Showing math.LOShow all
2 papers · 1 filter
math.LO2023
A classification of the Wadge hierarchies on zero-dimensional Polish spaces
Raphaël Carroy, Luca Motto Ros, Salvatore Scamperti
We provide a complete classification, up to order-isomorphism, of all possible Wadge hierarchies on zero-dimensional Polish spaces using (essentially) countable ordinals as complet…
math.LO2010
Beyond Borel-amenability: scales and superamenable reducibilities
Luca Motto Ros
We analyze the degree-structure induced by large reducibilities under the Axiom of Determinacy. This generalizes the analysis of Borel reducibilities given in references [1], [6] a…