Geisser's finite generation conjecture for motivic and Weil–étale cohomology

Let XX be smooth and proper over a finite field, and let HMi(X,Z(n))H^i_{\mathcal M}(X,\mathbb Z(n)), HFi(X,Z(n))H^i_F(X,\mathbb Z(n)), HKi1(X,Z(n))H^{i-1}_K(X,\mathbb Z(n)), and HWi(X,Z(n))H^i_W(X,\mathbb Z(n)) be the motivic, Weil–étale, and Kato cohomology groups occurring in the paper's exact diagram. Geisser's cohomological finite generation conjecture. The boldface groups in that diagram are finitely generated for all ii, nn, and XX. Finite generation of motivic cohomology generalizes Bass's conjecture, while finite generation of Weil–étale cohomology is equivalent to Tate's and Beilinson's conjectures. The general assertion remains open.

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Primary source

Thomas H Geisser, “Finite generation conjectures for cohomology over finite fields”, arXiv:1103.5544 (2011).

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