A team from the Institute for Advanced Study, Emory University in the US, and the Weizmann Institute of Science, Israel, has developed a new mathematical framework to understand how humans store ...

A small tree outside McRae-Helena City Hall is becoming a community Christmas project, with residents invited to help ...

Let b be an integer greater than 1 and let Wε=(Wn ε;n≥ 0) be a random walk on the b-ary rooted tree Ub, starting at the root, going up (resp. down) with probability 1/2 + ε (resp. 1/2 - ε), ε ∈ (0, ...

STATEN ISLAND, N.Y. -- Have you ever noticed an abnormal growth on the trunk of a tree that looked rather tumorous -- all bumpy and wart-like? Examples can be seen on random trees just about anywhere.

Coalescents with multiple collisions, also known as Λ-coalescents, were introduced by Pitman and Sagitov in 1999. These processes describe the evolution of particles that undergo stochastic ...