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Results tagged with homological-algebra
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user 530343
(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.
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votes
Confusion about signs in the definition of an $A_\infty$-algebra
Alexander Polishchuk has written a Field Guide to $A_\infty$ Sign Conventions which I have found quite helpful (despite some typos and imprecisions). Interestingly, Raf Bocklandt gives this as the ma …
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