[其他] integral basis 跟 basis 的差別? @@"
以下是書上integral basis的定義:
A system of elements w_l, ..., w_n in B such that each b in B can be
written uniquely as a linear combination
b=a_1w_1+...+a_n w_n
with coefficients a_i in A; is called an integral basis of B over A.
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如果要 find an integral basis of Q(a),跟找 basis of Q(a) over Q
請問這兩者到底差在哪裡? @_@a
謝謝~ Orz
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