# Some intersection properties of random walk paths

```@article{Erds1960SomeIP,
title={Some intersection properties of random walk paths},
author={P. Erdős and S. Taylor},
journal={Acta Mathematica Academiae Scientiarum Hungarica},
year={1960},
volume={11},
pages={231-248}
}```
• 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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#### References

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Double points of Brownian paths in n-space
• Acta Sci. Math . Szeged
• 1950