no code implementations • 8 Nov 2012 • Mario Hampejs, Nicki Holighaus, László Tóth, Christoph Wiesmeyr
We deduce a simple representation and the invariant factor decompositions of the subgroups of the group $\Bbb{Z}_m \times \Bbb{Z}_n$, where $m$ and $n$ are arbitrary positive integers.
Group Theory Combinatorics Number Theory 20K01, 20K27, 05A15, 11A25