6533b86ffe1ef96bd12cdeb6

RESEARCH PRODUCT

A short proof of a theorem of Juhasz

Santi Spadaro

subject

Discrete mathematicsMathematics::General TopologyFree sequenceAlgebraMathematics::LogicIncreasing unionSimple (abstract algebra)Settore MAT/03 - GeometriaElementary submodelGeometry and TopologyArhangel'skii TheoremMathematics::Symplectic GeometryArhangelʼskii TheoremMathematicsAnalytic proof

description

Abstract We give a simple proof of the increasing strengthening of Arhangelʼskii Theorem. Our proof naturally leads to a refinement of this result of Juhasz.

yearjournalcountryeditionlanguage
2011-10-01
10.1016/j.topol.2011.06.002http://hdl.handle.net/20.500.11769/244522