# Volume 21 April 1992

### From NZJM

NZ J. Mathematics Vol. 21 (1992) Here is the table of contents of Volume 21 of the New Zealand Journal of Mathematics:

Vaughan Jones

Knots, braids, statistical mechanics and von Neumann algebras pp. 1-16.

R.P. Anstee

Matching theory: fractional to integral pp. 17-32.

Rod Downey

An invitation to structural complexity pp. 33-89.

Ralph J. Faudree

Properties in pairable graphs pp. 91-106.

Philip J. Rottier

Temporal and spatial distributions of floe pair interactions in the marginal ice zone pp. 107-132.

Anne Penfold Street

Defining sets for t-designs and critical sets for Latin squares pp. 133-144.

Garry J. Tee

Twenty-five years of New Zealand Mathematics Colloquiua pp. 145-160.

Last changed 11 September 1995