2.4 Algebra
In these notes a ring is a commutative ring with a $1$. Hence the category of rings has an initial object $\mathbf{Z}$ and a final object $\{ 0\} $ (this is the unique ring where $1 = 0$). Modules are assumed unitary. See [Eisenbud].
In these notes a ring is a commutative ring with a $1$. Hence the category of rings has an initial object $\mathbf{Z}$ and a final object $\{ 0\} $ (this is the unique ring where $1 = 0$). Modules are assumed unitary. See [Eisenbud].
Comments (0)