Title of article
Counting subrings of Zn of non-zero co-rank
Author/Authors
Chimni, S. Department of Mathematics - Department of Mathematics - Statistics, and Computer Science - University of Illinois at Chicago , Takloo-Bighash, R. Department of Mathematics - Department of Mathematics - Statistics, and Computer Science - University of Illinois at Chicago , Chinta, G. Department of Mathematics - The City College of New York
Pages
10
From page
163
To page
172
Abstract
In this paper we study subrings of Zn+k of co-rank k. We relate the number of such subrings R with torsion subgroup (Zn+k/R)tor of size r to the number of full rank subrings of Zn of index r.
Keywords
mathbbZn , subrings , Stirling numbers of the second kind
Journal title
journal of the iranian mathematical society
Serial Year
2020
Record number
2514460
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