A family of quasi-cubic blended splines and applications

INTRODUCTION Bézier curves and uniform B-spline curves are powerful tools for constructing free form curves and surfaces (FFC/FFS). But they cannot represent the arcs, hyperbola, sphere, cylinders and other transcendental curves and surfaces exactly. In order to avoid the in- conveniences, many bases are presented in other new spaces (Zhang, 1996; Pe?a, 1997; Walz, 1997; Sánchez-Reyes, 1998; Mainar et al., 2001). Note that, these existing methods can deal with both polynomial curve…     

Swarm intelligence for mixed-variable design optimization

Many engineering optimization problems frequently encounter continuous variables and discrete variables which adds considerably to the solution complexity.Very few of the existing methods can yield a globally optimal solution when the objective functions are non-convex and non-differentiable.This paper presents a hybrid swarm intelligence approach(HSIA)for solving these nonlinear optimization problems which contain integer,discrete,zero-one and continuous variables.HSIA provides an improvement in global search reliability in a mixed-variable space and converges steadily to a good solution.An approach to handle various kinds of variables and constraints is discussed.Comparison testing of several examples of mixed-variable optimization problems in the literature showed that the proposed approach is superior to current methods for finding the best solution,in terms of both solution quality and algorithm robustness.     

大学校长全球峰会

为了响应联合国秘书长安南提出的“高等院校应该更多地参与国际公共政策和事务”倡议,纽约地区5所高校发起成立了大学校长全球峰会。首届峰会于2005年1月18日至19日在哥伦比亚大学举行,全球著名研究型大学的40多位校长和学者参加了会议,并于6月27日发表了《学术自由宣言》,倡议全球大学校长联合签名,共同创建自己认同的学术自由氛围和环境。     

抢修车辆GPS卫星定位系统在福州电业局的应用

对原有和现在的电力故障抢修状况进行对比分析，详细介绍了抢修车辆GPS卫星定位系统的硬件、应用软件和体系结构，及其建设成果。通过抢修车辆CPS卫星定位系统的建设，不仅加强了抢修车辆的管理。提高了抢修效率，而且引发了管理模式上的变化，大大提高了客户满意率。     

Application of stochastic method to optimum design of energy-efficient induction motors with a target of LCC

INTRODUCTIONMostcountrieshaveimplementednewpoli ciesontheenergysavingandenvironmentpro tection.AmericanPresidentBushsigned“TheComprehensiveNationalEnergyPolicyAct”in1992statingthatnogeneral purpose ,three phaseinductionmotorswillbeallowedintoUnit edStat…     

从供应链管理看企业发展的方向

本文主要论述了供应链管理的含义，怎样通过合理的供应链管理减少交易成本，经济全球化给供应链带来的新的机遇和发展。未来供应链管理的发展趋势。     

中国城市蔓延对绿色全要素生产率的影响

提高城市发展质量是现阶段经济高质量发展的应有之义,中国城镇化进程中的城市蔓延已成为影响城市高质量发展的重要因素。本文利用2004—2017年中国285个地级及其以上城市面板数据,实证考察了城市蔓延与绿色全要素生产率之间异质性关系。研究发现：①城市适度蔓延对绿色全要素生产率起显著提升作用,蔓延过度则呈现抑制效应或者影响不明显;②就人口集聚的区域差异而言,城市蔓延对东部地区促进作用突出,而对中西部地区更多表现出抑制效应;③此外,随着经济超过最优集聚区间,两者之间的反方向关联变为同向关系,进一步发现,两者之间显著存在基于制造业集聚的“倒U型”门槛效应,而在服务业集聚程度较高的城市,城市蔓延的促进效应并不显著。本文深化了对城市蔓延影响城市绿色发展基本规律的认识和理解,为城市高质量发展的“顶层设计”提供了有益的参考,对中国正在推进的以中心城市引领城市群和新型城镇化战略也有着启示意义。     

A new theoretical framework for analyzing stochastic global optimization algorithms

１　Ｉｎｔｒｏｄｕｃｔｉｏｎ　Ｓｔｏｃｈａｓｔｉｃｇｌｏｂａｌｏｐｔｉｍｉｚａｔｉｏｎａｌｇｏｒｉｔｈｍｉｓｃｏｎｃｅｒｎｅｄｗｉｔｈｕｓｉｎｇｒａｎｄｏｍｌｙｇｅｎｅｒａｔｅｄｐｏｉｎｔｓｔｏａｐｐｒｏｘｉｍａｔｅｏｐｔｉｍａｌｓｏｌｕｔｉｏｎｏｆｍａｔｈｅｍａｔｉｃａｌｐｒｏｇｒａｍｍｉｎｇ（ｓｅｅＲｅｆｓ．１～３ｆｏｒａｓｕｒｖｅｙｏｆｔｈｅｆｉｅｌｄ）．Ｆｏｒｓｏｍｅｓｔｏｃｈａｓｔｉｃｇｌｏｂａｌｏｐｔｉｍｉｚａｔｉｏｎａｌｇｏｒｉｔｈｍｓ,ｔｈｅｎｅｘｔｐｏｉｎｔｓｉｎｔｈｅｓｅｑ…     

Students in service of the state: Uncoupling student trips abroad and global competence

Student exchange programs and trips abroad are consistently portrayed in scholarship as a strategy for promoting students’ global competence. Through a thematic document analysis of a mandatory course developed by the Israeli MOE for students embarking on trips abroad and additional sources, I explore the discourse used to portray these trips in the Israeli context, showing an alternative model that places the state rather than students at the center of these programs. Although from an education perspective this discourse is distinct, political science scholarship suggests the goals it embodies could be embedded across many national contexts, albeit more discretely.     

The role of rankings in higher education policy: Coercive and normative isomorphism in Kazakhstani higher education

The present study aims to investigate the role of rankings in Kazakhstani higher education policy and their influence on a group of national universities in Kazakhstan. The analysis draws attention to the role of the Kazakhstani government and accreditation agencies in developing coercive and normative isomorphism in Kazakhstani higher education. The analysis of university missions and development strategies of a group of universities with a special status has revealed that national universities are pushed towards an Anglo-American model of a research university. Further research is suggested to assess the response of Kazakhstani higher education institutions (HEIs) to these coercive and normative pressures.