Let R and S be commutative rings and let phi: R to S be a ring homomorphism.

If M is an S-Module, prove that M is also and R-Module if we define rm = phi(r)m.

for all r in R and all m in M.

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- Dec 27th 2011, 02:44 PMjcir2826Modules
Let R and S be commutative rings and let phi: R to S be a ring homomorphism.

If M is an S-Module, prove that M is also and R-Module if we define rm = phi(r)m.

for all r in R and all m in M.

- Dec 27th 2011, 10:56 PMFernandoRevillaRe: Modules