نتایج جستجو برای: localization operator

تعداد نتایج: 231995  

Journal: :Multiscale Modeling & Simulation 2022

We introduce a novel multi-resolution localized orthogonal decomposition (LOD) for time-harmonic acoustic scattering problems that can be modeled by the Helmholtz equation. The method merges concepts of LOD and operator-adapted wavelets (gamblets) proves its applicability class complex-valued, non-hermitian, indefinite problems. It computes hierarchical bases block-diagonalize operator thereby ...

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 interactionfree nets of local algebras without using non-unique ”free field coordinates”, but also permits the study of propertie...

Journal: :Bioinformatics 2011
Ahmed M. Mehdi Muhammad Shoaib B. Sehgal Bostjan Kobe Timothy L. Bailey Mikael Bodén

MOTIVATION Nucleo-cytoplasmic trafficking of proteins is a core regulatory process that sustains the integrity of the nuclear space of eukaryotic cells via an interplay between numerous factors. Despite progress on experimentally characterizing a number of nuclear localization signals, their presence alone remains an unreliable indicator of actual translocation. RESULTS This article introduce...

Journal: :acta medica iranica 0
reza raoofian department of medical genetics, faculty of medicine, tehran university of medical sciences, tehran, iran. mohammad reza noori-daloii department of medical genetics, faculty of medicine, tehran university of medical sciences, tehran, iran. samira saee-rad department of medical genetics, faculty of medicine, tehran university of medical sciences, tehran, iran. mohammad hossein modarresi department of medical genetics, faculty of medicine, tehran university of medical sciences, tehran, iran. seyed hamid ghaffari hematology, oncology and bmt research center, shariati hospital, tehran university of medical sciences, tehran, iran. majid mojarrad department of medical genetics, school of medicine, mashhad university of medical sciences, mashhad, iran.

glioblastoma is the most common and the most lethal primary brain cancer. this malignancy is highly locally invasive, rarely metastatic and resistant to current therapies. little is known about the distinct molecular biology of glioblastoma multiforme (gbm) in terms of initiation and progression. so far, several molecular mechanisms have been suggested to implicate in gbm development. homeodoma...

Journal: :iranian journal of fuzzy systems 2010
xiu xin fu-gui shi sheng-gang li

this paper presents characterizations of m-fuzzifying matroids bymeans of two kinds of fuzzy operators, called m-fuzzifying derived operatorsand m-fuzzifying difference derived operators.

Journal: :journal of linear and topological algebra (jlta) 2014
d alimohammadi s sedgar

we characterize compact composition operators on real banach spaces of complex-valued bounded lipschitz functions on metric spaces, not necessarily compact, with lipschitz involutions and determine their spectra.

2008
A J Bracken

A causally well-behaved solution of the localization problem for the free electron is given, with natural space-time transformation properties , in terms of Dirac's position operator x. It is shown that, although x is not an observable in the usual sense, and has no positive-energy (generalized) eigenstates, the 4-vector density (ρ(x, t), j(x, t)/c) is observable , and can be localized arbitrar...

2001
Christof Gattringer Meinulf Göckeler P. E. L. Rakow Stefan Schaefer

We study localization and chirality properties of eigenvectors of the lattice Dirac operator. In particular we focus on the dependence of our observables on the size of the corresponding eigenvalue, which allows us to study the transition of a near-zero mode into a bulk mode. We analyze ensembles of quenched SU(3) configurations using a Dirac operator which is a systematic expansion in path len...

2001
Christof Gattringer Meinulf Göckeler P. E. L. Rakow

We study localization and chirality properties of eigenvectors of the lattice Dirac operator. In particular we focus on the dependence of our observables on the size of the corresponding eigenvalue, which allows us to study the transition of a near-zero mode into a bulk mode. We analyze ensembles of quenched SU(3) configurations using a Dirac operator which is a systematic expansion in path len...

2008
Joaquim Puig

In this paper we use results on reducibility, localization and duality for the Almost Mathieu operator, (Hb,φx)n = xn+1 + xn−1 + b cos (2πnω + φ) xn on l2(Z) and its associated eigenvalue equation to deduce that for b 6= 0,±2 and ω Diophantine the spectrum of the operator is a Cantor subset of the real line. This solves the so-called “Ten Martini Problem” for these values of b and ω. Moreover, ...

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