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)