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 29, Number 2

#### Publication Date: June 1962

Absolutely continuous operators

Morris Schreiber; 175-190

The geometry of functions holomorphic in the unit circle, of arbitrarily slow growth, which tend to infinity on a sequence of curves approaching the circumference

G. R. MacLane; 191-197

A congruence property of the divisors of $n$ for every $n$

C. L. Vanden Eynden; 199-202

Homogeneous and periodic spaces of entire functions

Louis de Branges; 203-224

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

Barth Pollak; 225-230

Homotopy groups of configuration spaces and the string problem of Dirac

The braid groups of $E^2$ and $S^2$

Edward Fadell and James Van Buskirk; 243-257

Convergence of convolution iterates of measures

H. S. Collins; 259-264

Semigroups, continua and the set functions $T^n$.

H. S. Davis, D. P. Stadtlander and P. M. Swingle; 265-280

Spectral distribution of a differential operator

H. P. McKean, Jr. and D. B. Ray; 281-292

The Weierstrass transform and Hermite polynomials

G. G. Bilodeau; 293-308

Parabolic equations with non-smooth coefficients

D. G. Aronson; 309-324

A note on permutation functions over a finite field

L. Carlitz; 325-332

Functions with positive real part in a half-plane

J. L. Goldberg; 333-339