Published by Duke University Press since its inception in 1935, the Duke Mathematical Journal is one of the world's leading mathematical journals. Without specializing in a small number of subject areas, it emphasizes the most active and influential areas of current mathematics.

### Volume 27, Number 2

#### Publication Date: June 1960

Some special functions over $GF(q,x)$

L. Carlitz; 139-158

The characteristic divisors of a polynomial function of a matrix

Eckford Cohen; 159-162

Stationary points for finite transformation groups

John Greever; 163-170

Some cancellation theorems for ordinal products of relations

Chen Chung Chang and Anne C. Morel; 171-181

The number of periodic solutions of non-autonomous systems

Jane Cronin; 183-193

Some properties of the fundamental solution of the parabolic equation

Stewart M. Robinson; 195-220

Difference methods for mixed boundary-value problems

W. Gilbert Strang; 221-231

The deficiencies of meromorphic functions of order less than one

Albert Edrei and Wolfgang H. J. Fuchs; 233-249

Convolutions and general transforms on $L^p$

Richard R. Goldberg; 251-259

The equation $\bar{t}at=b$ in a quaternion algebra

Barth Pollak; 261-271

Generalizations of some theorems on positive matrices to completely continuous linear transformations on a normed linear space

A. C. Mewborn; 273-281

Cetain upper semi-continuous decompositions of a semigroup

R. P. Hunter; 283-289

Stochastic matrices with a non-trivial greatest positive root

Alfred Brauer; 291-295