Abstract
The present paper is devoted to the study of some subclasses of H-rings, i.e., rings in which all subrings are ideals. In the description of H-rings an important role is played by almost null rings. We classify, up to isomorphism, torsion almost null rings of bounded exponent.
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Andruszkiewicz, R.R., Pryszczepko, K. On the classification of some classes of Hamiltonian rings. Acta Math. Hungar. 152, 269–290 (2017). https://doi.org/10.1007/s10474-017-0730-6
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DOI: https://doi.org/10.1007/s10474-017-0730-6