Computing Noncommutative Deformations

  • Eivind EriksenEmail author
Conference paper
Part of the Springer Proceedings in Mathematics & Statistics book series (PROMS, volume 85)


Let \(M\) be a right module over an associative \(k\)-algebra \(A\), where \(k\) is a field. We show how to compute noncommutative deformations of \(M\) in concrete terms, using an obstruction calculus based on free resolutions.


Tangent Space Order Approximation Free Resolution Residue Field Follow Diagram Commute 
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    Laudal, O.A.: Noncommutative deformations of modules, Homol. Homotopy Appl. 4(2), part 2, 357–396 (electronic), The Roos Festschrift volume, 2. MR1918517 (2003e:16005) (2002)Google Scholar

Copyright information

© Springer-Verlag Berlin Heidelberg 2014

Authors and Affiliations

  1. 1.Department of EconomicsBI Norwegian Business SchoolOsloNorway

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