Affiliation:
1. Dipartimento di matematica, Universita di Genova Via Dodecaneso, Genova, Italy
Abstract
It is proved that the Tang-Pequignot reducibility (or reducibility by relatively continuous relations) on a second countable, T0 space X either coincides with the Wadge reducibility for the given topology, or there is no topology on X that can turn it into Wadge reducibility.
Publisher
Uniwersytet Jagiellonski - Wydawnictwo Uniwersytetu Jagiellonskiego
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