On Sigma(1)(1)-completeness of quasi-orders on kappa(kappa)

Hyttinen, T; Kulikov, V; Moreno, M

Hyttinen, T (corresponding author), Univ Helsinki, Dept Math & Stat, Pietari Kalmin Katu 5, Helsinki 00014, Finland.

FUNDAMENTA MATHEMATICAE, 2020; 251 (3): 245

Abstract

We prove under V = L that the inclusion modulo the non-stationary ideal is a Sigma(1)(1)-complete quasi-order in the generalized Borel-reducibility hi......

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