Tor functor
= Tor functor
{wiki=Tor_functor}
In mathematics, particularly in the field of homological algebra and algebraic topology, the Tor functor is a significant construction related to the derived functors of the tensor product. The Tor functor, denoted as \\(\\text\{Tor\}_n^R(A, B)\\), is used to study the properties of modules over a ring \\(R\\).