MathOverflow
Sean Cox's user avatar
Sean Cox's user avatar
Sean Cox's user avatar
Sean Cox
  • Member for 11 years, 7 months
  • Last seen more than a week ago
Profile Activity

10 Questions

Score Activity Newest Views
14 votes
1 answer
1k views

Does stationary reflection imply Mahloness?

13 votes
1 answer
611 views

Posets preserving stationary subsets of $\omega_1$ and no new $\text{cof}(\omega)$ ordinals, but without countable covering property

12 votes
1 answer
438 views

Forcings that are not equivalent to Levy collapse

11 votes
0 answers
509 views

Existence of a regular subposet which collapses everything except the top cardinal

8 votes
1 answer
417 views

Reference request: Forcing Axiom for the class of Axiom A posets

8 votes
1 answer
228 views

Introducing meets while preserving directed closure

6 votes
1 answer
276 views

completions of regular suborders

5 votes
0 answers
176 views

Reference request: forcing diamond at every stationary subset of every regular cardinal

4 votes
0 answers
174 views

coding a real by reflection of stationary sets

4 votes
0 answers
180 views

$\mathcal{C}$-filtering of modules inherited by submodules