intersection cohomology

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- Tags: - #todo/untagged - Refs: - #todo/add-references - Links: - Hilbert scheme

intersection cohomology

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Intersection complex

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The $\operatorname{\mathcal{IC}}^{-i}$ are soft sheaves.

Taking hypercohomology computes the intersection cohomology: attachments/Pasted%20image%2020220422234138.png

These yield perverse sheaves: attachments/Pasted%20image%2020220422234157.png

In terms of local systems attachments/Pasted%20image%2020220422234221.png

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Misc properties and results

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A push-pull LES: attachments/Pasted%20image%2020220422234509.png

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Examples

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Links to this page

unresolved links output

local systems in Unsorted/intersection cohomology

soft sheaves in Unsorted/intersection cohomology

#todo/untagged #todo/add-references