Transactions of the AMS. Year 1968. Volume 131. Number 02.


The word problem and consequences for the braid groups and mapping class groups of the $2$-sphere
Richard Gillette; James Van Buskirk
277-296


Harmonic differential with prescribed singularities
Mitsuru Nakai
297-302


The minimal boundary of $C(X)$
S. L. Gulick
303-314


Injective hulls of $C\sp*$ algebras
Harry Gonshor
315-322


The $K$-theory of a class of homogeneous spaces
Bruno Harris
323-332


Secondary characteristic classes for $k$-special bundles
Robert E. Mosher
333-344


The monotone union property of manifolds
Lawrence S. Husch
345-355


Changes of variables near a periodic surface or invariant manifold
Al Kelley
356-364


Representation of bilinear forms in Hilbert space by linear operators
Alan McIntosh
365-377


Some new finite translation planes
F. W. Wilke; J. L. Zemmer
378-397


On the number of automorphisms of a closed Riemann surface
Robert D. M. Accola
398-408


Closure theorems for some discrete subgroups of $R\sp{k}$
R. P. Gosselin
409-419


Semirecursive sets and positive reducibility
Carl G. Jockusch
420-436


Singular integral operators over a Hilbert space
Michael J. Fisher
437-465


The Radon-Nikodym theorem for the Bochner integral
M. A. Rieffel
466-487


The characters of the finite symplectic group ${\rm Sp}(4,\,q)$
Bhama Srinivasan
488-525


Recursive pseudo-well-orderings
Joseph Harrison
526-543


The structure and ideal theory of the predual of a Banach lattice
E. B. Davies
544-555


Correction to: ``Higher obstructions to sectioning a special type of fibre bundle''
W.-C. Hsiang
556