It’s a breakthrough in the field of random walks.

Random processes take place all around us. It rains one day but not the next; stocks and bonds gain and lose value; traffic jams coalesce and disappear. Because they’re governed by numerous factors ...

When the mathematicians Jeff Kahn and Gil Kalai first posed their “expectation threshold” conjecture in 2006, they didn’t believe it themselves. Their claim — a broad assertion about mathematical ...

This is a preview. Log in through your library . Abstract Plant differently colored points in the plane; then let random points (“Poisson rain”) fall, and give each new point the color of the nearest ...