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Asymptotology

About: Asymptotology is a research topic. Over the lifetime, 1319 publications have been published within this topic receiving 35831 citations.


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Book ChapterDOI
01 Jan 1998

3 citations

Journal ArticleDOI
TL;DR: In this article, a class of second order nonlinear functional differential equations is considered and the generalized Riccati transformation and integral averaging technique are used to obtain new oscillation criteria and asymptotic behavior.
Abstract: This paper is concerned with oscillatory and asymptotic behavior of solutions of a class of second order nonlinear functional differential equations. By using the generalized Riccati transformation and the integral averaging technique, new oscillation criteria and asymptotic behavior are obtained for all solutions of the equation. Our results generalize and improve some known theorems.

3 citations

Journal ArticleDOI
TL;DR: In this paper, an asymptotic version of Poincare's lemma is defined and solutions are obtained with the calculus of exterior differential forms for multidimensional oscillatory integrals whose forms are commonly encountered, for example, in electromagnetic problems.
Abstract: An asymptotic version of Poincare’s lemma is defined and solutions are obtained with the calculus of exterior differential forms. They are used to construct the asymptotic approximations of multidimensional oscillatory integrals whose forms are commonly encountered, for example, in electromagnetic problems. In particular, the boundary and stationary point evaluations of these integrals are considered. The former is applied to the Kirchhoff representation of a scalar field diffracted through an aperture and simply recovers the Maggi–Rubinowicz–Miyamoto–Wolf results. Asymptotic approximations in the presence of other (standard) critical points are also discussed. Techniques developed for the asymptotic Poincare lemma are used to generate a general representation of the Leray form. All of the (differential form) expressions presented are generalizations of known (vector calculus) results.

3 citations

Journal ArticleDOI
19 Jan 2011
TL;DR: Using an expansion for analytic functions of operators, the asymptotic distribution of an estimator of the functional regression parameter is obtained in a rather simple way; the result is applied to testing linear hypotheses.
Abstract: Exploiting an expansion for analytic functions of operators, the asymptotic distribution of an estimator of the functional regression parameter is obtained in a rather simple way; the result is applied to testing linear hypotheses. The expansion is also used to obtain a quick proof for the asymptotic optimality of a functional classification rule, given Gaussian populations.

3 citations


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Performance
Metrics
No. of papers in the topic in previous years
YearPapers
20231
20222
20181
201725
201626
201526