List questions from filters | MathQa

Is a non-principal ultrafilter the same thing as a free ultrafilter?

Published on 07 Jan 2025 - 23:08

Ultralimit of an eventually constant generalized sequence

Published on 04 Jan 2025 - 21:35

How does the sample space remain constant in filtered

Published on 08 Jan 2025 - 18:57

compactness of the Stone-Čech compactification by ultrafilters

Published on 11 Jan 2025 - 14:59

Proof that no σ-complete non-principal filter on a countable set can exist

Published on 06 Jan 2025 - 12:09

Filters and their refinements vs nets and their subnets

Published on 08 Jan 2025 - 11:35

The analogy between two Rudin-Keisler orders

Published on 08 Jan 2025 - 23:16

$M$-amenable ultrafilters on $\kappa$ are $\kappa$-powerset preserving

Published on 05 Jan 2025 - 19:43

How to extends a filter to a convergent ultrafilter?

Published on 28 Dec 2024 - 10:27

Where has this common generalization of nets and filters been written down?

Published on 08 Jan 2025 - 7:52