The motive of a variety with cellular resolution of singularities

Autorzy

Dane publikacji

  • DOI: 10.4064/fm240903-9-7

  • Tom 270

  • Zeszyt 3

  • Czasopismo: Fundamenta Mathematicae

  • Strony: 257-276

  • Data publikacji online: 27.08.2025

Liczba wyświetleń: 0

Liczba pobrań: 0

Abstrakt

A complex variety $X$ admits a cellular resolution of singularities if there exists a resolution of singularities $\widetilde X\to X$ such that its exceptional locus as well as $\widetilde X$ and the singular locus of $X$ admit a cellular decomposition. We give a concrete description of the motive with compact support of $X$ in terms of its Borel–Moore homology, under some mild conditions. We give many examples, including rational projective curves and toric varieties of dimension two and three.
The motive of a variety with cellular resolution of singularities - Fundamenta Mathematicae | Wydawnictwa - Instytut Matematyczny Polskiej Akademii Nauk