Some intersection properties of random walk paths

  title={Some intersection properties of random walk paths},
  author={P. Erdős and S. Taylor},
  journal={Acta Mathematica Academiae Scientiarum Hungarica},
  • P. Erdős, S. Taylor
  • Published 1960
  • Mathematics
  • Acta Mathematica Academiae Scientiarum Hungarica
  • We complete the solution of this problem in Section 3 . Clearly, there is no problem for d-== I or 2 . The solution takes a different form in the cases d= 3, d-4, and d = 5. For example, if d = 4, an interesting consequence of the result is that, with probability 1, there are infinitely many n for which 17+ (0, n) and /1 4(2n, x ) have a point in common . This in turn implies that any two independent random walks in 4-space have infinitely many points in common . This at first surprised us… CONTINUE READING
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