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Published online by Cambridge University Press: 20 January 2009
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.
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.