Jonathan Cancino-Manr'iquez

collaborators

3 papers

math.LO2024

On the Isbell problem

Jonathan Cancino-Manríquez, Jindrich Zapletal

We present three models concerning Tukey types of ultrafilters on $ω$ . The first model is built via a countable support iteration, and we show there is no basically generated ultra…

math.LO2024

P-measures in models without P-points

Piotr Borodulin-Nadzieja, Jonathan Cancino-Manríquez, Adam Morawski

We answer in negative the problem if the existence of a P-measure implies the existence of a P-point. Namely, we show that if we add random reals to a certain unique P-point model,…

math.LO2023

Filters, ideal independence and ideal Mrówka spaces

Serhii Bardyla, Jonathan Cancino-Manríquez, Vera Fischer +1

A family $A \subseteq [ω]^{ω}$ such that for all finite ${X_{i}}_{i \in n} \subseteq A$ and $A \in A ∖ {X_{i}}_{i \in n}$ , the set $A \setminus \big…