Hostname: page-component-8448b6f56d-jr42d Total loading time: 0 Render date: 2024-04-20T06:27:37.293Z Has data issue: false hasContentIssue false

The Anharmonic Ratios of 4 points in a straight line

Published online by Cambridge University Press:  20 January 2009

Rights & Permissions [Opens in a new window]

Extract

Core share and HTML view are not available for this content. However, as you have access to this content, a full PDF is available via the ‘Save PDF’ action button.

The anharmonic ratio of four points A, B, C, D depends on the order in which they are taken. The A.I.G.T. “Syllabus,” following Cremona, defines the symbol (ABCD) to stand for , when A is conjugate to B and C to D. Thus, taking λ to denote the value of this double-ratio, we have

Type
Research Article
Copyright
Copyright © Edinburgh Mathematical Society 1909