2 problems

ℓ-independent Lefschetz standard conjecture in degree $i$. For $X$, $h$, and $i$ as above, there exists a codimension $i$ cycle…

Generalized Lefschetz standard conjecture. For every such $p,q,k$, the homomorphism $u^{q-p}_a$ is an isomorphism. The assertion is presented as a strengthened or generalized form…