Acute triangles in the n-ball

Author:

Hall Glen Richard

Abstract

Using Baddeley's [1] extension of Crofton's differential equation we derive an elementary integral formula for the probability that three randomly chosen points in the unit n-ball in ℝ n , with respect to Lebesgue measure, form an acute triangle. When the dimension is 2 this probability is 4/π2 − 1/8, while when the dimension is 3 it is 33/70.

Publisher

Cambridge University Press (CUP)

Subject

Statistics, Probability and Uncertainty,General Mathematics,Statistics and Probability

Cited by 5 articles. 订阅此论文施引文献 订阅此论文施引文献,注册后可以免费订阅5篇论文的施引文献,订阅后可以查看论文全部施引文献

1. A more comprehensive complementary theorem for the analysis of Poisson point processes;Advances in Applied Probability;2006-09

2. Extremal problems for geometric probabilities involving convex bodies;Advances in Applied Probability;1995-03

3. Random circles in the d-dimensional unit ball;Journal of Applied Probability;1989-06

4. Symbolic computation and the diffusion of shapes of triads;Advances in Applied Probability;1988-12

5. Zufällige Polyeder - Eine Obersicht;Lecture Notes in Mathematics;1985

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