# Mathematical Digest

### Short Summaries of Articles about Mathematics

in the Popular Press

"Throwing Einstein for a Loop," by Amanda Gefter. *Scientific American,* December 2002,pages 40-41.

The title refers to a theory called loop quantum gravity which attemptsto link quantum theory and general relativity. Most of thearticle deals with physics, and physicist Fotini Markopoulou Kalamara,but some mathematics is included.

*--- Mike Breen*