Luzin's topological problem

Autor: Alexey Ostrovsky
Rok vydání: 2017
Předmět:
Zdroj: Topology and its Applications. 230:45-50
ISSN: 0166-8641
Popis: A resolvably measurable function is a real-valued function for which the preimage of each open set is resolvable. It is shown that resolvably measurable functions f : X ⊂ R → Y ⊂ R (a subclass of Δ 2 0 -measurable functions) have a decomposition into countably many continuous restrictions.
Databáze: OpenAIRE