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Algebraic and topological K-theory, relations with topology, commutative algebra, and operator algebras
3
votes
Comparison map between de Rham cohomology of analytic and formal neighborhoods of singularities
For the case where x is an isolated singularity (which is probably a necessary hypothesis), we positively answered this question in arXiv:1211.1883, Theorem 4.45.
25
votes
1
answer
1k
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Comparison map between de Rham cohomology of analytic and formal neighborhoods of singularities
Suppose that $X$ is a complex algebraic (or complex analytic) variety, and $x \in X$ is a singular point. I am interested in two types of local differential forms at $x$: analytic and formal.
First, …