Hodge and Frobenius colevels of algebraic varieties
Abstract
We provide new, improved lower bounds for the Hodge and Frobenius colevels of algebraic varieties (over C or over a finite field) in all cohomological degrees. These bounds are expressed in terms of the dimension of the variety and multi-degrees of its defining equations. Our results lead to an enhanced positive answer to a question raised by Esnault and the first author.
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