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  1. “for each nonzero element rr in a semiprimitive ring,…module left annihilated by rr.” to “…module not left annihilated by rr.”

    Anonymous

    diff, v7, current

  2. “for each nonzero element rr in a semiprimitive ring,…module left annihilated by rr.” to “…module not left annihilated by rr.”

    Anonymous

    diff, v7, current

    • CommentRowNumber3.
    • CommentAuthorzskoda
    • CommentTimeAug 22nd 2022
  3. added example that the Jacobson radical of a local Artinian algebra is the set of non-invertible elements

    Anonymous

    diff, v11, current

  4. nilpotent ideals are different from nilradicals

    Anonymous

    diff, v11, current

  5. added property that the Jacobson radical of a local ring is the set of non-invertible elements

    Anonymous

    diff, v11, current

  6. added example of the Jacobson radical of a possibly trivial local ring, and added reference

    Anonymous

    diff, v11, current