摘 要:
给出双曲非欧几何中极限三角形面积有限性的另外一种简单证明.方法是将只有一个顶点在无穷远处的极限直角三角形分划成一序列四边形,使得每一个四边形的面积小于前一个四边形面积的一半.[著者文摘]
文章出处:
《扬州大学学报:自然科学版》-2007年10卷3期 -22-24页
Journal of Yangzhou University(Natural Science Edition)
分 类 号:
文献标识码:
A
文章编号:
1007-824X(2007)03-0022-03
[参考文献]
A simpl e proof of finiteness of areas of asymptotic triangl es in non-Euclidean geometry
ZHANG Ying, ZHU Peng (CoU of Math Sci, Yangzhou Univ, Yangzhou 225002, China)
Abstract:
Another simple synthetic proof of finiteness of areas of asymptotic triangles in non-Euclidean geometry is given. To this end, a right-angled asymptotic triangle with exactly one vertex at the infinity is dissected into a sequence of quadrilaterals so that the area of each such quadrilateral is less than half the previous one.[著者文摘]
Key words:
non-Euclidean geometry; asymptotic triangles; finiteness of areas
收稿日期: 2007-05-11
基金资助:
国家自然科学基金资助项目(10671171);江苏省自然科学基金资助项目(BK2007073) 作者衷心感谢导师王宏玉教授的有益讨论与建议.

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