Secondary derived functors and the Adams spectral sequence |
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Authors: | Hans-Joachim Baues Mamuka Jibladze |
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Institution: | a Max-Planck-Institut für Mathematik, Vivatsgasse 7, D-53111 Bonn, Germany b Razmadze Mathematical Institute, M. Alexidze st. 1, Tbilisi 0193, Georgia |
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Abstract: | Classical homological algebra takes place in additive categories. In homotopy theory such additive categories arise as homotopy categories of “additive groupoid enriched categories”, in which a secondary analog of homological algebra can be performed. We introduce secondary chain complexes and secondary resolutions leading to the concept of secondary derived functors. As a main result we show that the E3-term of the Adams spectral sequence can be expressed as a secondary derived functor. This result can be used to compute the E3-term explicitly by an algorithm. |
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Keywords: | primary: 18G10 55T15 55S20 secondary: 55U99 18D05 18G25 18G40 |
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