نتایج جستجو برای: localization operator

تعداد نتایج: 231995  

Journal: :Siam Journal on Applied Mathematics 2021

Related DatabasesWeb of Science You must be logged in with an active subscription to view this.Article DataHistorySubmitted: 14 October 2020Accepted: 15 March 2021Published online: 27 May 2021KeywordsNeumann--Poincaré operator, spectrum, plasmon, surface localization, convexity, cloaking by anomalous localized resonanceAMS Subject HeadingsPrimary, 35J47; Secondary, 35P05Publication DataISSN (pr...

Journal: :journal of ai and data mining 2014
seyed mojtaba hosseinirad mehdi niazi j pourdeilami swapan kumar basu ali akbar pouyan

in wireless sensor networks (wsns), localization algorithms could be range-based or range-free. the approximate point in triangle (apit) is a range-free approach. we propose modification of the apit algorithm and refer as modified-apit. we select suitable triangles with appropriate distance between anchors to reduce pit test errors (edge effect and non-uniform placement of neighbours) in apit a...

Journal: :medical journal of islamic republic of iran 0
shirzad nasiri tehran university of medical sciences, tehran, iran.سازمان اصلی تایید شده: دانشگاه علوم پزشکی تهران (tehran university of medical sciences) ahmadreza soroush tehran university of medical sciences, tehran, iran.سازمان اصلی تایید شده: دانشگاه علوم پزشکی تهران (tehran university of medical sciences) amir pejman hashemi tehran university of medical sciences, tehran, iran.سازمان اصلی تایید شده: دانشگاه علوم پزشکی تهران (tehran university of medical sciences) anushiravan hedayat tehran university of medical sciences, tehran, iran.سازمان اصلی تایید شده: دانشگاه علوم پزشکی تهران (tehran university of medical sciences) kianoush donboli tehran university of medical sciences, tehran, iran.سازمان اصلی تایید شده: دانشگاه علوم پزشکی تهران (tehran university of medical sciences) farhad mehrkhani tehran university of medical sciences, tehran, iran.سازمان اصلی تایید شده: دانشگاه علوم پزشکی تهران (tehran university of medical sciences)

background: bilateral neck exploration is the gold standard for parathyroid adenoma localization in primary hyperparathyroidism. but surgeons do not have adequate experience for accurate surgical exploration and new methods are developed for surgery like unilateral exploration and minimally invasive surgery, thus, preoperative localization could reduces time and stress in surgical performance. ...

Abolfazl Toroghi Haghighat, Fereydoon Abdi

Wireless sensor networks attracting a great deal of research interest. Accurate localization of sensor nodes is a strong requirement in a wide area of applications. In recent years, several techniques have been proposed for localization in wireless sensor networks. In this paper we present a localization scheme with using only one mobile anchor station and received signal strength indicator tec...

Journal: :Potential Analysis 2021

We prove that the large scale behavior of a class stochastic weakly nonlinear reaction-diffusion models on \(\mathbb {R}^{3}\) converges to dynamical \({{\Phi }^{4}_{3}}\) model using paracontrolled distributions weighted Besov spaces. Our approach depends delicate choice weight, localization operator technique and modified version maximum principle from Gubinelli Hofmanová (Commun. Math. Phys....

Journal: :Journal of Mathematical Sciences 2021

In this paper, we analyze conditions under which the spectrum of Sturm–Liouville operator on a certain smooth curve is localized near countable number rays. case where potential piecewise analytical, an asymptotic eigenvalues found for each series corresponding ray. The result obtained allows one to generalize well-known formula distribution function stated by Davies in finite localization

Journal: :J. Computational Applied Mathematics 2015
Thomas Richter Thomas Wick

The dual weighted residual method (DWR) and its localization for mesh adaptivity applied to elliptic partial differential equations is investigated. The contribution of this paper is twofold: first, we introduce a novel localization technique based on the introduction of a partition of unity. This new technique is very easy to apply, as neither strong residuals nor jumps over element edges are ...

1997
Bert Schroer

It has been known that the Wigner representation theory for positive energy orbits permits a useful localization concept in terms of certain lattices of real subspaces of the complex Hilbert-space. This \modular localization" is not only useful in order to construct interaction-free nets of local algebras without using non-unique \free eld coor-dinates", but also permits the study of properties...

2008
Bert Schroer

It has been known that the Wigner representation theory for positive energy orbits permits a useful localization concept in terms of certain lattices of real subspaces of the complex Hilbert -space. This ”modular localization” is not only useful in order to construct interactionfree nets of local algebras without using non-unique ”free field coordinates”, but also permits the study of propertie...

Journal: :Journal of Functional Analysis 2021

We prove variants of Wiener's Tauberian theorem in the framework quantum harmonic analysis, i.e. for convolutions between an absolutely integrable function and a trace class operator, or two operators. Our results include as special case. Applications our theorems are related to localization operators, Toeplitz isomorphism Bargmann-Fock spaces quantization schemes with consequences Shubin's pse...

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