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A BOREL MAXIMAL COFINITARY GROUP

Part of: Permutation groups Set theory

Published online by Cambridge University Press:  11 December 2023

HAIM HOROWITZ  and
SAHARON SHELAH Open the ORCID record for SAHARON SHELAH [Opens in a new window]
HAIM HOROWITZ
Affiliation:
EINSTEIN INSTITUTE OF MATHEMATICS EDMOND J. SAFRA CAMPUS THE HEBREW UNIVERSITY OF JERUSALEM GIVAT RAM JERUSALEM 91904 ISRAEL E-mail: haim.horowitz@mail.huji.ac.il
SAHARON SHELAH*
Affiliation:
DEPARTMENT OF MATHEMATICS HILL CENTER - BUSCH CAMPUS RUTGERS, THE STATE UNIVERSITY OF NEW JERSEY 110 FRELINGHUYSEN ROAD PISCATAWAY, NJ 08854-8019 USA
*
E-mail: shelah@math.huji.ac.il
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Abstract

We construct a Borel maximal cofinitary group.

Keywords

Borelmaximal cofinitary groupsmad familiespermutation groups

MSC classification

Primary: 03E15: Descriptive set theory
Secondary: 03E25: Axiom of choice and related propositions 20B27: Infinite automorphism groups

Information

Type
Article
Information
The Journal of Symbolic Logic , Volume 90 , Issue 2 , June 2025 , pp. 808 - 821
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Copyright
© The Author(s), 2023. Published by Cambridge University Press on behalf of The Association for Symbolic Logic

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References

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