n维Lorentz变换

以Clifford代数为工具，讨论n维Minkowski空间的性质，得到n维Minkowski空间的Lorentz变换。     

2-Banach空间中压缩映象对的不动点定理

本文在2－Banach空间中讨论了压缩映象对的公共不动点的存在性，得到了一些新型的不动点定理。     

The relevance of innovative school architecture for school principals

In many cases, innovative forms of learning require innovative concepts of using space in school. However, so far there has been a lack of research concerning the perspectives of school principals as important stakeholders in the adoption of alternative school architecture. The present study examines the importance of alternative school architecture in a sample of 1164 principals (56% females, mean-age 52.7 years) in Austria. An online questionnaire was conducted, containing questions about the school building, innovative forms of learning, and principals’ level of information, perceptions, and thoughts on the relevance of school architecture, as well as their motivation and self-efficacy. Results showed that principals are aware of the advantages of certain architectural elements, although these elements have been implemented in only a few schools. A high proportion of respondents report a lack of information about configurations of space that go beyond the traditional corridor-scheme. We conclude that although principals are in general open for the alternative configuration of space further efforts have to be made to overcome the obstacles that prevent principals from launching new concepts of using space, which are a lack of competitive resources and knowledge as well as an inadequate professional network.     

穆旦在新中国的诗歌创作及意义

在意识形态话语的压抑下，新中国的穆旦领旦领悟到了生命个体的虚弱与渺小，因此诗人重审自己的生存位置，确认了自我的“小人物”身份，在自动疏离主流话语之后，诗人在诗歌创作中自由表达生命个体对于时代与自我的独特感受，从而在诗歌本中建构起一个独立自足的主体空间。     

特色发展:湖南高职教育拓展生存空间的关键

高职教育是现代蓝领的摇篮,是培养适应生产、建设、管理、服务第一线需要的高级应用型人才的教育。高职教育的角色定位与办学特色不仅应该与普通高等教育不同,而且应该各自具有独特的特色。湖南高职教育存在趋同化的问题,其原因与认识不到位、先天不足和投入不足有关,其解决的措施必须从多方着手,打造湖南高职教育的特色品牌。     

Relationship of public preferences and behavior in residential outdoor spaces using analytic hierarchy process and principal component analysis—— a case study of Hangzhou City, China

INTRODUCTION Nowadays, as a large number of residential blocks and college campuses are being constructed nationwide in China, improvement in the quality of residential community becomes a rising issue of city policy and urban planning. Layouts of open spaces in residential areas are predicated on their ability to deliver both a mechanism to maintain the viability of citizens’ outdoor lives and a treatment to alleviate the high-density of urban constructions. What kinds of residential o…     

"两岸一中"与台湾海峡经济区

台湾海峡两岸十几年来经贸发展迅速,台湾经济与祖国大陆经济关联密切.正在形成的东亚经济一体化"10 1"和"10 3",将进一步削弱台湾的经济竞争力,台湾经济只有融入祖国大陆经济才有出路,海峡两岸经济一体化是不可逆转的趋势.<反分裂国家法>已经从法理上确认要促进两岸关系发展、推进两岸和平统一,由海峡东岸的台湾、海峡西岸的福建以及浙江南部、广东东部、腹地江西中东部地区构建成的台湾海峡经济区,也就成为区域经济发展的必然.     

拟严格凸和拟光滑的Banach空间

引入了拟严格凸、拟光滑、拟非常光滑空间以及拟LUR和拟弱LUR空间等概念,推广了K—严格凸、k—光滑、k—非常光滑和LKUR空间的一些结果,并给出了Banach空间为自反空间的一些充要条件。     

嵌入式系统PCI总线接口设计

PCI总线是一种高性能外围设备接口总线,已经广泛地被应用于嵌入式系统.由于PCI总线协议的复杂性,其接口实现比较困难.通过设计一种身份认证智能卡,介绍了利用PCI 9054实现嵌入式系统中FPGA与PCI总线接口的设计过程,并指出了开发过程中应注意的问题.