Derived ℓ-adic zeta functions
Derived ℓ-adic zeta functions
复制标题
导出的 α-adic zeta 函数
DOI:
10.1016/j.aim.2019.106760
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发表时间:
2019
影响因子:
1.7
通讯作者:
Zakharevich, Inna
中科院分区:
文献类型:
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作者:
Campbell, Jonathan;Wolfson, Jesse;Zakharevich, Inna
Let K 0 (V k) be the Grothendieck group of k-varieties. Campbell and Zakharevich have constructed a higher algebraic K-theory spectrum K (V k) such that π 0 K (V k)= K 0 (V k). In this paper we construct non-trivial classes in the higher homotopy groups of K (V k) when k is finite or a subfield of C. To do this we give a recipe for lifting motivic measures K 0 (V k)→ K 0 (E) to maps of spectra K (V k)→ K (E). We consider two special cases: the classical local zeta function, thought of as a homomorphism K 0 (V F q)→ K 0 (End (Q ℓ)), and the compactly-supported Euler characteristic, thought of as a homomorphism K 0 (V C)→ K 0 (Q). We use lifts of these motivic measures to prove that the Grothendieck spectrum of varieties contains nontrivial geometric information in its higher homotopy groups by showing that the map S→ K (V k) is nontrivial in higher dimensions when k is finite or a subfield of C, and, moreover, that when k is finite this map is not surjective on higher homotopy groups.
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1995
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