نتایج جستجو برای: section 0
تعداد نتایج: 713954 فیلتر نتایج به سال:
This paper describes the distribution of living coccolithophores (LCs) in the Yellow Sea and the East China Sea in summer and winter, and its relationship with environmental factors by canonical correspondence analysis (CCA). We carried out a series of investigations on LCs distribution in the Yellow Sea and the East China Sea in July and December 2011. 210 samples from different depths were co...
and Applied Analysis 3 coth-function solution in [25, (41)] with a 1 = 0, a 2 = 1, Δ = −4σ, and −ε ln(−ε 0 )/2 = c 0 . φ 3 (ξ n ) is essentially equivalent to the tan-function solution in [25, (42)] with a 1 = 0, a 2 = 1, Δ = −4σ, and ξ 0 = c 0 , while φ 4 (ξ n ) is essentially equivalent to the cot-function solution in [25, (42)] with a 1 = 0, a 2 = 1, Δ = −4σ, and ξ 0 = c 0 . φ 7 (ξ n ) is es...
در این پایان نامه به بررسی واپاشی مزون j?? به دو مزون ?^0و ?^0به وسیله ی دو روش، فاکتوری کردن و روش حالت نهایی قوی پرداخته ایم.در ابتدا واپاشی فوق را از روش فاکتوری کردن مورد محاسبه قرار دادیم. ولی نتایج به دست آمده از این روش بسیار کمتر از نتایج تجربی بود. بنابراین روش دوم که در این پایان نامه به تفصیل بیان شده است؛ را برای این واپاشی به کار گرفته ایم؛ که این روش سه گذار مختلف را شامل می ش...
Abstract For a smooth germ of an algebraic variety and hypersurface $(f=0)$?> in $X$?> , with isolated singularity at $0$?> Teissier conjectured lower bound for the Arnold exponent $f$?> terms hyperplane section $f|_H$?> invariant $\theta_0(f)$?> hypersurface. By building on approach due to Loeser, we prove conjecture case log canonical thresholds. Bibliography: 21 titles.
In this paper we have showed the various applications of the Boltzmann equation in string theory and related topics. In the Section 1, we have described some equations concerning the time dependent multi-term solution of Boltzmann’s equation for charged particles in gases under the influence of electric and magnetic fields, the Planck’s blackbody radiation law, the Boltzmann’s thermodynamic der...
We study the possibility of the scalar charmonium and glueball mixing in e + e − annihilation at √ s = 10.6 GeV. The effects can be used to explain the unexpected large cross section (12 ± 4 fb) and the anomalous angular distribution (α = −1.1 +0.8 −0.6) of the exclusive e + e − → J/ψχ c0 process observed by Belle experiments at KEKB. We calculate the helicity amplitudes for the process e + e −...
The SLAC polarized electron beam allows the SLD experiment a high-precision measurement of sin θ W using the parity violating cross section asymmetry ALR at the e+e− → Z vertex. The SLD also uses the small luminous e+e− collision region and CCD vertex detector to tag heavy quark final states for probing the Z → qq̄ vertex. Results are presented on the following selected topics: ALR, the Z 0 → bb̄...
This note is a complement of the paper " Solving BSDE with adaptive control variate " [1]. It deals with the convergence of the approximating operator P, based on a non parametric regression technique called local averaging, and defined in Definition 1.1. Although the computations are quite standard (see [3], [2]), the specificities of the paper are the following • the support of the variables ...
A study of W-pair production in ee collisions at LEP energies up to 183 GeV is presented [1]. Using all decay channels, the total WW cross-section is measured to 15:43 0:61(stat:) 0:26(syst:)pb. The W-branching fraction into hadrons of 67:9 1:2(stat:) 0:5(syst:)% is interpreted as a measurement of the CKM matrix element jVcsj. The angular distributions of the selected W's and their decay produc...
Let f : [0,+∞) −→ (0,+∞) be a sufficiently smooth convex function, vanishing at infinity. Consider the planar domain Q delimited by the positive x-semiaxis, the positive y-semiaxis, and the graph of f . Under certain conditions on f , we prove that the billiard flow in Q has a hyperbolic structure and, for some examples, that it is also ergodic. This is done using the cross section correspondin...
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