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Calliope Ryan-Smith

This is an academic webpage for Calliope Ryan-Smith. Papers are presented in reverse order by initial 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.


  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. The Hartogs–Lindenbaum Spectrum of Symmetric Extensions.
    21 SEP 2023. arXiv:2309.12100. arxiv.org/abs/2309.12100. Accepted.
  4. 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.
  5. 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