Asaf Karagila

activity

20122026

most citedThe Bristol Model: an abyss called a Cohen real

21 citations · 88 across the 30 of their papers we have counts for

collaborators

Showing 2017Show all

2 papers · 1 filter

math.LO2017★ 2 cited

Spectra of uniformity

Yair Hayut, Asaf Karagila

We study some limitations and possible occurrences of uniform ultrafilters on ordinals without the axiom of choice. We prove an Easton-like theorem about the possible spectrum of s…

math.LO2017★ 21 cited

The Bristol Model: an abyss called a Cohen real

Asaf Karagila

We construct a model $M$ of ZF which lies between $L$ and $L [c]$ for a Cohen real $c$ and does not have the form $L (x)$ for any set $x$ . This is loosely based on the unwritten work…