2 papers
math.LO2026
-anchored labels in minimal counterexamples to Vaught's conjecture: a per-witness trichotomy and an unconditional stationary dichotomy
Mohammad Assem Mahmoud
Let be a minimal counterexample to Vaught's conjecture in the sense of Montalban; such a exists if Vaught's conjecture fails, by Steel and Harnik-Makkai. We bring into cont…
math.LO2026
Scott complexity of trees of finite rank via degrees of categoricity
Mohammad Mahmoud, Mostafa Mirabi
In earlier work \cite{Mah19}, the first author constructed, for each finite , a computable tree $\A_{m+1}$ of rank whose strong degree of categoricity is $\mathbf{0}…