Residual smallness in commutative algebra |
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Authors: | Greg Oman Adam Salminen |
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Institution: | 1. Department of Mathematics, University of Colorado, Colorado Springs, Colorado, USA;2. Department of Mathematics, University of Evansville, Evansville, Indiana, USA |
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Abstract: | In Oman and Salminen 19 Oman, G., Salminen, A. Residually small commutative rings. J. Commut. Algebra (17 pages as a preprint, to appear). Google Scholar]], the authors introduce and study residually small rings, defined as follows: an infinite commutative ring R with identity is residually smallif for every r∈R?{0}, there exists an ideal Ir of R such that r?Ir and |R∕Ir|<|R|. The purpose of this note is to extend our study. In particular, we continue our investigation of residually small rings and then generalize this notion to modules. |
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Keywords: | Cardinal arithmetic injective envelope power series ring regular cardinal residually small ring |
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