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Negative homology of the cycle complex
PDF p. 13: CH3 identification and degree seven vanishing
Statement
For a field , a smooth finite-type -scheme , , and an integer , one has .
Facts & Assumptions
Given: , , and as in the statement.
Goal: Compute the indicated homology group.
The Bloch complex has zero chain group in every negative degree, and its homology is the kernel modulo the image. Bloch cycle complexes and higher Chow groups
Proof
Since , the chain group in degree is zero, so the kernel of its outgoing differential is zero.
The incoming image is a subgroup of this zero kernel; consequently their quotient is zero.
Depends on
Dependency tree · 3 levels
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