Rings Which Are Sums of Finite Fields

A.V Kelarev
1999 Finite Fields and Their Applications  
We describe all semigroup rings and band-graded rings which are direct sums of finite fields. We show that the class of rings which are direct sums of finite fields is closed for taking sums of two subrings. 1999 Academic Press 89
doi:10.1006/ffta.1998.0240 fatcat:b5n2pjeqhfga5b7a22zgxz2uoa