# Volume 32, Number 1 April 2003

### From NZJM

NZ J. Mathematics Vol. 32, Number 1, (2003) Here is the table of contents of Volume 32 of the New Zealand Journal of Mathematics:

Iyad T. Abu-Jeib and Thomas S. Shores

On properties of matrix I(-1) of sinc methods pp. 1-10

Huanyin Chen and Miaosen Chen

On semiregular rings pp. 11-20

M.H. Farag

On the derivation of discrete conjugate boundary value problem for an optimal control parabolic problem pp. 21-32

F. Gorunescu and M. Gorunescu

Solving a Neumann nonlinear boundary value problem pp. 33-36

M. Khoshkam and B. Mashood

Rigidity in commuting squares pp. 37-56

Mustapha Lakrib

The method of averaging and differential systems with two time scales pp. 57-66

Abdul M. Mohamad

A note on developability and metrizability pp. 67-72

B.K. Ray and G.D. Dikshit

Absolute Euler summability of differential Fourier series and some other associated series pp. 73-90

Norbert Steinmetz

Zalcman functions and rational dynamics pp. 91-104