Injective tests of low complexity in the plane
classification
🧮 math.LO
math.GN
keywords
injectiveborelsetscasecharacterizationclassclassescomplexity
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We study injective versions of the characterization of sets potentially in a Wadge class of Borel sets, for the first Borel and Lavrentieff classes. We also study the case of oriented graphs in terms of continuous homomorphisms, injective or not.
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