Motivic and $$\ell $$-adic realizations of the category of singularities of the zero locus of a global section of a vector bundle
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AbstractWe study the motivic and $$\ell $$ ℓ -adic realizations of the dg category of singularities of the zero locus of a global section of a line bundle over a regular scheme. We will then use the formula obtained in this way together with a theorem due to D. Orlov and J. Burke–M. Walker to give a formula for the $$\ell $$ ℓ -adic realization of the dg category of singularities of the zero locus of a global section of a vector bundle. In particular, we obtain a formula for the $$\ell $$ ℓ -adic realization of the dg category of singularities of the special fiber of a scheme over a regular local ring of dimension n.
2019 ◽
Vol 19
(04)
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pp. 2050061
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pp. 145-176
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(07)
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pp. 2050138
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