Natasha Dobrinen

collaborators

2 papers

math.LO2026

The Henson graphs: colorings and codings

Peter Cholak, Natasha Dobrinen, Charlie McCoy

By recent work of \citet{DobrinenICM} and \citet{Balko7} we know that every finite $G$ in the Henson graph $H_{n + 1}$ (the universal ultrahomogeneous $(n + 1)$ -clique free gr…

math.LO2025

Tukey-idempotency and strong p-points

Tom Benhamou, Natasha Dobrinen, Tan Özalp

We characterize strong $p$ -point ultrafilters by showing that they are exactly those $p$ -points that are not Tukey above $(ω^{ω}, \leq)$ ; or equivalently, those $p$ -points that are no…