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On a certain class of Linear Substitutions with Common Invariants, and an Associated Substitution of Order Four

Published online by Cambridge University Press:  20 January 2009

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The determinant

each row of wliich contains the same n elements in the same cyclic order, with ′a1 always in the leading diagonal, is the product of n linear factors, which we shall write as follows

where ρ is any primitive nth root of unity.

Type
Research Article
Copyright
Copyright © Edinburgh Mathematical Society 1912

References

page 54 note * See Scott, Determinants, p. 81.

page 55 note * Linear Substitutions and their Invariants, §2.Proc. Edin. Math. Soc., Vol. XXX.

page 55 note † Ibid. §9.

page 70 note * Since writing the above, I have found the following references to triangles in multiple perspective: —

Homologous Triangles, by Thomas Muir M.A., [Mess. Math. 2 (1873)]. “ Triply homologous” triangles are discussed, the vertices being taken in the same cyclic order throughout.

Perspective Dreiecke und Tetraeder, by Edmund Hess [Math. Annalen 28 (1887)]. Here sextuply perspective triangles are introduced, the standpoint being g-ometrical, and the application different from that of the present paper.