Dually steady rings
Robert El Bashir, Tomáš Kepka, Jan Žemlička (2011)
Acta Universitatis Carolinae. Mathematica et Physica
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Robert El Bashir, Tomáš Kepka, Jan Žemlička (2011)
Acta Universitatis Carolinae. Mathematica et Physica
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Idelhadj, A., Tribak, R. (2003)
International Journal of Mathematics and Mathematical Sciences
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Marian Kechlibar, Tomáš Kepka, Juha Kortelainen (2005)
Acta Universitatis Carolinae. Mathematica et Physica
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Peter Kálnai, Jan Žemlička (2014)
Commentationes Mathematicae Universitatis Carolinae
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Module is said to be small if it is not a union of strictly increasing infinite countable chain of submodules. We show that the class of all small modules over self-injective purely infinite ring is closed under direct products whenever there exists no strongly inaccessible cardinal.