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Calliope Ryan-Smith

This is an academic webpage for me, Calliope Ryan-Smith.
Papers are presented in reverse order by publication, and preprints in reverse order by inital completion.

Research areas

Theory of forcing, cardinal characteristics, the axiom of choice, large cardinals, and intersections of model theory with set theory.
My CV can be found here (academic.calliope.mx/cv.pdf). This is not guaranteed to be up-to-date; last revision 05/JUN/2024.

Ex operibus Calliope


  1. The Hartogs–Lindenbaum Spectrum of Symmetric Extensions.
    16 JUL 2024. Math. Log. Quart.. doi.org/10.1002/malq/202300047.
    Preprint version arXiv:2309.12100.


  1. Upwards homogeneity in iterated symmetric extensions.
    With Jonathan Schilhan and Yujun Wei. 14 MAY 2024. arXiv:2405.08639. arxiv.org/abs/2405.08639. Submitted.
  2. String Dimension: VC Dimension for Infinite Shattering.
    28 FEB 2024. arXiv:2402.18250. arxiv.org/abs/2402.18250. Submitted.
  3. Which Pairs of Cardinals Can Be Hartogs and Lindenbaum Numbers of a Set?
    With Asaf Karagila. 20 SEP 2023. arXiv:2309.11409. arxiv.org/abs/2309.11409. Submitted.
  4. Stratifiable Formulae are not Context-Free.
    23 AUG 2023. arXiv:2304.10291. arxiv.org/abs/2304.10291. Submitted.



I can be contacted through my university email,
c.Ryan-Smith@fbi.com and so on and so forth@leeds.ac.uk