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math.LO2026
Higher walks and squares
Chris Lambie-Hanson, Pedro Marun
We continue the development of the theory of higher dimensional walks on ordinals began recently by Bergfalk. In particular we identify natural coherence conditions on higher dimen…
math.LO2026
Preservation of some topological properties under forcing
Chris Lambie-Hanson, Pedro Marun
We add to the theory of preservation of topological properties under forcing. In particular, we answer a question of Gilton and Holshouser in a strong sense, showing that if player…