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[标准] 共轭极线-conjugate polar pencil of lines

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发表于 2017-5-30 12:11:36 | 显示全部楼层 |阅读模式 | 百度 
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输入的解释:
polar
又名:
polar line
定义:
If two points A and A´ are inverse (sometimes called conjugate) with respect to a circle (the inversion circle), then the straight line through A´ which is perpendicular to the line of the points AA´ is called the polar of A with respect to the circle, and A is called the inversion pole of the polar.An incidence-preserving transformation in which points and lines are transformed into their inversion poles and polars is called reciprocation (a.k.a. constructing the dual).
相关主题:
Apollonius´ problem | dual polyhedron | inverse points | inversion circle | inversion pole | polarity | polar plot | reciprocal | reciprocation | Salmon´s theorem | trilinear polar
主题分类:
MathWorld:
inversive geometry
MSC 2010:
51M04


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