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Note to the preceding paper by C. V. H. Rao

Published online by Cambridge University Press:  24 October 2008

H. F. Baker
Affiliation:
St John's CollegeCambridge

Extract

If (a1, b1, c1), (a2, b2, c2), (a3, b3, c3) be three sets of numbers subject to the six relations such as and with a positive determinant, then the four tetrahedra, M, M1, M2, M3, whose angular points have coordinates given by the rows of the four matrices

are such that every two are mutually inscribed. The sixteen points so arising are the nodes of a Kummer surface having for one form of its equation

Type
Research Article
Copyright
Copyright © Cambridge Philosophical Society 1946

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