Mathematical Digest

Short Summaries of Articles about Mathematics
in the Popular Press

"A Greene Universe," by Alden M. Hayashi. Scientific American, April2000, pages 22-23.

This article presents a profile of Brian Greene, a mathematical physicist atColumbia University. Greene's best-selling book about string theory, TheElegant Universe, made him one of the best known scientists today and ledto his appearenace on a number of television programs. The article describessome of Greene's work in string theory, including an important result about howthe fabric of space can "tear" and then repair itself, and also provides asense of what motivates Greene as a scientist.

--- Allyn Jackson