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Proceedings of the American Mathematical Society

Published by the American Mathematical Society since 1950, Proceedings of the American Mathematical Society is devoted to shorter research articles in all areas of pure and applied mathematics.

ISSN 1088-6826 (online) ISSN 0002-9939 (print)

The 2020 MCQ for Proceedings of the American Mathematical Society is 0.85.

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Boolean algebras without nontrivial onto endomorphisms exist in every uncountable cardinality
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by James Loats and Matatyahu Rubin PDF
Proc. Amer. Math. Soc. 72 (1978), 346-351 Request permission

Abstract:

We prove, assuming ZFC, that for every uncountable cardinal $\lambda$, there is a Boolean algebra of cardinality $\lambda$, without onto endomorphisms other than the identity.
References
    R. Bonnet, On very strongly rigid Boolean algebras and continuum discrete set condition on Boolean algebras. I, II, Algebra Universalis (submitted). —, On very strongly rigid Boolean algebras and continuum discrete set condition on Boolean algebras. III, J. Symbolic Logic (submitted). J. Loats, On endomorphisms of Boolean algebras and other problems, Ph. D. thesis, Univ. of Colorado, Boulder, 1977.
  • J. Donald Monk, On the automorphism groups of denumerable Boolean algebras, Math. Ann. 216 (1975), 5–10. MR 371763, DOI 10.1007/BF02547967
  • Ladislav Rieger, Some remarks on automorphisms of Boolean algebras, Fund. Math. 38 (1951), 209–216. MR 49863, DOI 10.4064/fm-38-1-209-216
  • M. Rubin, A Boolean algebra with few subalgebras and other nice properties, Proc. Amer. Math. Soc. (submitted).
  • Saharon Shelah, Why there are many nonisomorphic models for unsuperstable theories, Proceedings of the International Congress of Mathematicians (Vancouver, B. C., 1974) Canad. Math. Congress, Montreal, Que., 1975, pp. 259–263. MR 0422015
  • —, Proc. Amer. Math. Soc. (submitted). —, Private communications.
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Additional Information
  • © Copyright 1978 American Mathematical Society
  • Journal: Proc. Amer. Math. Soc. 72 (1978), 346-351
  • MSC: Primary 03G05; Secondary 03C65, 06E99
  • DOI: https://doi.org/10.1090/S0002-9939-1978-0507336-2
  • MathSciNet review: 507336