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Sep 3 at 17:14 comment added Fernando Muro I honestly don’t think it’s strange. It’s the typical case where 1 = 0 just for the final object.
Sep 3 at 13:51 history edited Yang CC BY-SA 4.0
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Sep 3 at 13:38 history edited Yang CC BY-SA 4.0
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Sep 3 at 13:27 history edited Yang CC BY-SA 4.0
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Aug 28 at 1:49 comment added Yang @MaximeRamzi So the spectrum of $CAlg_{A}$ is just trivial, since $Sp(CAlg_{A})=Sp(CAlg_{A})_{*}$ where the latter is the homotopy limit of tower $\cdots \rightarrow \{*\}\rightarrow \{*\}$?
Aug 27 at 17:46 comment added Maxime Ramzi If $\pi_0(A) = 0$ then $A=0$ (for rings).
Aug 27 at 14:26 history asked Yang CC BY-SA 4.0