p-级数性质研究

p-级数是数学分析课程中一个非常重要的级数,在已有结论的基础上,利用p-级数性质及阿贝尔变换,研究了p-级数当p是正整数,且p≥2时的几个性质。     

关于偶数p-级数的求和显式

在无穷级数理论中,p-级数是一个非常重要的数项级数.关于p-级数的收敛性问题早已解决,而其求和问题一直受到人们的关注.近年来,人们试图先解决偶数p-级数的求和问题,虽有进展,但并非理想.本文最终解决了这个问题,获得了偶数p-级数的一个求和显式,并给出了其交错级数的一个求和显式.     

BCI-代数的滤子

引入了BCI-代数的滤子的概念,讨论了滤子的性质,得到了它与BCK-部分和极小元的分支的关系,还给出了滤子、理想和子代数之间的关系,说明了结合和p-半单BCI-代数中滤子的特性,BCI-代数的滤子与理想具有同等重要的意义.     

关于p-半单BCI-代数的一点注记

对p-半单BCI-代数的一些重要性质作了归纳和总结,并对这些性质之间的相互关系作了推导,并给出了p-半单BCI-代数和其它几类重要的BCI-代数之间的关系,这将更方便于广大BCI-代数研究者对BCI-代数进一步的研究.     

L-双fuzzy拓扑空间的α-p连通性(Ⅰ)

以L-拓扑空间中的p-开集、p-闭集为基础,引入了L-双fuzzy拓扑空间的α-p连通性的概念,给出了它的一些等价刻画,并讨论了α-p连通性与其他连通性的关系,研究了其若干基本性质.     

交换可剩余半群的剩余BCI-代数

引入了交换可剩余半群的剩余BCI-代数的概念并讨论了其性质,表明了交换可剩余半群与BCI-代数的关系,得到了全序半群的剩余BCI-代数是BCK-代数,序半群是平凡的当且仅当其剩余BCI-代数是p-半单的.还给出了交换可剩余半群与其剩余BCI-代数的理想和滤子之间的关系.     

p-内射半模的若干性质

讨论了在无零因子半环上p-内射半模与可除半模的关系,并在此基础上讨论了p-内射半模的几个性质,最后建立了一个有关p.p半环上p-内射半模的结果。     

p-完美凸集和绝对p-完美凸集

给出p-完美凸集、绝对p-完美凸集的定义,讨论了Banach空间中p-凸集、p-完美凸集、绝对p-完美凸集三者之间的关系, 同时给出了p-完美凸集和绝对p-完美凸集的若干性质(0相似文献   

N(2,2,0)代数与BRK-代数

Ravi Kumar Bandaru提出了BRK-代数的概念,并研究了相关性质,证明了所有满足结合律的BRK-代数都是群.讨论N(2,2,0)代数与BRK-代数的关系,进一步研究了N(2,2,0)代数的理想与滤子,并在N(2,2,0)代数的p-根集上构造了一个商代数.     

BCI-代数的半单理想与fuzzy半单理想

引入了BCI-代数X的半单理想和fuzzy半单理想的概念，讨论了它们的关系和一些性质，并利用fuzzy半单理想刻画了p-半单BCI-代数．     

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.     

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     

An affordable accurate evaluation of the binding conformations predicted by molecular docking studies in bio-system

Franck-Condon factors bridge the gap between theoretical modeling and experimental observations for molecular electronic spectroscopy and electron transfer.Under the displaced harmonic oscillator approximation,multidimensional Franck-Condon factors are decomposed into a product of many one-dimensional(1D)Franck-Condon(FC)factors,and each 1D-FC factor is associated with one Huang-Rhys factor that determines the leading contribution of     

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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