| Autor: |
Hüttemann, Thomas, Steers, Luke |
| Zdroj: |
Israel Journal of Mathematics; Sep2017, Vol. 221 Issue 2, p661-685, 25p |
| Abstrakt: |
Let L be a unital Z-graded ring, and let C be a bounded chain complex of finitely generated L-modules. We give a homological characterisation of when C is homotopy equivalent to a bounded complex of finitely generated projective L -modules, generalising known results for twisted Laurent polynomial rings. The crucial hypothesis is that L is a strongly graded ring. [ABSTRACT FROM AUTHOR] |
| Databáze: |
Complementary Index |
| Externí odkaz: |
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