A generalization of the cross-ratio over a ring

DOI10.1007/BF02844762zbMath0722.51002MaRDI QIDQ756123

Maria Rosaria Enea, Leonardo Cirlincione

Publication date: 1990

Published in: Rendiconti del Circolo Matemàtico di Palermo. Serie II (Search for Journal in Brave)

zbMATH Keywords

automorphismsprojective lines over rings

Mathematics Subject Classification ID

General theory of linear incidence geometry and projective geometries (51A05) Homomorphism, automorphism and dualities in linear incidence geometry (51A10) Ring geometry (Hjelmslev, Barbilian, etc.) (51C05)

Related Items (1)

Von Staudt's theorem revisited

Cites Work

• A remark on the projectivities of the projective line over a commutative ring
• Jordan homomorphisms, chain geometries and the fundamental theorem
• Fundamental theorem for the projective line over non-commutative local rings
• Projectivities over local rings
• On the Automorphisms of a Sfield
• Unnamed Item
• Unnamed Item

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