| 对合的分解 |
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| 引用本文： | 干丹岩.对合的分解[J].数学研究及应用,1991,11(1):52-56. |
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| 作者姓名： | 干丹岩 |
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| 作者单位： | 浙江大学数学系 |
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| 基金项目： | 国家自然科学基金资助项目. |
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| 摘 要： | Using the notion of biconnected sum we define the biconnected sum (T1, M1)§(T2,M2) of two involutions (T1M1) and (T2,M2) which is an involution on the biconnected sum M1,§M2. A connected involution is said to be reducible if it can be expressed as a biconnected sum of two connected involutions.Theorem Each connected involution (T, M) can be decomposed into a bi-connected sum of connected irreducible involutions (T, M)=(T1, M1)§…§(Tq,Mq),and (?) where the coefficients of Hn_1(M) are in Z/2 Z if M is unoriented, in Z if is oriented .
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| 关 键 词： | 对合 流形 分解 双连勇和 存在性 |
| 收稿时间： | 1990/9/27 0:00:00 |
Decomposition of Involutions |
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| Gan Danyan.Decomposition of Involutions[J].Journal of Mathematical Research with Applications,1991,11(1):52-56. |
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| Authors: | Gan Danyan |
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| Institution: | Zhejiang University; Hangzhou |
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