广义模糊p-伪范数与局部半凸I-拓扑向量空间

给出局部半凸I-拓扑向量空间的一个新定义,并重新命名"局部半凸模糊拓扑线性空间"为"(QL)-型局部半凸I-拓扑向量空间",研究这两种定义之间的关系,引入广义模糊p-伪范数的概念,证明每个局部半凸I-拓扑向量空间可通过一族广义模糊p-伪范数来刻画.     

双范数-ξ-模糊子代数

与已往同类研究只对一个特殊的具体范数或对同一个范数进行研究不同，引进了双范数-ξ-模糊子代数的概念，并讨论了它的等价性、格结构以及同态代数间双范数-ξ-模糊子代数的关系等一些重要性质．     

模糊赋半范空间的性质研究(Ⅰ)

研究了模糊赋半范空间的两种完备性,即关于分明拓扑结构的完备性(τ-完备)和模糊拓扑结构的完备性( τ—完备)。     

拓扑的并或交

■是集X上的拓扑的全体,■的元τ同时表示自己所有的开集所成的族。证明了:①〈τξ|ξ<α〉■■■∩ξ<ατξ∈■。②〈τξ|ξ<α〉■■,满足条件(1)或(2)■∪ξ<ατξ∈■。③命题1:〈A,<〉是有序集(半序或全序),那么埚〈xξ|ξ<α〉≡B■A,满足(ⅰ)μ<ν<α■xμ相似文献   

一种模糊时空描述逻辑F-ALCT(D_(fst))

为了实现语义Web中模糊时空知识的表示与推理,提出了一种支持模糊时空具体域的模糊描述逻辑F-ALCT(D_(fst)).首先,构建了包含模糊时空区域及其时空拓扑谓词的模糊时空具体域D_(fst),给出了两个模糊时空区域之间的拓扑关系模糊度的计算方法.然后,将D_(fst)和时态操作符引入到模糊描述逻辑FuzzyALC中,构建出一种新的模糊描述逻辑F-ALCT(D_(fst)),并定义了其语法、语义和知识库.最后,给出了一个F-ALCT(D_(fst))的知识库实例.F-ALCT(D_(fst))有效地实现了语义Web中模糊时空知识的表示.     

几乎半预连续模糊多值映射

本文在作者定义的模糊半预开集的基础上，在一般拓扑空间（X，T）与模糊拓扑空间（Y，T1）之间引入了模糊下与上几乎半预连续多值映射的概念，并借助于映射F＊与F^*证明了模糊下几乎半预连续多值映射的五个等价条件：（1）A↓U∈T1,F*(U)∪→SPintF*(SPintSPclU)；（2）若U是Y中模糊正则半预开集则F*(U)是X中的半预开集；（3）A↓U∈T1，F*(SPintSPclU)是X中的半预开集；（4）若V是Y中模糊闭集，F^*(V)∪←SPclF^*(SPclSPintV)；（5）若V是Y中的模糊正则半闭集，则F^*(V)是X中的半预闭集。对于模糊上几乎半预连续多值映射也有类似的结果。     

模糊完全连续函数的某些弱形式

作为模糊完全连续函数的推广，本文在模糊拓扑空间中引入了两类函数──模糊半完全连续函数和模糊半强θ──连续函数．这两类函数介于由Ｍｕｋｈｅｒｊｅｅ和ＧｈｏＳｈ最近引入的模糊完全连续函数和模糊强θ──连续函数之间．初究了这些函数的某些性质．     

模糊强半不定与上半不定映射

在［１］的基础上；我们引入并研究了模糊拓扑空间之间强于半不定映射的两类新形式，并用模糊半重域、半θ闭包、半δ闭包对其进行了刻划。最后讨论了他们与其它有关映射间的联系。     

基于Java的模糊谓词混淆技术

首先介绍了混淆技术的研究现状和软件混淆技术,然后对基于模糊谓词的混淆方法作了深入研究,并给出一种基于Java的构建模糊谓词的方案,该方案增加了模糊谓词的复杂性,增加了抵抗攻击者动态分析的能力,增加了反编译的难度.     

具有开点拓扑的函数空间上的基数函数

若X是完全正则空间,1)若X是零维的,f∈C(X)且|f(X)|=κ~+,则开点拓扑的特征大于基数κ;2)空间X的π权不超过开点拓扑的伪特征;3)如果X有由非平凡连通集构成的π基ξ且|ξ|≤κ,则开点拓扑的稠密度不超过基数κ;4)如果X有由非平凡连通集构成的π基ξ且|ξ|≤κ并且有一个较粗的度量拓扑,则双点开拓扑的稠密度不超过基数κ.这些结果推广了A. Jinal, R. A. McCoy和S. Kundu的相应结果.     

Markedness and its Interpretation in Language Use

Language markedness is a common phenomenon in languages, and is reflected from hearing, vision and sense, i.e. the variation in the three aspects such as phonology, morphology and semantics. This paper focuses on the interpretation of markedness in language use following the three perspectives, i.e. pragmatic interpretation, psychological interpretation and cognitive interpretation, with an aim to define the function of markedness.     

Features of Women's language

Language is a means of verbal communication. People use language to communicate with each other. In the society, no two speakers are exactly alike in the way of speaking. Some differences are due to age, gender, statue and personality. Above all, gender is one of the obvious reasons. The writer of this paper tries to describe the features of women＇s language from these perspectives： pronunciation, intonation, diction, subjects, grammar and discourse. From the discussion of the features of women＇s language, more attention should be paid to language use in social context. What＇s more, the linguistic phenomena in a speaking community can be understood more thoroughly.     

低渗透非均质砂岩油藏启动压力梯度研究

理论推导与室内实验相结合,建立了低渗透非均质砂岩油藏启动压力梯度确定方法。首先借助油藏流场与电场相似的原理,推导了非均质砂岩油藏启动压力梯度计算公式。其次基于稳定流实验方法,建立了非均质砂岩油藏启动压力梯度测试方法。结果表明:低渗透非均质砂岩油藏的启动压力梯度确定遵循两个等效原则。平面非均质油藏的启动压力梯度等于各级渗透率段的启动压力梯度关于长度的加权平均;纵向非均质油藏的启动压力梯度等于各渗透率层的启动压力梯度关于渗透率与渗流面积乘积的加权平均。研究成果可用于有效指导低渗透非均质砂岩油藏的合理井距确定,促进该类油藏的高效开发。     

On Tragic Consciousness In The Works By Ernest Hemingway

As an American modern novelist who were famous in the literary world, Hemingway was not a person who always followed the trend but a sharp observer. At the same time, he was a tragedy maestro, he paid great attention on existence, fate and end-result. The dramatis personae's tragedy of his works was an extreme limit by all means tragedy on the meaning of fearless challenge that failed. The beauty of tragedy was not produced on the destruction of life, but now this kind of value was in the impact activity. They performed for the reader about the tragedy on challenging for the limit and the death.     

Achieving Unusual States of Matter Under High Pressure

正The periodicity of the elements and the non-reactivity of the inner-shell electrons are two related principles of chemistry,rooted in the atomic shell structure.Within compounds,Group I elements,for example,invariably assume the+1 oxidation state,and their chemical properties differ completely from those of the p-block elements.These general rules govern our understanding of chemical structures and reactions.Using first principles calcula-     

Exchange-Correlation and Electronic Excitation Energies from Pairing Matrix Fluctuations

We have developed an adiabatic connection to formulate the ground-state exchange-correlation energy in terms of pairing matrix linear fluctuations.This formulation of the exchange-correlation energy opens a new channel for density functional approximations based on the many-body perturbation theory.We illustrate the potential of such approaches with an approximation based on the particle-particle Random Phase Approximation(pp-RPA).This re-     

Density Functional Theory for the Response of Periodic Systems to Electric Fields Based on the Vector Potential Approach

正The electronic and nuclear(structural/vibrational)response of 1D-3D nanoscale systems to electric fields gives rise to a host of optical,mechanical,spectral,etc.properties that are of high theoretical and applied interest.Due to the computational difficulty of treating such large systems it is convenient to model them as infinite and periodic(at least,in first approximation).The fundamental theoretical/computational problem in doing so is that     

On the Thermodynamic Limit for Responses to Static Electromagnetic Fields

For molecular systems,the quantum-mechanical treatment of their responses to static electromagnetic fields usually employs a scalar-potential treatment of the electric field and a vector-potential treatment of the magnetic field.Although the potential for each field separately is associated with the choice of an(unphysical)origin,the precise choice of the origin for the electrostatic field has little consequences for the results.This is different for the     

Call for Papers

<正>"The Journal of Shanghai Normal University:Mathematics"is published by Shanghai Normal University as regular issues of The Journal of Shanghai Normal University each year from 2014 in English.The editors-in-chief of the issues are professors Yuhao Cong and Maoan Han.The Journal of Shanghai Normal University was started in 1958 with     

Journal of Donghua University ( English Edition) Contents of Volume 31

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