Mathematics

Abstract

Abstracts included:

D. R. Shreve: Invariant subspaces lying in algebraic hypersurfaces of a certain class

A. C. Schaeffer and R. J. Duffin: Concerning an equality of Landau

R. J. Duffin and A. C. Schaeffer: Entire functions of exponential type

R. H. Downing: On flat-sphere geometry

Paul M. Pepper: The most dense lattice-form distribution of congruent convex solids