First order deformations of schemes with normal crossing singularities
classification
🧮 math.AG
keywords
crossingdeformationsfirstnormalordersingularitiesdescribeformula
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We describe the sheaf T^1(X) of first order deformations of a reduced scheme with normal crossing singularities. In particular, we obtain a formula for T^1(X) in a suitable log resolution of X.
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