When pretorsion classes coincide with pretorsion free classes. (Q2920213)

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scientific article; zbMATH DE number 6098576
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English
When pretorsion classes coincide with pretorsion free classes.
scientific article; zbMATH DE number 6098576

    Statements

    25 October 2012
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    pretorsion classes
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    pretorsion free classes
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    big lattices
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    Artinian principal ideal rings
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    preradicals
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    When pretorsion classes coincide with pretorsion free classes. (English)
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    The authors study the (big) lattices of pretorsion classes and pretorsion free classes, ordered by inclusion, in the category of left unital modules over an associative ring with identity. The main result obtained is that the rings for which these two lattices coincide are precisely the (left and right) Artinian principal ideal rings.
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