| 一个线性算子半群的扰动 |
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| 引用本文： | 张利勋.一个线性算子半群的扰动[J].电子科技大学学报(社会科学版),1997(4). |
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| 作者姓名： | 张利勋 |
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| 作者单位： | 电子科技大学光电子技术系 |
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| 摘 要： | 考虑Ｅ．Ｈｉｌｅ－Ｅ．Ｙｏｓｉｄａ线性算子（半）群和Ｇｏｌｄｓｔｅｉｎ算子（半）群；在文献［１，２］基础上，提出了一个生成算子的扰动产生算子半群，证明了该算子半群的扰动具有的基本特征：算子依范数收敛，强连续性，唯一性及可微分性。从生成算子的角度说明这个算子半群的扰动与四阶闭环分布参数控制系统的关系。
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| 关 键 词： | Banach空间 算子半群 生成算子 发展方程 分布参数控制系统 |
Design and Management of Object Identification in Object-oriented Database System |
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| Lin Guozhang et al.Design and Management of Object Identification in Object-oriented Database System[J].Journal of University of Electronic Science and Technology of China(Social Sciences Edition),1997(4). |
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| Authors: | Lin Guozhang |
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| Institution: | Lin Guozhang et al |
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| Abstract: | O2DB is a heart prototype of developed object-oriented database,and object identification is an important feature in object-oriented method,more importand for OODB.The article goes into design and implementation method of object identification in object-oriented database system(DMS OOB)O2DB in particular ,and definition, characteristics role in data sharing and data consistency as well as design and implementation method in O2DB,are described in details. |
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| Keywords: | object-oriented object identification data sharing data consistency database technique |
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