| 二维射影变换是对合的充要条件 |
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| 引用本文： | 陈咸存. 二维射影变换是对合的充要条件[J]. 宁波大学学报(理工版), 2005, 18(4): 425-427 |
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| 作者姓名： | 陈咸存 |
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| 作者单位： | 宁波教育学院,浙江,宁波,315010 |
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| 摘 要： | 先定义了二维对合对应，然后得到二维射影变换是对合的充要每件，最后给出了二维对合对应的表达式及性质．
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| 关 键 词： | 射影变换 对合对应 不动点 不动线 |
| 文章编号： | 1001-5132(2005)04-0425-03 |
| 收稿时间： | 2004-11-20 |
| 修稿时间： | 2004-11-20 |
Necessary and Sufficient Condition of 2-dimension Projective Transformation being Involution |
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| CHEN Xian-cun. Necessary and Sufficient Condition of 2-dimension Projective Transformation being Involution[J]. Journal of Ningbo University(Natural Science and Engineering Edition), 2005, 18(4): 425-427 |
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| Authors: | CHEN Xian-cun |
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| Affiliation: | Department of Mathematics, Ningbo Institute of Education, Ningbo 315010, China |
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| Abstract: | This paper first defines a 2-dimension involution, then obtains the necessary and sufficient condition of a 2-dimension projective transformation being a involution, last gives the expression and the property of a 2-dimension involution. |
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| Keywords: | projective transformation involution fixed point fixed axis |
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