查询词典 archimedean semigroup

This paper also starts with this point, we introduce the concepts of weak* continuous operator semigroup and its generator on the dual of a Banach space, and discuss its relevant contents.

本文也是从这个角度出发，引入了Banach空间的对偶空间上的弱~*连续算子半群及其生成元，并对相关内容进行了讨论。

A sufficient and necessary condition about a linear weak* densely defined operator is the generator of a contraction weak continuous operator semigroup on X* is given.

叮叫且川人蛋A川＊三5，人＞o 第三章从另一角度出发，利用定义在X"上的耗散算子刻画弱"连续算子半群的生成元。

Finally, we study the eventual differentiability of a C_0-semigroup associated to a waveequation with boundary dissipation.

最后，我们讨论了一类具边界耗散的线性双曲型方程生成的算子半群的最终可微性，并利用这个结果得到了方程的解具有最终正则性以及半群满足谱决定增长条件。

The paper first obtains the L2 -apriori estimates for the solutions of two kinds of autocatalytic model s under Dirichlet boundary conditions, and then, using the properties of linear semigroup and delicate calculations, the estimates of the maximal norms are obtained, therefore, the global existence of the solutions is proved.

该文利用重要不等式及能量积分方法首先得到了解的初等的先验估计。然后利用线性半群的有关性质及精细计算得到了解的最大模估计，从而证明了两类三次自催化模型在Dirichlet边界条件下整体解的存在性，并进而证明了第一类模型的最大吸引子的存在性

Aim In order to prove a semiring whose additive reduct is a semilattice and multiplicative reduct is a inverse semigroup to be a distributive lattice.

摘要目的求证加法导出是半格、乘法导出是逆半群的半环成为分配格的充要条件。

The subject matter of this paper lies at the crossroads of six areas: ring the-ory, group theory, semigroup theory, graph theory, elementary number theory andcombinatorics.

本课题主要涉及数学中的六个领域：环论，群论，半群论，图论，初等数论和组合数学。

When G is not a commutative semitopological semigroup, Lau and Takahashi proved the ergodic theorem for right reversible semigroups of nonexpansive mappings by using the methods of invariant means.

而当G非交换时，Lau和Takahashi利用不变平均技巧，在假定G是右可逆，X具一致Frechet可微范数及RUC存在不变平均等条件下，给出了非扩张半群的遍历压缩定理。

By using the semigroup theory and the characteristic theory respectively,we first get the integral equation.

此类方程已有许多结果（见References），但大部分都是对a，b，c为常数或〓比较特殊时进行讨论的。

The results are obtained by using semigroup theory and the Schauder fixed point theorem.

文中给出了预解算子的定义、适度解和强解存在定理以及定理的详细证明。

In particular, it is difficult to prove the Frechet differential for the semigroup {S}_(t≥0) in L~(2p) directly.

R~n(n≥3)是有界光滑区域，p≥2，初始值u(0)∈L~2，外力项g∈L~2，且非线性项f∈C~2满足我们在空间L~(2p)证明了指数吸引子的存在性。

You can do some assertiveness training.

你可以进行一些自信训练。

We were well on the path to making a rear-wheel-drive global platform," says Mays."

我们正致力于建立一个后轮驱动的平台，"Mays这样说道。"