Showing math.LOShow all
2 papers · 1 filter
math.LO2024
Slalom numbers
Miguel A. Cardona, Viera Gavalova, Diego A. Mejia +2
The paper is an extensive and systematic study of cardinal invariants we call slalom numbers, describing the combinatorics of sequences of sets of natural numbers. Our general appr…
math.LO2019
The covering number of the strong measure zero ideal can be above almost everything else
Miguel A. Cardona, Diego A. Mejía, Ismael E. Rivera-Madrid
We show that certain type of tree forcings, including Sacks forcing, increases the covering of the strong measure zero ideal . As a consequence, in Sacks model, such…