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Mathematical Digest

Short Summaries of Articles about Mathematics
in the Popular Press

"Tying Physical Theory into Stable Knots," by Ivars Peterson. ScienceNews, 3 May 1997, page 270.

This brief article describes recent work linking knot theory, which is a branchof mathematics, to field theory, which is used to describe many physicalphenomena. Researchers have for the first time found knot-like structuresarising in solutions to certain equations in field theory. This work hasconnections to string theory and liquid crystals.

--- Allyn Jackson

American Mathematical Society