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Results tagged with deformation-theory
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user 110362
for questions about deformation theory, including deformations of manifolds, schemes, Galois representations, and von Neumann algebras.
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answer
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First cohomology of tangent sheaf of rational curve
Let $C$ be a reduced, connected, projective and purely one-dimensional scheme of finite type over a field $k$.
Suppose that $C$ is rational, i.e. that the normalisation of $C$ is a disjoint union of c …
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