نتایج جستجو برای: condition spectrum

تعداد نتایج: 530922  

2008
K. Yoshimura M. Kanamitsu D. Noone T. Oki

[1] In this paper we present a multidecadal and global three-dimensional stable water isotope data set. This is accomplished by incorporating processes of the stable water isotopes into an atmospheric general circulation model and by applying a spectral nudging technique toward Reanalysis dynamical fields. Unlike the global model simulations forced only by sea surface temperature (SST), the dyn...

Journal: :CoRR 2013
Albert Deuzeman Karl Jansen B. Kostrzewa Carsten Urbach

An overview is given of the lessons learned from the introduction of multi-threading using OpenMP in tmLQCD. In particular, programming style, performance measurements, cache misses, scaling, thread distribution for hybrid codes, race conditions, the overlapping of communication and computation and the measurement and reduction of certain overheads are discussed. Performance measurements and sa...

2007
T. Imamura

The one-dimensional totally asymmetric simple exclusion process (TASEP) is considered. We study the time evolution property of a tagged particle in the TASEP with the step initial condition. Calculated is the multi-time joint distribution function of its position. Using the relation of the dynamics of the TASEP to the Schur process, we show that the function is represented as the Fredholm deter...

1997
M. L. Lyra

Power-law sensitivity to initial conditions at the edge of chaos provides a natural relation between the scaling properties of the dynamics attractor and its degree of nonextensivity as prescribed in the generalized statistics recently introduced by one of us (C.T.) and characterized by the entropic index q. We show that general scaling arguments imply that 1/(1−q) = 1/αmin−1/αmax, where αmin a...

Journal: :journal of physical & theoretical chemistry 2004
m. vadi m. zamani

in this research oxidation kinetic panceuo.s (p.s) by s2o8-2 at the presence of agno3 ascatalyst was studied.the method was spectrophotometer following absorption spectrum (p.s) inwave length of 518 nm. after improving the condition such as ph, p.s concentration, k2s2o8concentration, ionic strength, temperature, rate constant, activation energy, constant frequency,order reaction and thermo dyna...

2016
Jorgen Ellegaard Andersen Hiroyuki Fuji Robert C. Penner Christian M. Reidys

We introduce the boundary length and point spectrum, as a joint generalization of the boundary length spectrum and boundary point spectrum in [1]. We establish by cut-and-join methods that the number of partial chord diagrams filtered by the boundary length and point spectrum satisfies a recursion relation, which combined with an initial condition determines these numbers uniquely. This recursi...

2017
Kim Jiramongkolchai Tin Yan Alvin Liu J. Fernando Arevalo

We report a case of peripheral retinal neovascularization and vitreous hemorrhage in the setting of HIV retinopathy that can serve to extend the clinical spectrum of this condition. A 53-year-old African-American woman with AIDS was referred for decreased vision in the left eye and was found to have peripheral retinal neovascularization and vitreous hemorrhage. She had a workup that was negativ...

2007
D. Borisov

We consider the Dirichlet Laplacian in a domain two three-dimensional parallel layers having common boundary and coupled by a window. The window produces the bound states below the essential spectrum; we obtain two-sided estimates for them. It is also shown that the eigenvalues emerge from the threshold of essential spectrum as the window passes through certain critical shapes. We prove the nec...

2017
Gustavo Gioia Pinaki Chakraborty

We show that the classic laws of the mean-velocity profiles (MVPs) of wall-bounded turbulent flows-the 'law of the wall,' the 'defect law' and the 'log law'-can be predicated on a sufficient condition with no manifest ties to the MVPs, namely that viscosity and finite turbulent domains have a depressive effect on the spectrum of turbulent energy. We also show that this sufficient condition is c...

2001
E B Davies

We define a class of pseudo-ergodic non-self-adjoint Schrödinger operators acting in spaces l 2 (X) and prove some general theorems about their spectral properties. We then apply these to study the spectrum of a non-self-adjoint Anderson model acting on l 2 (Z), and find the precise condition for 0 to lie in the spectrum of the operator. We also introduce the notion of localized spectrum for su...

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