Mathematics Subject Classification 1991

18Gxx Homological algebra, See also {13Dxx, 16Exx, 55Uxx} ( 0 Dok. )

• 18G05 Projectives and injectives, See also {13C10, 13C11, 16D40, 16D50} ( 0 Dok. )
• 18G10 Resolutions; derived functors, See also {18E25} ( 0 Dok. )
• 18G15 Ext and Tor, generalizations, Kunneth formula, See Also { 55U25} ( 0 Dok. )
• 18G20 Homological dimension, See also {13D05, 16E10} ( 0 Dok. )
• 18G25 Relative homological algebra, projective classes ( 0 Dok. )
• 18G30 Simplicial sets, simplicial objects (in a category), See also {55U10} ( 0 Dok. )
• 18G35 Chain complexes, See also {18E30, 55U15} ( 0 Dok. )
• 18G40 Spectral sequences, hypercohomology, See also {55Txx} ( 0 Dok. )
• 18G50 Nonabelian homological algebra ( 0 Dok. )
• 18G55 Nonabelian homotopical algebra ( 0 Dok. )
• 18G60 Other (co)homology theories (cyclic, dihedral, etc.), See also {19D55, 46L80, 58B30, 58G12} ( 0 Dok. )
• 18G99 None of the above but in this section ( 0 Dok. )