Ito's conjecture on the Fourier–Mukai and Serre spectra

Let T\mathcal T be a triangulated category with FMT\operatorname{FM} \mathcal T\neq\emptyset.

Ito's conjecture. The Fourier–Mukai spectrum of T\mathcal T should coincide with its Serre spectrum:

SpcFMT=SpcSerT.\operatorname{Spc}^\mathsf{FM} \mathcal T = \operatorname{Spc}^\mathsf{Ser} \mathcal T.

The conjecture proposes that the Fourier–Mukai locus can be identified purely categorically through the Serre spectrum, which would allow reconstruction of all Fourier–Mukai partners in the setting described for abelian varieties. Its resolution is not indicated in the source.

Sources & referencesView supporting material

Primary source

Daigo Ito and Hiroki Matsui, “A new proof of the Bondal-Orlov reconstruction using Matsui spectra”, arXiv:2405.16776 (2024).

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