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Volume 9 - Issue 141 - July 1919

Contents

Meeting Report

Other

Research Article

  • Extension of the Theory of Inversion to Conics

  • J. J. Milne
  • Published online by Cambridge University Press:
    03 November 2016, pp. 365-368

  • Let t be the centre of a circle, radius r, p any point in its plane, and draw the diameter through p. Then the inverse of p is a point p′ on tp such that tp. tp′ =r2. This circle is called the circle of inversion, its centre t the pole of inversion and the square of its radius the constant of inversion, and each of the points p, p′ is the inverse of the other. This relation is a metric one: a descriptive relation can be obtained as follows.

Mathematical Notes

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Meeting Report

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Front Matter

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