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Results tagged with ring-spectra
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user 65846
For questions about ring spectra (in homotopy theory).
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Intuition behind formal neighborhood and local ring and formal power series
First of all $\mathbb{C[[x,y]]}$ is local because it is only depend on $\mathbb{C}[x,y]_{(x,y)}$ because by definition it is $lim \frac{\mathbb{C}[x,y]}{(X,Y)^n}$ and all things outside $(X,Y)$ are in …
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