Selection theorems and invariance of Borel pointclasses

Bhattacharya, Sreela; Srivastava, S. M.

doi:10.1090/S0002-9939-1986-0845992-4

Selection theorems and invariance of Borel pointclasses
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by Sreela Bhattacharya and S. M. Srivastava

Proc. Amer. Math. Soc. 97 (1986), 707-711

DOI: https://doi.org/10.1090/S0002-9939-1986-0845992-4

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Abstract:

We generalize some known selection theorems and give simple proofs of results on the invariance of Borel pointclasses obtained by Saint-Raymond, Jayne and Rogers, and Kunen and Miller.

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