1979/103/3

The superextension of the closed unit interval is homeomorphic to the Hilbert cube

An R-stable ANR which is not FR-stable

An expansion of an ${\displaystyle {\aleph }_0}$-categorical model

Homomorphisms of direct powers of algebras

Closure properties of countable non-standard integers

A necessary condition for embedding a complex in ${\displaystyle S^{2k+2}}$

Retraceable homogeneous sets