Book of pages (E_r^{p,q}, d_r) with d_r² = 0 and E_{r+1} = H(E_r, d_r), converging to a filtered graded object E_∞. Key tool for computing (co)homology of fibrations (Serre), group extensions (Lyndon–Hochschild–Serre), and derived…
Book of pages (E_r^{p,q}, d_r) with d_r² = 0 and E_{r+1} = H(E_r, d_r), converging to a filtered graded object E_∞. Key tool for computing (co)homology of fibrations (Serre), group extensions (Lyndon–Hochschild–Serre), and derived…