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Hauptverfasser: Rastogi, Shruti, Vaish, Vaibhav
Format: Preprint
Veröffentlicht: 2025
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Online-Zugang:https://arxiv.org/abs/2512.01297
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author Rastogi, Shruti
Vaish, Vaibhav
author_facet Rastogi, Shruti
Vaish, Vaibhav
contents Motivated by the characterization of the intersection complex in terms of S$.$Morel's weight truncations, we introduced an object $EM^{F}_{X}$ in the setting of motivic sheaves for certain schemes $X$ and weight profiles $F$. In this article, we show that when $X$ is any threefold, this object satisfies Wildeshaus's characterization of a motivic intersection complex. In particular, we demonstrate that the construction is a suitably functorial Chow motive lifting the motivic intersection complex for an arbitrary threefold.
format Preprint
id arxiv_https___arxiv_org_abs_2512_01297
institution arXiv
publishDate 2025
record_format arxiv
spellingShingle Intersection complex of any threefold as a Chow motive
Rastogi, Shruti
Vaish, Vaibhav
Algebraic Geometry
Motivated by the characterization of the intersection complex in terms of S$.$Morel's weight truncations, we introduced an object $EM^{F}_{X}$ in the setting of motivic sheaves for certain schemes $X$ and weight profiles $F$. In this article, we show that when $X$ is any threefold, this object satisfies Wildeshaus's characterization of a motivic intersection complex. In particular, we demonstrate that the construction is a suitably functorial Chow motive lifting the motivic intersection complex for an arbitrary threefold.
title Intersection complex of any threefold as a Chow motive
topic Algebraic Geometry
url https://arxiv.org/abs/2512.01297