page1954 Rings Matthias Lorentzen...mattegrisenforlag.com
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Question
In general we have that `langle a rangle` is the
principal ideal generated by a.
Which is the kernel `phi_alpha(f(x))`:
A) `Ker \ \ phi_alpha = langle x^n rangle`
B) `Ker \ \ phi_alpha = langle m(x) rangle`
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