Fissioned Triangular Schemes Via the Cross-Ratio

A construction of association schemes is presented; these are fission schemes of the triangular schemes T(n) where n=q + 1with q any prime power. The key observation is quite elementary, being that the natural action of PGL(2,q) on the 2-element subsets of the projective line PG(1,q) is generously transitive. Also some observations on the intersection parameters and fusion schemes of these association schemes are made.

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Year of publication:	1999
Authors:	van Dam, Edwin Robert ; de Caen, D.
Institutions:	Tilburg University, School of Economics and Management

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Extent:	application/pdf
Series:	Research Memorandum.
Type of publication:	Book / Working Paper
Notes:	The text is part of a series FEW Research Memorandum Number 782
Source:	RePEc - Research Papers in Economics

Persistent link: https://www.econbiz.de/10011087008