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(Co)chain complexes, abelian Categories, (pre)sheaves, (co)homology in various (possibly highly generalized) settings, spectra, derived functors, resolutions, spectral sequences, homotopy categories. Chain complexes in an abelian category form the heart of homological algebra.

19 votes
Accepted

What is the geometric fixed points of an (equivariant) Eilenberg Maclane Spectrum?

Your identification with the geometric fixed points and the calculation for $C_2$ is correct. As Akhil remarked, one obtains the same answer for $C_{2^n}$ and this is calculated in Hill-Hopkins-Ravene …
Justin Noel's user avatar
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4 votes

Somewhat general question that includes: "Do quasi-isomorphic cdgas have quasi-isomorphic sp...

If you have two cdgas which are cofibrant (so built out of free cdgas and their cones via an iterated sequence of pushouts) and quasi-isomorphic then their homological invariants agree (one of the pro …
Justin Noel's user avatar
  • 1,738