Exercise 1, § 5
Algebra, III, 627
Let N be the Z-module Z/4Z, M the submodule 2Z/4Z of N and j : M → N the canonical injection. Show that T(j) : T(M) → T(N) is not injective.
Solution
No solution has been written yet.
Algebra, III, 627
Let N be the Z-module Z/4Z, M the submodule 2Z/4Z of N and j : M → N the canonical injection. Show that T(j) : T(M) → T(N) is not injective.
No solution has been written yet.