Decomposing functions of Baire class \(2\) on Polish spaces. (English) Zbl 1485.03196
Summary: We prove the Decomposability Conjecture for functions of Baire class \(2\) from a Polish space to a separable metrizable space. This partially answers an important open problem in descriptive set theory.
MSC:
| 03E15 | Descriptive set theory |
| 54H05 | Descriptive set theory (topological aspects of Borel, analytic, projective, etc. sets) |
| 26A21 | Classification of real functions; Baire classification of sets and functions |
References:
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