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$$\ell $$-independence of the trace of local monodromy in a relative case (with an appendix by Qing Lu and Weizhe Zheng)
manuscripta mathematica ( IF 0.6 ) Pub Date : 2020-08-09 , DOI: 10.1007/s00229-020-01234-x
Hiroki Kato

For a family of varieties, we prove that the alternating sum of the traces of "local" monodromy acting on the $\ell$-adic etale cohomology groups of the generic fiber is an integer which is independent of $\ell$.

中文翻译:

$$\ell $$-在一个相关案例中局部单一性的踪迹的独立性(附有清卢和郑伟哲的附录)

对于一个变种族,我们证明了作用于通用纤维的 $\ell$-adic etale 上同群的“局部”单性迹的交替和是一个独立于 $\ell$ 的整数。
更新日期:2020-08-09
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