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482:{\displaystyle \operatorname {Spec} ((A\otimes _{k}\dots \otimes _{k}A)^{{\mathfrak {S}}_{n}})}
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More precisely, the notion exists at least in the following three areas:
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3264 and All That: A Second Course in
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212:{\displaystyle X^{n}:=X\times \cdots \times X}
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393:{\displaystyle X=\operatorname {Spec} (A)}
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164:-th symmetric power
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