Last Updated：2025/12/05
When studying the correspondence between lines in projective three-space and points in projective five-space, one often examines the Klein quadric to understand their incidence relations.
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When studying the correspondence between lines in projective three-space and points in projective five-space, one often examines the Klein quadric to understand their incidence relations.
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射影三次元空間の直線と五次元射影空間の点との対応を研究する際、これらの包含関係を理解するために、直線を表すその五次元空間内の双曲二次曲面をよく調べる。
