Pacific Journal of Mathematics · 1969 · 53 citations · 29 references
Natural SciencesMathematicsGeometrySet TheoryTopologyMetric GeometryMetric SpacesComplete Metric SpacesIrrational NumbersQuotient MapsQuotient SetsSeparable Metric SpacesSeparable SpacesSouslin Property
It is proved that every metric space which is a continuous image of the irrationals is also a quotient of the irrationals.
29
Purity and algebraic compactness for modules
Robert B. Warfield · Pacific Journal of Mathematics · 1969 · 445 citations · Full text
A note on closed maps and compact sets
E. Michael · Israel Journal of Mathematics · 1964 · 156 citations
Bi-quotient maps and cartesian products of quotient maps
Ernest Michael · Annales de l’institut Fourier · 1968 · 145 citations · Full text
A. H. Stone · Czech Digital Mathematics Library (Institute of Mathematics CAS) · 1962 · 64 citations · Full text