Last Updated
：2025/12/05
projective space
Noun
Japanese Meaning
射影空間: 幾何学において、点と直線の包含関係や交差関係（インシデンス関係）のみが重要視される空間。ここでは、距離や角度は無視され、平行性（アフィン空間における概念）も考慮されない。
（ plural ）
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(geometry) A kind of geometrical space in which only relation(s) of incidence between points and lines matter; in such a space distances or angles do not matter and parallelism (as in an affine space) does not matter either.
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projective space
In projective space, parallel lines are treated as if they meet at a point at infinity, which simplifies many classical arguments.
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In projective space, parallel lines are treated as if they meet at a point at infinity, which simplifies many classical arguments.
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