时齐马氏链渐进性双曲方程稳定解存在性分析

双曲方程的稳定解分析方法在现代数学应用中具有广泛的意义。采用时齐马氏链进行双曲方程稳定解存在性分析具有模型匹配度高的优点。构建时齐马氏链的双曲波动方程,设计自组织非光滑时滞的双曲系统,结合时齐马氏链渐进性条件下的Lyapunov-Krasovskii泛函算法,对时齐马氏链渐进性条件临界阈值确定,以有效分析双曲方程的稳定解存在性,提高并行算法处理效率,在一阶非光滑时滞系统中得到方向性时齐马氏链函数的分解特征。研究证明,时齐马氏链渐进性条件下,双曲方程存在稳定性解,解向量在有限时间内收敛。     

Circular RNA Signals More Complexity and Diversity in Gene Expression Regulation

<正>It is well known that when the genes of a cell are being expressed,the DNA chains unwind and transcribe their genetic information to RNA chains.One might take it for granted that the RNA chains are linear in shape,however,according to the latest results reported as an     

基于“三链”高级化的集群式产业链升级机理

集群式产业链是研究产业集群升级的一个很好的研究视角。本文在对集群式产业链升级概念、逻辑分析的基础上,深入集群式产业链组织内部,重点就集群式产业链升级的核心机制--“三链”高级化机制进行分析。基于“产品链”“知识链”“价值链”三维提出并论述了“三链”高级化与升级机制,探讨了其升级路径,剖析了集群式产业链"三链"高级化协同发展模型。     

江西教育信息化产业链竞争优势分析——基于波特竞争理论

论文定义了教育信息产业链的概念和范畴,并基于波特竞争理论对江西省教育信息化产业链竞争优势和存在问题进行了分析,在此基础上提出了发展江西教育信息产业链的相关对策。     

Assessing the progress and the underlying nature of the flows of doctoral and master degree candidates using absorbing Markov chains

In this paper, absorbing markov chains are used to analyse the flows of higher degree by research candidates (doctoral and master) within an Australian faculty of business. The candidates are analysed according to whether they are full time or part time. The need for such analysis stemmed from what appeared to be a rather poor completion rate (as reported by the University concerned). However, this reported completion rate was a ‘macro’ figure that aggregated PhD and Master (by full time and part time) completions together. If there really was a problem, then the Faculty needed to know where in the system it was and what potentially might then be done to remedy the problem. The assembling of data into an appropriate database was difficult and required considerable care, but an adequate database was developed. The application of the absorbing markov chains to the problem resulted in an increase in the level of understanding associated with the long term underlying probabilities of completion and also expected durations of candidature. This information highlighted one area of concern. With the information gained from this study, appropriate strategies can subsequently be put in place for the rectification of some of the areas of concern discovered in the analysis. Areas for further research are also highlighted in this paper. Based on an earlier version of a paper delivered at the Western Decisions Sciences Institute 34th Meeting, Vancouver, Canada, 2005.     

马尔可夫预测分析的应用

马尔可夫预测法是应用概率论中马尔可夫链的理论和方法来研究分析有关经济数据的变化规律，并由此预测未来变化趋势的一种方法。利用马尔可夫链的有关知识可以对市场占有率进行预测。     

永胜方言中uen韵的产生及理论探讨

社会因素、心理因素 ,更重要的是该方言内部组织结构因素导致了uen韵的产生 ,在ong韵分化的过程中体现了平衡化、规则化的功能及所演绎的“格林法则”。     

基于特殊加法链的快速安全椭圆曲线标量乘算法

为了抵抗椭圆曲线密码的边信道攻击,提出了一种新型快速安全的标量乘算法.该算法是一种基于仅有点加运算的特殊加法链,可自然地抵抗边信道攻击.此外,提出在一种新型点加运算公式中引进特殊结构的加法链,可以大大提高标量乘算法的运算效率.对于长度为160比特的整数,其特殊加法链长度为260时,仅仅需要1 719次乘法运算.特殊加法链长度为280～260时,运行标量乘算法比倍点-点加算法效率上提高26%～31%,比NAF算法快16%～22%,比4-NAF算法快7%～13%,比目前最好的方法双基链算法还要快1%～8%.     

基于底数可变特性的模幂乘算法

根据快速计算a^2^5以及二进制冗余数的特点，结合模n和可变底数n，对指数m动态的取最优的幂后进行模幂乘运算，其乘法运算次数的上界为1．414L(其中L=└log2^m┘ 1)，接近理论最优值．     

技能与全球价值链影响下的成人教育发展启示——基于《2017技能展望》的分析

融入全球价值链、促进经济全球化是目前世界各国经济发展的重要趋势。在此背景下,经济合作与发展组织(简称OECD)在2017年5月4日发布《2017技能展望》(OECD Skills Outlook 2017),主题是《技能与全球价值链》(Skills and Global Value Chains),建立在OECD《2013成人技能调查》报告和OECD-WTO"价值增值贸易数据库"分析基础上。研究以OECD发布的官方报告和相关数据为基础,对全球价值链和技能的相互关系、各成员国表现、相关政策建议及对我国成人教育的影响等方面进行了梳理和分析。