Forcing constructions and countable Borel equivalence relations
classification
🧮 math.LO
math.DS
keywords
borelcertaincompleteconstructionscountableequivalenceforcingrelations
read the original abstract
We prove a number of results about countable Borel equivalence relations with forcing constructions and arguments. These results reveal hidden regularity properties of Borel complete sections on certain orbits. As consequences they imply the nonexistence of Borel complete sections with certain features.
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