Volume 105, Issue 1 – January 1977

Set theoretic foundations for constructive analysis

Pages 1-28 by Harvey Friedman

Degenerating families of Riemann surfaces

Pages 29-44 by William Abikoff

Local cohomological dimension in characteristic $p$

Pages 45-79 by Robin Hartshorne, Robert Speiser

Ergodic properties of horocycle flows for surfaces of negative curvature

Pages 81-105 by Brian Marcus

Sur la classification des idéaux primitifs dans l’algèbre enveloppante d’une algèbre de Lie semi-simple

Pages 107-120 by Michel Duflo

First-order theory of the degrees of recursive unsolvability

Pages 121-139 by Stephen G. Simpson

The motion of slightly compressible fluids viewed as a motion with strong constraining force

Pages 141-200 by David G. Ebin