Volume 85, Issue 2, March 1967

## Solving diophantine problems modulo every prime

Pages 161-183 by James Ax

## Postnikov invariants and higher order cohomology operations

Pages 184-217 by Emery Thomas

## Simplicial structures and transverse cellularity

Pages 218-245 by Marshall M. Cohen

## Differential geometry of complex hypersurfaces

Pages 246-266 by Brian Smyth

## Hecke polynomials as congruence $\zeta$ functions in elliptic modular case

Pages 267-295 by Yasutaka Ihara

## Finite subgroups and isogenies of one-parameter formal Lie groups

Pages 296-302 by Jonathan Lubin

## Space of unitary vector bundles on a compact Riemann surface

Pages 303-336 by Conjeeveram Srirangachari Seshadri

## Boundedness of translation invariant operators on Hölder spaces and $L^p$-spaces

Pages 337-349 by Elias M. Stein, Antoni Zygmund

## On the bound of the dimensions of the isometry groups of all possible riemannian metrics on an exotic sphere

Pages 351-358 by Wu-Yi Hsiang