The tags noncommutative-algebra and noncommutative-rings should be merged; the first being more used, and also in analogy with the tag ac.commutative-algebra, I'd suggest to embed noncommutative-rings into noncommutative-algebra. A current problem is also that noncommutative-algebra does not incl...

I'm confused about the scope of the ra.rings-and-algebras The problem is related to the ambiguity of the word "algebra", which essentially has two (rough) meanings the meaning "ring", in its various meanings where one has one addition and one multiplication with some reasonable axioms, and pos...