# Mathematical Digest

### Short Summaries of Articles about Mathematics

in the Popular Press

"Soccer or Nascar, It's All the Same," by Jocelyn Selim. *Discover,* June2001.

"Thomas Cover analyzed how the probability of winning varies during a gameand found that it unfolds in every sport as what statisticians call a`random walk', a pattern analogous to the erratic motions of molecules inthe air," this article notes.

For another article on random walks, see "Scheduled Random Walks SkirtCollisions," by Ivars Peterson, *Science News Online,* 20 January2001.

*--- Annette Emerson *