The -adic Tate conjecture for crystalline cohomology
Let be a smooth projective variety over the finite field of characteristic , with . Let be the ring of -typical Witt vectors, let , and let . Let denote crystalline Frobenius. -adic Tate conjecture. The cycle class map
with values in the -vector subspace fixed by is surjective. This is the crystalline formulation of the Tate conjecture over finite fields and remains open in general.
References
Primary source
Satoshi Mochizuki, “Cycle maps on cohomology theories for dg-categories and their applications”, arXiv:2002.04373 (2020).
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