2 papers
math.LO2025
Generalized Borel Sets
Claudio Agostini, Nick Chapman, Luca Motto Ros +1
Generalizing classical descriptive set theory opens foundational questions about the Borel hierarchy. In this paper we systematically study those questions, working in the general…
math.LO2019
Strong Measure Zero Sets on for Inaccessible
Nick Steven Chapman, Johannes Philipp Schürz
We investigate the notion of strong measure zero sets in the context of the higher Cantor space for at least inaccessible. Using an iteration of perfect tree forcings, we…