Eagle, C. J., Hamel, C., Müller, S., & Tall, F. D. (2023). An undecidable extension of Morley’s theorem on the number of countable models. Annals of Pure and Applied Logic, 174(9), Article 103317. https://doi.org/10.1016/j.apal.2023.103317 ( reposiTUm)

Lücke, P., & Müller, S. (2023). Σ₁-definability at higher cardinals: Thin sets, almost disjoint families and long well-orders. Forum of Mathematics, Sigma, 11, Article e103. https://doi.org/10.1017/fms.2023.102 ( reposiTUm)

Müller, S. (2023). Determinacy Axioms and Large Cardinals. In M. K. Banerjee & V. S. Sreejith (Eds.), Logic and Its Applications. ICLA 2023 (pp. 68–78). https://doi.org/10.1007/978-3-031-26689-8_5 ( reposiTUm)