On non-commutative formal deformations of coherent sheaves on an algebraic variety
Yujiro Kawamata
University of Tokyo, Japan
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Abstract
We review the theory of non-commutative deformations of sheaves and describe a versal deformation by using an -algebra and the change of differentials of an injective resolution. We give some explicit non-trivial examples.
Cite this article
Yujiro Kawamata, On non-commutative formal deformations of coherent sheaves on an algebraic variety. EMS Surv. Math. Sci. 8 (2021), no. 1/2, pp. 237–263
DOI 10.4171/EMSS/49