1992/141/1

Arithmetical transfinite induction and hierarchies of functions

Representing free Boolean algebras

Nielsen theory of transversal fixed point sets (with an appendix: ${\displaystyle C^{\infty }}$ and ${\displaystyle C^0}$ fixed point sets are the same, by R. E. Greene)

Weak variants of Martin's Axiom

Some complexity results in topology and analysis

Continuous-, derivative-, and differentiable-restrictions of measurable functions