Constructs characteristic epsilon cycles for l-adic sheaves on varieties over finite or perfect fields that refine the characteristic cycle CC(F), satisfy Milnor-type formulas for local epsilon factors, and yield a product formula for global epsilon factors modulo roots of unity.
Produits orients, Travaux de Gabber sur l’u niformisation locale et la cohomologie tale des schmas quasi-excellents
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Characteristic Epsilon Cycles of $\ell$-adic Sheaves on Varieties
Constructs characteristic epsilon cycles for l-adic sheaves on varieties over finite or perfect fields that refine the characteristic cycle CC(F), satisfy Milnor-type formulas for local epsilon factors, and yield a product formula for global epsilon factors modulo roots of unity.