Specializing varieties and their cohomology from characteristic 0 to characteristic ?
Specializing varieties and their cohomology
from characteristic 0 to characteristic ?
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从特征 0 到特征 特殊化簇及其上同调 ?
DOI:
10.1090/pspum/097.2/01699
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发表时间:
2016
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通讯作者:
B. Bhatt
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作者:
B. Bhatt
We present a semicontinuity result, proven in recent joint work with Morrow and Scholze, relating the mod $p$ singular cohomology of a smooth projective complex algebraic variety X to the de Rham cohomology of a smooth characteristic $p$ specialization of X: the rank of the former is bounded above by that of the latter. The path to this result passes through $p$-adic Hodge theory and perfectoid geometry, so we survey the relevant aspects of those subjects as well.
DOI:
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发表时间:
2020
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作者:
Ildar Gaisin
通讯作者:
Ildar Gaisin
DOI:
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