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Notes on compact rings with open radical. (English) Zbl 0537.13002
Let R be a compact ring with unit and N its Jacobson radical. A number of conditions equivalent to the openness of the radical N in the ring R and a number of conditions equivalent to the openness of the ideal $$N^ 2$$ are obtained.
Reviewer: V.Arnautov

##### MSC:
 13A10 Radical theory on commutative rings (MSC2000) 13J99 Topological rings and modules
##### Keywords:
openness of Jacobson radical; compact ring
Full Text:
##### References:
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