PROOFS OF URYSOHN'S LEMMA AND THE TIETZE EXTENSION THEOREM VIA THE CANTOR FUNCTION

Cirstea, FC

Cirstea, FC (corresponding author), Univ Sydney, Sch Math & Stat, Camperdown, NSW 2006, Australia.

BULLETIN OF THE AUSTRALIAN MATHEMATICAL SOCIETY, 2021; 103 (2): 326

Abstract

Urysohn's lemma is a crucial property of normal spaces that deals with separation of closed sets by continuous functions. It is also a fundamental ing......

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