نتایج جستجو برای: معادله ade
تعداد نتایج: 14784 فیلتر نتایج به سال:
This paper classifies a class of holomorphic D-branes, closely related to framed torsion-free sheaves, on threefolds fibered in resolved ADE surfaces over a general curve C, in terms of representations with relations of a twisted Kronheimer– Nakajima-type quiver in the category Coh(C) of coherent sheaves on C. For the local Calabi–Yau case C ∼= A and special choice of framing, one recovers the ...
We study geometric engineering of four-dimensional N = 1 gauge models from M-theory on a seven-dimensional manifold with G 2 holonomy. The manifold is constructed as a K3 fibration over a three-dimensional base space with ADE geometry. The resulting gauge theory is discussed in the realm of (p, q) webs. We discuss how the anomaly cancellation condition translates into a condition on the associa...
This paper may be considered as a mathematical essay on the question “What is a solution of an algebraic differential equation?” Many theorems in differential algebra are proved by differentiating an algebraic differential equation several times, and then eliminating certain quantities, say, by the use of resultants. We give the simplest example of this, that every C” solution of an ADE satisfi...
The phenomenon known as antibody-dependent enhancement (ADE) has been demonstrated in vitro but its significance in viral pathogenesis is uncertain even though it has been associated with dengue shock syndrome. Here we report for the first time the enhancement of virus virulence in mice using monoclonal antibodies (MAbs) prepared against yellow fever (YF) viruses. Our results show that the aver...
Hospitalized children are at greater risk for adverse drug events (ADEs) due to varying size, development and lack of pediatric specific dosing.The project determined ADE rate for40 randomly selected pediatric hospitalized inpatients utilizing the Pediatric-Focused Trigger Tool in a retrospective review. 171 triggers revealed 10 unique ADEs involving 8 patients, including ICU, general unit, and...
This study investigated the effects of homocysteine (Hcy) on angiogenesis in cultured human umbilical vein endothelial cells (HUVEC) and zebrafish embryos. We found that Hcy (50 micromol/L) significantly decreased cell numbers, viability, and induced a G1/S arrest in HUVEC in the presence of adenosine (Ade, 50 micromol/L). Hcy, in combination with Ade, reduced migration and suppressed tube-like...
DE algorithm is a population-based heuristic global search technology. The algorithm has simple principle, fewer control parameters, but has strong robustness, and good optimization performance. This paper uses differential evolution algorithm for parameters identification of Wiener model. Firstly, we analyze the influence of mutation rate F on global parallel search ability and convergence in ...
This paper introduces a new method that facilitates the stability analysis of system dynamics models. The method is based on the concepts of asymptotic stability and Accumulated Deviations from Equilibrium (ADE) convergence. We prove several theorems that show that ADE convergence of a state variable will make its trajectory approach asymptotic stability. Achieving ADE convergence requires the ...
A finite subgroup of the conformal group SL(2,C) can be related to invariant polynomials on a hypersurface in C. The latter then carries a simple singularity, which resolves by a finite iteration of basic cycles of deprojections. The homological intersection graph of this cycles is the Dynkin graph of an ADE Lie group. The deformation of the simple singularity corresponds to ADE symmetry breaki...
The complex-frequency-shifted perfectly matched layer CFS-PML technique can efficiently absorb near-grazing incident waves. In seismic wave modeling, CFS-PML has been implemented by the first-order-accuracy convolutional PML technique or second-order-accuracy recursive convolution PML technique. Both use different algorithms than the numerical scheme for the interior domain to update auxiliary ...
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