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The bilinear form of BBM equation has known, so we can similiarly get the bilinear form of associated DGH equation, then we can get the bilinear form of DGH equation and 1-soliton by a approciate method.

BBM方程的双线性已知,通过恰当的设法可以类似得到关联DGH方程的双线性形式,即得到了DGH方程的双线性形式,并由此得到了DGH方程的1—孤子解。

In chapter three, the new concepts of the bifurcation point and asymptotic bifurcation point of compact continuous operators in Menger PN-spaces are introduced. Some sufficient conditions for the existence of the bifurcation point and asymptotic bifurcation point are obtained. And the problems on the intrinsic value and intrinsic element of compact continuous operators are studied in Menger PN-spaces. A series of theorems on the existence of the intrinsic value and intrinsic element are obtained.

第三章,在概率赋范线性空间中提出非线性算子的歧点和渐近歧点的新概念,获得了非线性算子存在歧点和渐近歧点的充分条件;讨论了Menger概率赋范线性空间中非线性算子的固有值和固有元问题,得到了非线性算子存在固有值和固有元的一系列充分条件。

The rules of the cold-test characteristics changing with helix pitch are also studied and it turns out that, with increasing helix pitch, the phase velocity increases linearly, the interaction impedance changes nonlinearly and the attenuation constant decreases nonlinearly. At the same time, with the limitation of the synchronism between the electron beam and the electromagnetic wave, the change of pitch is small and therefore an approximate linear relation can be introduced.

研究表明:相速几乎随螺距增大而线性变大,互作用阻抗与螺距是非线性的关系,衰减常数随螺距增大而非线性地减小;由于在维持电子注与电磁波速度同步的限制下,螺距变化的幅度不可能很大,因此可近似按线性关系来处理互作用阻抗及衰减常数与螺距之间的关系。

Automorphism group of a linear code is obtained with the help of the general linear group constructed by all invertible matrices, and it is illustrated by matrices generalized inverses.

给出了通过求解可逆矩阵构成的一般线性群,获得线性码的自同构群的方法,并利用矩阵广义逆理论,对线性码的自同构群进行进一步刻划。

In this paper, we study characterizations of admissible in the general linear model Y, Xβ,ε|ε~(0,σ~2∑. We demonstrate that an admissible linear estimator is as the conditional generalized ridge-type estimation in the no constraint, equality constraint, inequality constraint general linear model. We study the superiority of this conditional generalized ridge-type estimation, and prove that it is superior to the restricted best linear unbiased estimator in terms of mean squares. We also give the choice of the matrix K.

本文主要研究了一般线性模型Y,Xβ,ε|ε~(0,σ~2∑中参数估计的可容许性特征,得到了一般线性模型在无约束,有等式约束及有不等式约束下,可容许线性估计均具有条件广义岭估计的形式的结论,并且讨论了这一条件广义岭估计的优良性,证明了其在均方误差和均方误差矩阵意义下都优于约束最小二乘估计,给出了参数矩阵K的选取方法。

All real simple Malcev algebra,are classified according to whether or not they have a compatible complex structure and simultaneously we give all the invariant bilinear forms by the killing form of the real simple Malcev algebra or the killing form of it s complexification .

研究实单Malcev代数上的不变双线性型,仿照李代数的情形给出实Malcev代数上的容许复结构、实Malcev代数的复化以及Malcev代数上的不变双线性型等概念,并通过对实单Malcev代数上容许复结构的讨论,将实单Malcev代数上的不变双线性型分为两种情形。

Therefore in recent, the research about bilinear mapping based group signature is also at a start stage, there are no a bilinear mapping based group signature scheme obtains common recognition. There are some design defects in existing schemes, and the security is not very ideal.

所以目前基于双线性映射的群签名还处于一个起步阶段,还没有一个有代表性的基于双线性映射的群签名方案,而现有的一些基于双线性映射的群签名方案的设计缺陷较多,且安全性较差。

A comprehensive research has made in the application of elliptic curve based bilinear mapping in the group signature, security of bilinear mapping is established on the GAP group. Because the DDH problem is easy to solve in GAP, this fact results it is very difficult to design a bilinear mapping based group signature scheme which can satisfy anonymity and the tractability.

对基于椭圆曲线的双线性映射在群签名中的应用进行了深入的研究,由于双线性映射的安全性建立在GAP群上,而在GAP群上的DDH问题是容易求解的,这样导致在基于双线性映射的群签名方案设计中很难同时兼顾群签名的匿名性和可跟踪性。

A comprehensive research has made in designing technologies of bilinear mapping based threshold group signature scheme. A bilinear mapping based chamellon threshold group signature and a forward security threshold group signature were analyzed, the mistakes and flaws in these schemes were pointed out.

对基于双线性映射的门限群签名方案设计技术进行了深入的研究,分析了一个基于双线性映射的卡梅隆门限群签名和一个基于双线性映射的前向安全的门限群签名,指出了这些方案设计中存在的一些设计错误和缺陷。

Firstly, an ID-based signature scheme is proposed based on pairings. The bilinearity and non-degeneration of pairings are explored to make the verification result of the signature vary only with the identity of the signer.

基于双线性对构造了一种基于身份的签名算法,利用双线性对的双线性和非退化性,使得算法中签名矢量的验证结果相对于用户身份为一个常量。

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With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务,乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐,因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。

Closes the eye, the deep breathing, all no longer are the dreams as if......

关闭眼睛,深呼吸,一切不再是梦想,犹如。。。。。。