Ruled surfaces of rectilinear congruences with the same spherical image

DOI10.1007/BF03322856zbMath1048.53008MaRDI QIDQ1412406

Pelagia Koltsaki

Publication date: 10 November 2003

Published in: Results in Mathematics (Search for Journal in Brave)

zbMATH Keywords

ruled surfacespherical imagerectilinear congruence

Mathematics Subject Classification ID

Differential line geometry (53A25)

Cites Work

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• Line systems with special properties
• Über die dritte quadratische Differentialform eines Normalensystems. (On the third quadratic differential form of a normal system)
• Einige Resultate über die III-Hauptflächen eines Strahlensystems. (Some results about the III-principal surfaces of a rectilinear congruence)
• On some ruled surfaces of a line congruence

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