Local vanishing conjecture for rational singularities

Let ZZ be a complex variety of dimension n2n\geq 2 with rational singularities, and let f ⁣:YZf\colon Y\to Z be a resolution of singularities whose reduced exceptional divisor EE has simple normal crossings. Local vanishing conjecture. One has

Rn1fΩY(logE)=0.R^{n-1}f_*\Omega_Y(\log E)=0.

This conjecture is proved when ZZ has isolated singularities and when ZZ is a toric variety; the general case remains open.

Sources & referencesView supporting material

Primary source

Mircea Mustata, Sebastian Olano and Mihnea Popa, “Local vanishing and Hodge filtration for rational singularities”, arXiv:1703.06704 (2018).

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