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Results tagged with differential-graded-algebras
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user 112348
11
votes
1
answer
503
views
If C is a cocomplete coalgebra, then $\psi:C\rightarrow B\Omega C$ is a filtered quasi-isomo...
I am reading the PhD thesis thesis of Kenji Lefèvre-Hasegawa and the corresponding errata by Bernhard Keller, my question is about the first error found in the thesis. Lemma 1.3.2.3 c states 'the adju …
- 795
3
votes
2
answers
187
views
Two definitions of minimal models
Is there any relationship between both definitions of minimal models? (the couple of definitions I know are the one mentioned in Lefèvre's thesis, in the sense that the differential is zero, and the o …
- 795
1
vote
If C is a cocomplete coalgebra, then $\psi:C\rightarrow B\Omega C$ is a filtered quasi-isomo...
If $\mathrm{Gr}(B\Omega C)\xrightarrow{\backsim} B\Omega(\mathrm{Gr} C)$ actually means they both are not isomorphic but there is a canonical quasi-isomorphism from $\mathrm{Gr}(B\Omega C)$ to $B\Ome …
- 795