A reformulation of S and L

Roitman, Judith A.

Publication

A reformulation of S and L

Roitman, Judith A.

Abstract

We give a combinatorial statement which is equivalent to the existence of an S space, and one equivalent to the existence of an L space, thus verifying the widespread intuition that the problem of S and L is essentially set-theoretic.

Description

This is the published version, also available here: http://dx.doi.org/10.1090/S0002-9939-1978-0486845-9. First published in Proc. Amer. Math. Soc. in 1978, published by the American Mathematical Society.