| 椭圆外切2n+1边形中切顶线三角形有向面积的定值定理及其应用 |
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| 引用本文： | 喻德生. 椭圆外切2n+1边形中切顶线三角形有向面积的定值定理及其应用[J]. 南昌航空工业学院学报, 2003, 17(1): 10-12 |
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| 作者姓名： | 喻德生 |
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| 作者单位： | 南昌航空工业学院信息与计算科学系 江西南昌330034 |
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| 摘 要： | 本文给出椭圆外切2n 1边形中一类切顶线三角形有向面积的一个定值定理及其若干推论，其中包括射影几何中著名的Brisanchon定理在椭圆外切三角形中的情形。
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| 关 键 词： | 定值定理 Brisanchon定理 椭圆外切2n＋1边形 切顶线三角形 有向面积 |
| 文章编号： | 1001-4926(2003)01-0010-03 |
| 修稿时间： | 2002-10-22 |
On a fixed value theorem for directed areas of a kind of triangles in elliptic circumscribed polvgons |
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| YU De sheng. On a fixed value theorem for directed areas of a kind of triangles in elliptic circumscribed polvgons[J]. Journal of Nanchang Institute of Aeronautical Technology(Natural Science Edition), 2003, 17(1): 10-12 |
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| Authors: | YU De sheng |
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| Abstract: | In this paper, a fixed value theorem for directed areas of a kind of triangles in elliptic circumscribed polygons is obtained, thus some results, including the famous Brianchon theorem for elliptic circumscribed triangles, are deduced easily. |
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| Keywords: | Elliptic circumscribed polygons Triangle (Directed) area Fixed value Concurrent |
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