Simple random walks return to the origin in 2D as well, but not 3D or higher. I don’t know if the continuous case is different, but I suspect not.
Then I’m probably just misremembering, it’s been about 15 years since I looked at that one. Thanks!
Simple random walks return to the origin in 2D as well, but not 3D or higher. I don’t know if the continuous case is different, but I suspect not.
Then I’m probably just misremembering, it’s been about 15 years since I looked at that one. Thanks!