Abstract
Considering a Euclidean space of n dimensions, we have vectors q with coordinates qr (r = 1, 2,…, n). For the present we shall restrict the q’s to be real, so that the qr are real numbers. The vector q has the squared length qrqr, a summation being understood over r. We also write it as the scalar product (q, q).
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© 1974 Plenum Press, New York
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Dirac, P.A.M. (1974). Finite Number of Dimensions. In: Spinors in Hilbert Space. Springer, Boston, MA. https://doi.org/10.1007/978-1-4757-0034-3_2
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DOI: https://doi.org/10.1007/978-1-4757-0034-3_2
Publisher Name: Springer, Boston, MA
Print ISBN: 978-1-4757-0036-7
Online ISBN: 978-1-4757-0034-3
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