equation*} \operatorname{div}(\|\nabla u\|^{p-2}\nabla u)+ \left\langle \vec b(x), \|\nabla u\|^{p-2}\nabla u\right\rangle + c(x)|u|^{q-2}u=0, \end{equation*} via the Riccati technique and prove an
Robert Marik
doaj   +1 more source

Asymptotic normality of plug-in level set estimates

open access: yes, 2009
We establish the asymptotic normality of the $G$-measure of the symmetric difference between the level set and a plug-in-type estimator of it formed by replacing the density in the definition of the level set by a kernel density estimator. Our proof will
Mason, David M., Polonik, Wolfgang
core   +2 more sources

Specification via model selection in vector error correction models [PDF]

open access: yes, 1998
This paper proposes a model selection approach for the specification of the cointegrating rank in the VECM representation of VAR models. Asymptotic properties of estimates are derived and their features compared with the traditional likelihood ratio ...
Gonzalo, Jesús, Pitarakis, Jean-Yves
core   +3 more sources

Asymptotic Quantum Cloning Is State Estimation [PDF]

open access: yesPhysical Review Letters, 2006
The impossibility of perfect cloning and state estimation are two fundamental results in Quantum Mechanics. It has been conjectured that quantum cloning becomes equivalent to state estimation in the asymptotic regime where the number of clones tends to infinity.
Bae, Joonwoo, Acin, Antonio
openaire   +3 more sources

Asymptotic observables, propagation estimates and the problem of asymptotic completeness in algebraic QFT

open access: yes, 2014
We review recent results on the existence of asymptotic observables in algebraic QFT. The problem of asymptotic completeness is discussed from this perspective.Comment: 5 pages.
Dybalski, Wojciech
core   +1 more source

Asymptotic estimates of the solution for a singularly perturbed Cauchy problem

open access: yesҚарағанды университетінің хабаршысы. Математика сериясы
The article focuses on the initial problem for a third-order linear integro-differential equation with a small parameter at the higher derivatives, assuming that the roots of the additional characteristic equation have opposite signs.
N.U. Bukanay   +2 more
doaj   +1 more source

A methodology for obtaining asymptotic estimates for the exponentially small splitting of separatrices to whiskered tori with quadratic frequencies [PDF]

open access: yes, 2014
The aim of this work is to provide asymptotic estimates for the splitting of separatrices in a perturbed 3-degree-of-freedom Hamiltonian system, associated to a 2-dimensional whiskered torus (invariant hyperbolic torus) whose frequency ratio is a ...
Delshams, Amadeu   +2 more
core   +2 more sources

Asymptotics for lasso-type estimators

open access: yesThe Annals of Statistics, 2000
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Knight, Keith, Fu, Wenjiang
openaire   +3 more sources

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