| 微分同胚群Diff(s)在参数长度不固定情形下的推广 |
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| 引用本文： | 李秀林.微分同胚群Diff(s)在参数长度不固定情形下的推广[J].杭州师范学院学报(社会科学版),1993(3). |
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| 作者姓名： | 李秀林 |
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| 作者单位： | 杭州师范学院物理系 |
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| 摘 要： | 当把弦的参数长度从固定的情形推广到不固定的情形时,我们发现必须把微分同胚群Diff(s)推广到某个类群G,此类群的商代数正同构于Diff(s),且Diff(s)是此类群G的一个子群.
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| 关 键 词： | 弦的参数长度 微分同胚群 类群 商代数 搭桥元素 微分同胚映射 |
EXTENSION OF DIFFEOMORPHISM GROUP DIFF(S) IN THE CASE OF NON-FIXED PARAMETER LENGTH |
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| Li Xiulin.EXTENSION OF DIFFEOMORPHISM GROUP DIFF(S) IN THE CASE OF NON-FIXED PARAMETER LENGTH[J].Journal of Hangzhou Teachers College(Humanities and Social Sciences),1993(3). |
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| Authors: | Li Xiulin |
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| Institution: | Department of Physics |
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| Abstract: | While extending fixed parameter length of string to non-fixed parame-ter length of string, we must extend the graop Diff(s) to a similar group G. Quotient algebra of this similar group G is isomorphic to the group Diff(s). The group Diff(s) also is a subgroup of this similar group G. |
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| Keywords: | parameter length of string diffeomorphism group similar group quotient algebra put of element diffeomorphism mapping |
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